2025A LDT Schedule

(Most column headers include added "mouse over" information.)
January 2025 - LDT
DoW Date Moon days Dark Code Max moon Illum Time Range (MST) No moon/ night hrs Frac night Prog ID Principal Remote Instrument Requested Filters/Gratings TO Intended LMI Filter Setup Intended DeVeny Grating
Wed Jan-01 2.2 b D D D D 5% 5% 0% 0% 0% 17:53-18:24 18:24-00:28 00:28-03:30 03:30-05:01 05:01-06:32 0.0 / 0.0 5.2 / 6.1 3.0 / 3.0 1.5 / 1.5 1.0 / 1.5 0. 0.5 0.25 0.12 0.12 L04 L02 Y01 L16 L14 Thirouin Thirouin Brewer Polanski Zhang Remote Remote Remote Remote Remote LMI LMI EXPRES EXPRES EXPRES,LMI VR,r VR,g,r,i,z CN,RC,r BM JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Thu Jan-02 3.2 D D D D 11% 0% 0% 0% 18:25-21:27 21:27-03:30 03:30-05:01 05:01-06:32 1.0 / 3.0 6.0 / 6.0 1.5 / 1.5 1.0 / 1.5 0.25 0.5 0.13 0.13 E01 N11 Y01 L14 Engineering McClure Brewer Zhang Remote Remote Remote LMI DEVENY EXPRES EXPRES,LMI r DV1 (150g/mm) CN,RC,r BM DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV1 (150g/mm,5000A)
Fri Jan-03 4.2 D D D D 20% 0% 0% 0% 18:26-00:29 00:29-03:30 03:30-05:01 05:01-06:32 2.9 / 6.0 3.0 / 3.0 1.5 / 1.5 1.0 / 1.5 0.5 0.25 0.13 0.13 N07 L16 Y01 L14 Lee Polanski Brewer Zhang On-Site Remote Remote Remote DEVENY EXPRES EXPRES EXPRES,LMI DV1 CN,RC,r BM JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV1 (150g/mm,5000A)
Sat Jan-04 5.2 D 30% 18:27-06:33 7.3 / 12.1 1.0 L15 Polanski Remote EXPRES IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Sun Jan-05 6.2 g D D D D 41% 0% 0% 0% 0% 18:27-00:30 00:30-03:31 00:33-01:03 03:31-05:02 05:02-06:33 0.7 / 6.0 3.0 / 3.0 0.5 / 0.5 1.5 / 1.5 1.0 / 1.5 0.5 0.25 0.05 0.13 0.13 L12 X04 M07 Y01 L14 Kutra Rice Srinivasaragavan Brewer Zhang Remote Remote ToO Remote Remote EXPRES EXPRES DEVENY,LMI EXPRES EXPRES,LMI u,g,r,i,z,DV2 (300g/mm,4000A) CN,RC,r IN DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Mon Jan-06 7.2 g D 53% 53% 18:28-00:30 00:30-06:33 0.0 / 6.0 5.1 / 6.0 0.5 0.5 L18 L06 Sikora Moskovitz Remote Remote EXPRES DEVENY,LMI,NIHTS u,g,r,i,z,VR,DV1 (150g/mm) CS DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV1 (150g/mm,5000A)
Tue Jan-07 8.2 g 65% 18:29-06:33 4.0 / 12.1 1.0 E01 Engineering LMI r BM CS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Wed Jan-08 9.2 b b g D 75% 73% 76% 0% 18:30-00:31 18:35-19:05 00:31-03:32 03:32-06:33 0.0 / 6.0 0.0 / 0.5 0.2 / 3.0 2.5 / 3.0 0.5 0.05 0.25 0.25 E01 M07 Y01 L14 Engineering Srinivasaragavan Brewer Zhang ToO Remote Remote LMI DEVENY,LMI EXPRES EXPRES,LMI r u,g,r,i,z,DV2 (300g/mm,4000A) CN,RC,r BS JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Thu Jan-09 10.2 b b g D 84% 85% 85% 0% 18:30-00:31 00:31-03:32 03:32-05:03 05:03-06:33 0.0 / 6.0 0.0 / 3.0 0.6 / 1.5 1.0 / 1.5 0.5 0.25 0.13 0.12 E01 L10 L16 Y01 Engineering van Belle Polanski Brewer Remote Remote Remote LMI EXPRES EXPRES EXPRES r BS JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Fri Jan-10 11.2 b g 92% 93% 18:31-05:03 05:03-06:33 0.0 / 10.5 0.4 / 1.5 0.88 0.12 E01 Y01 Engineering Brewer Remote LMI EXPRES r IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Sat Jan-11 12.2 b b 97% 97% 18:32-03:33 03:33-06:33 0.0 / 9.0 0.0 / 3.0 0.75 0.25 E01 L16 Engineering Polanski Remote LMI EXPRES r IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Sun Jan-12 13.2 b b b 99% 100% 100% 18:33-00:33 00:33-03:33 03:33-06:33 0.0 / 6.0 0.0 / 3.0 0.0 / 3.0 0.5 0.25 0.25 L18 L10 Y01 Sikora van Belle Brewer Remote Remote Remote EXPRES EXPRES EXPRES IN DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Mon Jan-13 14.2 b b 100% 100% 18:34-05:02 05:02-06:32 0.0 / 10.5 0.0 / 1.5 0.87 0.13 E01 Y01 Engineering Brewer Remote LMI EXPRES r BM CS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Tue Jan-14 14.1 b b 98% 97% 18:35-03:33 03:33-06:32 0.0 / 9.0 0.0 / 3.0 0.75 0.25 E01 L16 Engineering Polanski Remote LMI EXPRES r CS DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Wed Jan-15 13.1 b b 94% 93% 18:36-03:33 03:33-06:32 0.6 / 8.9 0.0 / 3.0 0.75 0.25 E01 Y01 Engineering Brewer Remote LMI EXPRES r BM CS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Thu Jan-16 12.1 b g b 0% 89% 88% 18:05-18:36 18:36-00:34 00:34-06:32 0.0 / 0.0 1.6 / 6.0 0.0 / 6.0 0. 0.5 0.5 L04 L02 E01 Thirouin Thirouin Engineering Remote Remote LMI LMI LMI VR,r VR,g,r,i,z r BM DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Fri Jan-17 11.1 g b b 81% 81% 80% 18:37-00:35 00:35-05:03 05:03-06:32 2.6 / 6.0 0.0 / 4.5 0.0 / 1.5 0.5 0.37 0.12 L18 E01 Y01 Sikora Engineering Brewer Remote Remote EXPRES LMI EXPRES r IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Sat Jan-18 10.1 g 73% 18:38-06:31 3.5 / 11.9 1.0 L15 Polanski Remote EXPRES IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV2 (300g/mm,4000A)
Sun Jan-19 9.1 g g 64% 63% 18:39-03:33 03:33-06:31 4.4 / 8.9 0.0 / 3.0 0.75 0.25 L11 Y01 Kutra Brewer Remote Remote DEVENY EXPRES DV8 (OG570) IN JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC OPEN OPEN CO+ DV8 (831g/mm,8000A)
Mon Jan-20 8.1 D g 54% 54% 18:40-00:36 00:36-06:31 5.3 / 5.9 0.0 / 5.9 0.5 0.5 L05 L06 Moskovitz Moskovitz Remote Remote LMI DEVENY,LMI,NIHTS VR u,g,r,i,z,VR,DV1 (150g/mm) CS DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV1 (150g/mm,5000A)
Tue Jan-21 7.1 b D g 0% 45% 43% 18:10-18:41 18:41-06:30 06:30-07:01 0.0 / 0.0 6.3 / 11.8 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Remote Remote LMI LMI LMI VR,r VR,g,r,i,z VR,r BM CS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Wed Jan-22 6.1 D D 0% 35% 18:42-00:36 00:36-06:30 5.4 / 5.9 1.9 / 5.9 0.5 0.5 N01 N06 Thomas Clark Remote Remote LMI LMI VR g,r,i,z BM DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Thu Jan-23 5.1 D D g 0% 26% 25% 18:43-00:37 00:37-05:02 05:02-06:30 5.4 / 5.9 2.9 / 4.4 0.0 / 1.5 0.5 0.37 0.12 L18 E01 Y01 Sikora Engineering Brewer Remote Remote EXPRES LMI EXPRES r BM JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Fri Jan-24 4.1 D D D D 0% 0% 17% 17% 18:44-00:36 00:36-03:33 03:33-05:01 05:01-06:29 5.4 / 5.9 3.0 / 3.0 1.0 / 1.5 0.0 / 1.5 0.5 0.25 0.12 0.12 M01 L10 L16 Y01 Farnham van Belle Polanski Brewer Remote Remote Remote Remote LMI EXPRES EXPRES EXPRES VR BS JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Sat Jan-25 3.1 D 10% 18:44-06:29 10.3 / 11.8 1.0 L23 Wasserman Remote LMI VR IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Sun Jan-26 2.1 D D D 0% 0% 5% 18:45-00:37 00:37-05:00 05:00-06:28 5.4 / 5.9 4.4 / 4.4 1.0 / 1.5 0.5 0.37 0.13 L05 E01 Y01 Moskovitz Engineering Brewer Remote Remote LMI LMI EXPRES VR r IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Mon Jan-27 1.1 D D D 0% 0% 0% 18:46-00:37 00:37-05:00 05:00-06:28 5.3 / 5.8 4.4 / 4.4 1.0 / 1.5 0.5 0.37 0.13 L25 E01 Y01 Hanley Engineering Brewer Remote Remote EXPRES,NIHTS LMI EXPRES r CS DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Tue Jan-28 0.1 D D 0% 0% 18:47-03:32 03:32-06:27 8.2 / 8.8 2.4 / 2.9 0.75 0.25 L19 X04 Llama Rice Remote Remote EXPRES EXPRES CS DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Wed Jan-29 0.9 D D 0% 0% 18:48-00:37 00:37-06:27 5.3 / 5.8 5.3 / 5.8 0.5 0.5 N01 E01 Thomas Engineering Remote LMI LMI VR r BM CS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV1 (150g/mm,5000A)
Thu Jan-30 1.9 b D D 3% 3% 0% 18:19-18:49 18:49-06:26 06:26-06:56 0.0 / 0.0 10.6 / 11.6 0.0 / 0.0 0. 1.0 0. L04 L21 L04 Thirouin Grundy Thirouin Remote Remote Remote LMI LMI LMI VR,r VR,g,r,i,z VR,r BM JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Fri Jan-31 2.9 D D 8% 0% 18:50-00:37 00:37-06:25 4.1 / 5.8 5.3 / 5.8 0.5 0.5 M01 E01 Farnham Engineering Remote LMI LMI VR r IN JF OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)

February 2025 - LDT
DoW Date Moon days Dark Code Max moon Illum Time Range (MST) No moon/ night hrs Frac night Prog ID Principal Remote Instrument Requested Filters/Gratings TO Intended LMI Filter Setup Intended DeVeny Grating
Sat Feb-01 3.9 D D 16% 0% 18:51-00:38 00:38-06:25 3.0 / 5.8 5.3 / 5.8 0.5 0.5 L25 L06 Hanley Moskovitz Remote Remote EXPRES,NIHTS DEVENY,LMI,NIHTS u,g,r,i,z,VR,DV1 (150g/mm) IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV1 (150g/mm,5000A)
Sun Feb-02 4.9 D D 26% 0% 18:52-00:38 00:38-06:24 1.8 / 5.8 5.3 / 5.8 0.5 0.5 L25 E01 Hanley Engineering Remote EXPRES,NIHTS LMI r IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV1 (150g/mm,5000A)
Mon Feb-03 5.9 g D 37% 0% 18:53-00:38 00:38-06:23 0.7 / 5.8 5.3 / 5.8 0.5 0.5 L12 E01 Kutra Engineering Remote EXPRES LMI r CS DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV1 (150g/mm,5000A)
Tue Feb-04 6.9 g D 49% 0% 18:54-03:31 03:31-06:23 2.4 / 8.6 2.4 / 2.9 0.75 0.25 L18 Y01 Sikora Brewer Remote Remote EXPRES EXPRES BM CS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Wed Feb-05 7.9 g 61% 18:54-06:22 3.5 / 11.5 1.0 L07 Moskovitz Remote LMI g,r,i,z,VR BM DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Thu Feb-06 8.9 g 72% 18:55-06:21 2.4 / 11.4 1.0 L07 Moskovitz Remote LMI g,r,i,z,VR BM HG OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Fri Feb-07 9.9 g 82% 18:56-06:20 1.3 / 11.4 1.0 X04 Rice Remote EXPRES IN VL OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Sat Feb-08 10.9 b b g 88% 89% 90% 18:57-00:39 00:39-03:29 03:29-06:19 0.0 / 5.7 0.0 / 2.8 0.4 / 2.8 0.5 0.25 0.25 L12 L10 L16 Kutra van Belle Polanski Remote Remote Remote EXPRES EXPRES EXPRES IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN DV2 (300g/mm,4000A)
Sun Feb-09 11.9 b b b 94% 95% 95% 18:58-21:48 21:48-03:29 03:29-06:19 0.0 / 2.8 0.0 / 5.7 0.0 / 2.8 0.25 0.5 0.25 E01 N10 L16 Engineering Emery Polanski Remote Remote LMI DEVENY EXPRES r DV1 (150g/mm) IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV1 (150g/mm,5000A)
Mon Feb-10 12.9 b b b 98% 98% 99% 18:59-00:39 00:39-03:28 03:28-06:18 0.0 / 5.7 0.0 / 2.8 0.0 / 2.8 0.5 0.25 0.25 L25 X04 Y01 Hanley Rice Brewer Remote Remote Remote EXPRES,NIHTS EXPRES EXPRES CS HG OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV2 (300g/mm,4000A)
Tue Feb-11 13.9 b b b 100% 100% 100% 19:00-00:38 00:38-03:28 03:28-06:17 0.0 / 5.6 0.0 / 2.8 0.0 / 2.8 0.5 0.25 0.25 L25 E01 Y01 Hanley Engineering Brewer Remote Remote EXPRES,NIHTS LMI EXPRES r CS RG OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV2 (300g/mm,4000A)
Wed Feb-12 14.8 b b b 100% 99% 99% 19:01-00:39 00:39-03:27 03:27-06:16 0.0 / 5.6 0.0 / 2.8 0.0 / 2.8 0.5 0.25 0.25 L25 E01 Y01 Hanley Engineering Brewer Remote Remote EXPRES,NIHTS LMI EXPRES r BM CS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV2 (300g/mm,4000A)
Thu Feb-13 13.8 b b b 97% 97% 97% 19:02-00:38 00:38-03:27 03:27-06:15 0.0 / 5.6 0.0 / 2.8 0.0 / 2.8 0.5 0.25 0.25 L20 X04 Y01 Massey Rice Brewer Remote Remote Remote EXPRES EXPRES EXPRES BM DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV2 (300g/mm,4000A)
Fri Feb-14 12.8 g b b 93% 93% 92% 19:02-00:39 00:39-03:26 03:26-06:14 0.9 / 5.6 0.0 / 2.8 0.0 / 2.8 0.5 0.25 0.25 L12 E01 L16 Kutra Engineering Polanski Remote Remote EXPRES LMI EXPRES r BS DH OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV2 (300g/mm,4000A)
Sat Feb-15 11.8 g b b b 87% 87% 86% 86% 19:03-00:38 00:38-03:25 03:25-06:13 05:43-06:13 1.9 / 5.6 0.0 / 2.8 0.0 / 2.8 0.0 / 0.5 0.5 0.25 0.25 0.05 L18 L10 L16 M06 Sikora van Belle Polanski Ye Remote Remote Remote ToO EXPRES EXPRES EXPRES DEVENY,LMI r,DV2 IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV2 (300g/mm,4000A)
Sun Feb-16 10.8 g 80% 19:04-06:12 2.8 / 11.1 1.0 B01 Dong Remote DEVENY DV6 (Clear) IN BS OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV6 (600g/mm,4900A)
Mon Feb-17 9.8 D g 0% 72% 19:05-21:51 21:51-06:11 2.3 / 2.8 1.4 / 8.3 0.25 0.75 Y01 E01 Brewer Engineering Remote EXPRES LMI r CS VL OPEN DARK CN RC VR u g r i z OPEN OPEN OPEN OPEN OPEN OPEN UC C2 OPEN C3 DV2 (300g/mm,4000A)
Tue Feb-18 8.8 D g g g g 0% 63% 62% 61% 61% 19:06-21:52 21:52-03:24 03:24-04:47 04:47-06:10 05:55-06:13 2.3 / 2.8 2.4 / 5.5 0.0 / 1.4 0.0 / 1.4 0.0 / 0.3 0.25 0.5 0.12 0.12 0.05 E01 N10 L16 Y01 M06 Engineering Emery Polanski Brewer Ye Remote Remote Remote ToO LMI DEVENY EXPRES EXPRES DEVENY,LMI r DV1 (150g/mm) r,DV2 BM CS OPEN DARK CN RC OPEN OPEN OPEN OPEN OPEN OPEN OPEN u g r i z UC C2 VR C3 DV1 (150g/mm,5000A)
Wed Feb-19 7.8 D D g 0% 53% 52% 19:07-21:53 21:53-03:23 03:23-06:09 2.3 / 2.8 3.4 / 5.5 0.0 / 2.8 0.25 0.5 0.25 Y01 N11 E01 Brewer McClure Engineering Remote Remote EXPRES DEVENY LMI DV1 (150g/mm) r BM RG OPEN DARK CN RC OPEN OPEN OPEN OPEN OPEN OPEN OPEN u g r i z UC C2 VR C3 DV1 (150g/mm,5000A)
Thu Feb-20 6.8 D 43% 19:08-06:08 6.7 / 11.0 1.0 B01 Dong Remote DEVENY DV6 (Clear) BM HG OPEN DARK CN RC OPEN OPEN OPEN OPEN OPEN OPEN OPEN u g r i z UC C2 VR C3 DV6 (600g/mm,4900A)
Fri Feb-21 5.8 b D g 0% 33% 32% 18:39-19:08 19:08-06:07 06:07-06:36 0.0 / 0.0 7.7 / 11.0 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Remote Remote LMI LMI LMI VR,r VR,g,r,i,z VR,r IN DH OPEN DARK CN RC OPEN OPEN OPEN OPEN OPEN OPEN OPEN u g r i z UC C2 VR C3 DV2 (300g/mm,4000A)
Sat Feb-22 4.8 D 24% 19:09-06:05 8.6 / 10.9 1.0 L23 Wasserman Remote LMI VR IN BS OPEN DARK CN RC OPEN OPEN OPEN OPEN OPEN OPEN OPEN u g r i z UC C2 VR C3 DV2 (300g/mm,4000A)
Sun Feb-23 3.8 D 15% 19:10-06:04 9.4 / 10.9 1.0 T01 Rosenwasser Remote DEVENY DV1 (GG420) IN BS OPEN DARK CN RC OPEN OPEN OPEN OPEN OPEN OPEN OPEN u g r i z UC C2 VR C3 DV1 (150g/mm,5000A)
Mon Feb-24 2.8 D 8% 19:11-06:03 9.9 / 10.9 1.0 T01 Rosenwasser Remote DEVENY DV1 (GG420) CS DH OPEN DARK CN RC OPEN OPEN OPEN OPEN OPEN OPEN OPEN u g r i z UC C2 VR C3 DV1 (150g/mm,5000A)
Tue Feb-25 1.8 D 0% 19:12-06:02 9.9 / 10.8 1.0 L15 Polanski Remote EXPRES BM CS OPEN DARK CN RC BC I R V B OH OPEN u g r i z UC C2 VR C3 DV2 (300g/mm,4000A)
Wed Feb-26 0.8 D D 0% 0% 19:13-03:19 03:19-06:01 7.6 / 8.1 2.2 / 2.7 0.75 0.25 L22 Y01 Kareta Brewer Remote Remote DEVENY,LMI,NIHTS EXPRES g,r,i,z,CN,VR,DV1 BM RG OPEN DARK CN RC BC I R V B OH OPEN u g r i z UC C2 VR C3 DV1 (150g/mm,5000A)
Thu Feb-27 0.2 D D 0% 0% 19:14-00:37 00:37-06:00 4.9 / 5.4 4.9 / 5.4 0.5 0.5 M02 M05 Stein Ye Remote Remote DEVENY,LMI LMI,NIHTS u,g,r,i,z,DV2 (300g/mm,4000A) g,r,i,z,VR,OH,CN,BC,RC,C2,C3,UC BM HG OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Feb-28 1.2 D D D D 1% 0% 0% 0% 19:14-00:36 00:36-01:56 01:56-03:17 03:17-05:58 4.9 / 5.4 1.3 / 1.3 1.4 / 1.4 2.2 / 2.7 0.5 0.12 0.13 0.25 N08 L16 Y01 B03 Strauss Polanski Brewer Ye Remote Remote Remote Remote LMI EXPRES EXPRES EXPRES VR IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)

March 2025 - LDT
DoW Date Moon days Dark Code Max moon Illum Time Range (MST) No moon/ night hrs Frac night Prog ID Principal Remote Instrument Requested Filters/Gratings TO Intended LMI Filter Setup Intended DeVeny Grating
Sat Mar-01 2.2 D D 6% 0% 19:15-00:37 00:37-05:57 4.1 / 5.4 4.9 / 5.3 0.5 0.5 N04 E01 Farrell Engineering On-Site LMI LMI VR,V,R,I,g,r,i r IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sun Mar-02 3.2 D D D 13% 0% 0% 19:16-00:35 00:35-03:16 03:16-05:56 2.9 / 5.3 2.7 / 2.7 2.2 / 2.7 0.5 0.25 0.25 L22 E01 Y01 Kareta Engineering Brewer Remote Remote DEVENY,LMI,NIHTS LMI EXPRES g,r,i,z,CN,VR,DV1 r IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Mon Mar-03 4.2 D D 23% 0% 19:17-00:36 00:36-05:55 1.6 / 5.3 4.8 / 5.3 0.5 0.5 L22 L06 Kareta Moskovitz Remote Remote DEVENY,LMI,NIHTS DEVENY,LMI,NIHTS g,r,i,z,CN,VR,DV1 u,g,r,i,z,VR,DV1 (150g/mm) CS VL OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Tue Mar-04 5.2 b D D 32% 34% 0% 18:49-19:18 19:18-05:53 05:53-06:23 0.0 / 0.0 5.2 / 10.6 0.0 / 0.0 0. 1.0 0. L04 L21 L04 Thirouin Grundy Thirouin Remote Remote Remote LMI LMI LMI VR,r VR,g,r,i,z VR,r CS HG OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Mar-05 6.2 b g D 43% 45% 0% 18:49-19:19 19:19-05:52 05:52-06:21 0.0 / 0.0 4.0 / 10.6 0.0 / 0.0 0. 1.0 0. L04 L21 L04 Thirouin Grundy Thirouin Remote Remote Remote LMI LMI LMI VR,r VR,g,r,i,z VR,r BM RG OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Mar-06 7.2 b g D 54% 57% 0% 18:50-19:19 19:19-05:51 05:51-06:20 0.0 / 0.0 2.9 / 10.5 0.0 / 0.0 0. 1.0 0. L04 L21 L04 Thirouin Grundy Thirouin Remote Remote Remote LMI LMI LMI VR,r VR,g,r,i,z VR,r BM HG OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Mar-07 8.2 g g D D 67% 68% 68% 0% 19:20-00:35 00:35-03:12 03:12-04:30 04:30-05:49 0.0 / 5.2 0.0 / 2.6 1.1 / 1.3 0.8 / 1.3 0.5 0.25 0.12 0.13 N03 X04 Y01 L16 Madden-Watson Rice Brewer Polanski On-Site Remote Remote Remote DEVENY EXPRES EXPRES EXPRES DV1 IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sat Mar-08 9.2 b g 76% 78% 19:21-00:35 00:35-05:48 0.0 / 5.2 1.1 / 5.2 0.5 0.5 E01 L09 Engineering van Belle Remote QWSSI QWSSI IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Mar-09 10.2 b b 85% 86% 19:22-00:34 00:34-05:47 0.0 / 5.2 0.4 / 5.2 0.5 0.5 E01 M03 Engineering Mirizio Remote QWSSI QWSSI IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Mar-10 11.2 b b b 91% 92% 92% 19:23-00:34 00:34-03:09 03:09-05:45 0.0 / 5.2 0.0 / 2.6 0.0 / 2.6 0.5 0.25 0.25 L20 Y01 B03 Massey Brewer Ye Remote Remote Remote EXPRES EXPRES EXPRES CS VL OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Mar-11 12.2 b b 96% 97% 19:24-21:59 21:59-05:44 0.0 / 2.6 0.0 / 7.8 0.25 0.75 Y01 L18 Brewer Sikora Remote Remote EXPRES EXPRES CS RG OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Mar-12 13.2 b b b 99% 99% 99% 19:24-00:34 00:34-03:08 03:08-05:43 0.0 / 5.2 0.0 / 2.6 0.0 / 2.6 0.5 0.25 0.25 E01 X04 L16 Engineering Rice Polanski Remote Remote LMI EXPRES EXPRES r BM CS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Mar-13 14.2 b b b 100% 100% 100% 19:25-00:33 00:33-03:07 03:07-05:41 0.0 / 5.1 0.0 / 2.6 0.0 / 2.6 0.5 0.25 0.25 E01 L10 Y01 Engineering van Belle Brewer Remote Remote LMI EXPRES EXPRES r BM DH OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Mar-14 14.1 b 99% 19:26-05:40 0.0 / 10.2 1.0 X04 Rice Remote EXPRES IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat Mar-15 13.1 b b b 97% 96% 96% 19:27-00:32 00:32-03:06 03:06-05:39 0.2 / 5.1 0.0 / 2.6 0.0 / 2.5 0.5 0.25 0.25 X05 E01 Y01 Ben-Ami Engineering Brewer On-Site Remote DEVENY LMI EXPRES DV2 r IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Mar-16 12.1 g b 92% 92% 19:28-00:33 00:33-05:37 1.2 / 5.1 0.0 / 5.1 0.5 0.5 L09 M03 van Belle Mirizio Remote Remote QWSSI QWSSI IN BS OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Mar-17 11.1 g b b 86% 86% 85% 19:29-00:32 00:32-03:04 03:04-05:36 2.1 / 5.0 0.0 / 2.5 0.0 / 2.5 0.5 0.25 0.25 L09 Y01 L16 van Belle Brewer Polanski Remote Requested Remote Requested Remote Requested QWSSI EXPRES EXPRES OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Mar-18 10.1 D b 79% 78% 19:29-00:32 00:32-05:34 3.1 / 5.0 0.0 / 5.0 0.5 0.5 L09 L18 van Belle Sikora Remote Requested Remote Requested QWSSI EXPRES OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Mar-19 9.1 D g g 70% 70% 69% 19:30-00:32 00:32-03:02 03:02-05:33 4.1 / 5.0 0.0 / 2.5 0.0 / 2.5 0.5 0.25 0.25 X05 E01 Y01 Ben-Ami Engineering Brewer On-Site Remote Requested DEVENY LMI EXPRES DV2 r OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Mar-20 8.1 b g g 0% 61% 59% 19:02-19:31 19:31-05:31 05:31-06:01 0.0 / 0.0 5.1 / 10.0 0.0 / 0.0 0. 1.0 0. L04 L21 L04 Thirouin Grundy Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN OPEN I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Mar-21 7.1 D D g 0% 0% 50% 19:32-22:02 22:02-00:31 00:31-05:30 2.0 / 2.5 2.5 / 2.5 1.5 / 5.0 0.25 0.25 0.5 L14 Y01 M03 Zhang Brewer Mirizio Remote Requested Remote Requested Remote Requested EXPRES,LMI,DEVENY EXPRES QWSSI OH,NH,CN,BC,RC,r,DV1 OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sat Mar-22 6.1 D D g 0% 40% 40% 19:33-22:02 22:02-03:00 03:00-05:29 2.0 / 2.5 4.9 / 5.0 0.0 / 2.5 0.25 0.5 0.25 L14 E01 Y01 Zhang Engineering Brewer Remote Requested Remote Requested EXPRES,LMI,DEVENY LMI EXPRES OH,NH,CN,BC,RC,r,DV1 r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sun Mar-23 5.1 D D D 0% 0% 30% 19:34-22:02 22:02-02:59 02:59-05:27 2.0 / 2.5 5.0 / 5.0 0.7 / 2.5 0.25 0.5 0.25 L14 E01 Y01 Zhang Engineering Brewer Remote Requested Remote Requested EXPRES,LMI,DEVENY LMI EXPRES OH,NH,CN,BC,RC,r,DV1 r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Mon Mar-24 4.1 D D D D 0% 0% 0% 20% 19:34-22:02 22:02-23:16 23:16-00:30 00:30-05:26 2.0 / 2.5 1.2 / 1.2 1.2 / 1.2 3.8 / 4.9 0.25 0.12 0.12 0.5 L14 L17 Y01 L06 Zhang Polanski Brewer Moskovitz Remote Requested Remote Requested Remote Requested Remote Requested EXPRES,LMI,DEVENY EXPRES EXPRES DEVENY,LMI,NIHTS OH,NH,CN,BC,RC,r,DV1 u,g,r,i,z,VR,DV1 (150g/mm) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Tue Mar-25 3.1 D 12% 19:35-05:24 8.8 / 9.8 1.0 T01 Rosenwasser Remote Requested DEVENY DV1 (GG420) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Wed Mar-26 2.1 b D D 0% 0% 0% 19:07-19:36 19:36-05:23 05:23-05:52 0.0 / 0.0 8.8 / 9.8 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Mar-27 1.1 D 0% 19:37-05:21 8.8 / 9.7 1.0 B02 Ould Rouis On-Site DEVENY DV2 (300g/mm,4000AA) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Mar-28 0.1 D 0% 19:38-05:20 8.7 / 9.7 1.0 B02 Ould Rouis On-Site DEVENY DV2 (300g/mm,4000AA) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat Mar-29 0.9 D 0% 19:39-05:18 8.7 / 9.7 1.0 L07 Moskovitz Remote Requested LMI g,r,i,z,VR OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Mar-30 1.9 D 4% 19:40-05:17 8.2 / 9.6 1.0 L07 Moskovitz Remote Requested LMI g,r,i,z,VR OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Mar-31 2.9 D 11% 19:40-05:15 6.9 / 9.6 1.0 L23 Wasserman Remote Requested LMI VR OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)

April 2025 - LDT
DoW Date Moon days Dark Code Max moon Illum Time Range (MST) No moon/ night hrs Frac night Prog ID Principal Remote Instrument Requested Filters/Gratings TO Intended LMI Filter Setup Intended DeVeny Grating
Tue Apr-01 3.9 b D D 18% 19% 0% 19:11-19:41 19:41-05:14 05:14-05:44 0.0 / 0.0 5.6 / 9.6 0.0 / 0.0 0. 1.0 0. L04 L03 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Apr-02 4.9 g D 30% 0% 19:42-00:27 00:27-05:13 0.1 / 4.8 4.3 / 4.8 0.5 0.5 N02 M02 Thomas Stein Remote Requested Remote Requested LMI DEVENY,LMI VR,g,r,i,z u,g,r,i,z,DV2 (300g/mm,4000A) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Apr-03 5.9 b D D 39% 41% 0% 19:13-19:43 19:43-05:11 05:11-05:41 0.0 / 0.0 3.3 / 9.5 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Apr-04 6.9 g 53% 19:44-05:10 2.5 / 9.4 1.0 E01 Engineering LMI r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat Apr-05 7.9 g g D 62% 63% 63% 19:45-00:27 00:27-02:47 02:47-05:08 0.0 / 4.7 0.0 / 2.3 1.7 / 2.4 0.5 0.25 0.25 E01 L16 B03 Engineering Polanski Ye Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Apr-06 8.9 b b D 72% 73% 73% 19:46-00:26 00:26-02:47 02:47-05:07 0.0 / 4.7 0.0 / 2.4 1.1 / 2.3 0.5 0.25 0.25 L24 L24 Y01 Levine Levine Brewer Remote Requested Remote Requested Remote Requested GWAVES,POETS,LMI LMI EXPRES VR,r,890nm VR,r,890nm OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Apr-07 9.9 b 82% 19:47-05:05 0.6 / 9.3 1.0 L24 Levine Remote Requested GWAVES,POETS,LMI VR,r,890nm OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Apr-08 10.9 b b g 88% 88% 89% 19:48-00:25 00:25-02:45 02:45-05:04 0.0 / 4.6 0.0 / 2.3 0.1 / 2.3 0.5 0.25 0.25 E01 Y01 B03 Engineering Brewer Ye Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Apr-09 11.9 b b b 93% 93% 94% 19:48-22:06 22:06-00:26 00:26-05:02 0.0 / 2.3 0.0 / 2.3 0.0 / 4.6 0.25 0.25 0.5 L10 L16 L18 van Belle Polanski Sikora Remote Requested Remote Requested Remote Requested EXPRES EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Apr-10 12.9 b b b 97% 98% 98% 19:49-00:25 00:25-02:43 02:43-05:01 0.0 / 4.6 0.0 / 2.3 0.0 / 2.3 0.5 0.25 0.25 E01 X04 Y01 Engineering Rice Brewer Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Apr-11 13.9 b b b 99% 100% 100% 19:50-22:08 22:08-00:25 00:25-05:00 0.0 / 2.3 0.0 / 2.3 0.0 / 4.6 0.25 0.25 0.5 L17 Y01 E01 Polanski Brewer Engineering Remote Requested Remote Requested EXPRES EXPRES LMI r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat Apr-12 14.4 b b 100% 100% 19:51-02:41 02:41-04:58 0.0 / 6.8 0.0 / 2.3 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Apr-13 13.4 b b b 99% 98% 98% 19:52-22:08 22:08-00:24 00:24-04:57 0.0 / 2.3 0.0 / 2.3 0.0 / 4.5 0.25 0.25 0.5 X04 Y01 L18 Rice Brewer Sikora Remote Requested Remote Requested Remote Requested EXPRES EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Apr-14 12.4 b b 95% 95% 19:53-02:39 02:39-04:55 0.6 / 6.8 0.0 / 2.3 0.75 0.25 E01 L16 Engineering Polanski Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Apr-15 11.4 g b 91% 90% 19:54-02:39 02:39-04:54 1.5 / 6.8 0.0 / 2.2 0.75 0.25 E01 L16 Engineering Polanski Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Apr-16 10.4 g b b 84% 84% 83% 19:55-00:24 00:24-02:38 02:38-04:52 2.5 / 4.5 0.0 / 2.2 0.0 / 2.2 0.5 0.25 0.25 E01 L16 Y01 Engineering Polanski Brewer Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Apr-17 9.4 g b 76% 75% 19:56-02:37 02:37-04:51 3.5 / 6.7 0.0 / 2.2 0.75 0.25 L24 Y01 Levine Brewer Remote Requested Remote Requested LMI EXPRES VR,r,890nm OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Apr-18 8.4 D g g 0% 67% 66% 19:57-22:10 22:10-02:37 02:37-04:50 1.7 / 2.2 2.6 / 4.5 0.0 / 2.2 0.25 0.5 0.25 Y01 N11 E01 Brewer McClure Engineering Remote Requested Remote Requested EXPRES DEVENY LMI DV1 (150g/mm) r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sat Apr-19 7.4 b D g 0% 57% 56% 19:26-19:58 19:58-04:48 04:48-05:20 0.0 / 0.0 5.1 / 8.8 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Apr-20 6.4 D g 46% 46% 19:59-02:35 02:35-04:47 5.7 / 6.6 0.0 / 2.2 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Apr-21 5.4 D D g 0% 0% 35% 20:00-00:23 00:23-02:34 02:34-04:46 3.9 / 4.4 2.2 / 2.2 0.3 / 2.2 0.5 0.25 0.25 M05 E01 Y01 Ye Engineering Brewer Remote Requested Remote Requested LMI,NIHTS LMI EXPRES g,r,i,z,VR,OH,CN,BC,RC,C2,C3,UC r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Apr-22 4.4 D 25% 20:01-04:44 6.8 / 8.7 1.0 L23 Wasserman Remote Requested LMI VR OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Apr-23 3.4 D D D 0% 0% 16% 20:02-02:33 02:33-03:38 03:38-04:43 6.0 / 6.5 1.1 / 1.1 0.2 / 1.1 0.75 0.12 0.12 M04 L16 Y01 Savel Polanski Brewer Remote Requested Remote Requested Remote Requested EXPRES EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Apr-24 2.4 D D 0% 8% 20:02-00:22 00:22-04:42 3.8 / 4.3 3.8 / 4.3 0.5 0.5 N03 L06 Madden-Watson Moskovitz Remote Requested Remote Requested DEVENY DEVENY,LMI,NIHTS DV1 u,g,r,i,z,VR,DV1 (150g/mm) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Fri Apr-25 1.4 D 0% 20:03-04:40 7.5 / 8.6 1.0 T01 Rosenwasser Remote Requested DEVENY DV1 (GG420) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sat Apr-26 0.4 D D 0% 0% 20:04-02:30 02:30-04:39 5.9 / 6.4 1.6 / 2.1 0.75 0.25 L06 Y01 Moskovitz Brewer Remote Requested Remote Requested DEVENY,LMI,NIHTS EXPRES u,g,r,i,z,VR,DV1 (150g/mm) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sun Apr-27 0.6 D 0% 20:05-04:38 7.4 / 8.6 1.0 B02 Ould Rouis Remote Requested DEVENY DV2 (300g/mm,4000AA) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Apr-28 1.6 D D 3% 0% 20:06-00:21 00:21-04:36 3.7 / 4.2 3.7 / 4.2 0.5 0.5 N05 E01 Trujillo Engineering Remote Requested LMI LMI VR,V,R,I,g,r,i r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Apr-29 2.6 D D 8% 0% 20:07-00:22 00:22-04:35 2.4 / 4.2 3.7 / 4.2 0.5 0.5 N05 N06 Trujillo Clark Remote Requested Remote Requested LMI LMI VR,V,R,I,g,r,i g,r,i,z OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Apr-30 3.6 b D D 15% 16% 0% 19:36-20:08 20:08-04:34 04:34-05:06 0.0 / 0.0 4.9 / 8.4 0.0 / 0.0 0. 1.0 0. L04 L03 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)

May 2025 - LDT
DoW Date Moon days Dark Code Max moon Illum Time Range (MST) No moon/ night hrs Frac night Prog ID Principal Remote Instrument Requested Filters/Gratings TO Intended LMI Filter Setup Intended DeVeny Grating
Thu May-01 4.6 D D 26% 0% 20:09-00:22 00:22-04:33 0.3 / 4.2 3.6 / 4.2 0.5 0.5 L24 L13 Levine Richey-Yowell Remote Requested Remote Requested LMI EXPRES VR,r,890nm OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri May-02 5.6 g D 35% 36% 20:10-22:16 22:16-04:32 0.0 / 2.1 3.1 / 6.3 0.25 0.75 Y01 L13 Brewer Richey-Yowell Remote Requested Remote Requested EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat May-03 6.6 g D 47% 47% 20:11-00:21 00:21-04:30 0.0 / 4.2 2.4 / 4.2 0.5 0.5 L06 L13 Moskovitz Richey-Yowell Remote Requested Remote Requested DEVENY,LMI,NIHTS EXPRES u,g,r,i,z,VR,DV1 (150g/mm) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sun May-04 7.6 g D 57% 58% 20:12-00:21 00:21-04:29 0.0 / 4.2 1.9 / 4.1 0.5 0.5 L24 L13 Levine Richey-Yowell Remote Requested Remote Requested LMI EXPRES VR,r,890nm OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon May-05 8.6 g g 67% 68% 20:13-00:21 00:21-04:28 0.0 / 4.1 1.4 / 4.1 0.5 0.5 E01 L13 Engineering Richey-Yowell Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue May-06 9.6 b g 75% 76% 20:14-22:17 22:17-04:27 0.0 / 2.0 1.0 / 6.2 0.25 0.75 Y01 L13 Brewer Richey-Yowell Remote Requested Remote Requested EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed May-07 10.6 b D 84% 0% 20:15-03:25 03:25-04:26 0.1 / 7.2 0.5 / 1.0 0.88 0.12 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu May-08 11.6 b b b b 89% 90% 90% 90% 20:16-21:17 21:17-22:18 22:18-00:21 00:21-04:25 0.0 / 1.0 0.0 / 1.0 0.0 / 2.0 0.2 / 4.1 0.12 0.12 0.25 0.5 Y01 L16 X04 L18 Brewer Polanski Rice Sikora Remote Requested Remote Requested Remote Requested Remote Requested EXPRES EXPRES EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri May-09 12.6 b g 95% 95% 20:17-03:23 03:23-04:24 0.0 / 7.1 0.0 / 1.0 0.87 0.13 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat May-10 13.6 b b 98% 98% 20:18-03:22 03:22-04:23 0.0 / 7.1 0.0 / 1.0 0.87 0.13 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun May-11 14.6 b b b 100% 100% 100% 20:19-22:20 22:20-00:20 00:20-04:22 0.0 / 2.0 0.0 / 2.0 0.0 / 4.0 0.25 0.25 0.5 Y01 L17 L18 Brewer Polanski Sikora Remote Requested Remote Requested Remote Requested EXPRES EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon May-12 13.9 b b b b 100% 99% 99% 99% 20:20-00:20 00:20-02:21 02:21-03:21 03:21-04:21 0.0 / 4.0 0.0 / 2.0 0.0 / 1.0 0.0 / 1.0 0.5 0.25 0.12 0.12 E01 L10 L16 Y01 Engineering van Belle Polanski Brewer Remote Requested Remote Requested Remote Requested LMI EXPRES EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue May-13 12.9 b b b 98% 97% 97% 20:21-01:20 01:20-03:20 03:20-04:20 0.0 / 5.0 0.0 / 2.0 0.0 / 1.0 0.62 0.25 0.13 E01 X05 Y01 Engineering Ben-Ami Brewer Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed May-14 11.9 g b b 94% 93% 93% 20:22-01:20 01:20-03:19 03:19-04:19 0.9 / 5.0 0.0 / 2.0 0.0 / 1.0 0.62 0.25 0.13 E01 X05 Y01 Engineering Ben-Ami Brewer Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu May-15 10.9 g b b 88% 88% 87% 20:23-01:20 01:20-03:19 03:19-04:18 1.8 / 5.0 0.0 / 2.0 0.0 / 1.0 0.63 0.25 0.12 E01 X05 Y01 Engineering Ben-Ami Brewer Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri May-16 9.9 g b 81% 80% 20:24-03:18 03:18-04:17 2.5 / 6.9 0.0 / 1.0 0.88 0.12 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat May-17 8.9 D b b 72% 72% 71% 20:25-01:19 01:19-03:17 03:17-04:16 3.2 / 4.9 0.0 / 2.0 0.0 / 1.0 0.62 0.25 0.13 E01 X05 Y01 Engineering Ben-Ami Brewer Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun May-18 7.9 D g 0% 62% 20:26-00:21 00:21-04:15 3.3 / 3.9 0.5 / 3.9 0.5 0.5 M02 E01 Stein Engineering Remote Requested DEVENY,LMI LMI u,g,r,i,z,DV2 (300g/mm,4000A) r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon May-19 6.9 b D g 0% 51% 50% 19:52-20:27 20:27-04:14 04:14-04:49 0.0 / 0.0 4.3 / 7.8 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue May-20 5.9 D D g g 0% 40% 40% 39% 20:28-00:20 00:20-02:18 02:18-03:16 03:16-04:14 3.2 / 3.9 1.5 / 2.0 0.0 / 1.0 0.0 / 1.0 0.5 0.25 0.12 0.12 L06 L10 Y01 L16 Moskovitz van Belle Brewer Polanski Remote Requested Remote Requested Remote Requested Remote Requested DEVENY,LMI,NIHTS EXPRES EXPRES EXPRES u,g,r,i,z,VR,DV1 (150g/mm) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Wed May-21 4.9 D g g 0% 29% 29% 20:29-02:17 02:17-03:15 03:15-04:13 5.2 / 5.8 0.0 / 1.0 0.0 / 1.0 0.75 0.12 0.12 E01 L16 Y01 Engineering Polanski Brewer Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu May-22 3.9 D D 19% 19% 20:29-03:14 03:14-04:12 5.7 / 6.8 0.0 / 1.0 0.87 0.13 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri May-23 2.9 D D 0% 10% 20:30-02:16 02:16-04:11 5.1 / 5.8 1.0 / 1.9 0.75 0.25 M04 X04 Savel Rice Remote Requested Remote Requested EXPRES EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat May-24 1.9 D D 0% 4% 20:31-03:13 03:13-04:11 6.1 / 6.7 0.3 / 1.0 0.87 0.13 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun May-25 0.9 D 0% 20:32-04:10 6.4 / 7.6 1.0 T01 Rosenwasser Remote Requested DEVENY DV1 (GG420) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Mon May-26 0.1 D 0% 20:33-04:10 6.3 / 7.6 1.0 L23 Wasserman Remote Requested LMI VR OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue May-27 1.1 D 2% 20:34-04:09 6.3 / 7.6 1.0 E01 Engineering LMI r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed May-28 2.1 b D D 6% 6% 0% 19:59-20:35 20:35-04:08 04:08-04:44 0.0 / 0.0 5.7 / 7.5 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu May-29 3.1 D D 13% 0% 20:35-02:15 02:15-04:08 3.5 / 5.7 1.2 / 1.9 0.75 0.25 E01 X04 Engineering Rice Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri May-30 4.1 D D 21% 0% 20:36-00:22 00:22-04:07 0.9 / 3.8 3.1 / 3.8 0.5 0.5 E01 L06 Engineering Moskovitz Remote Requested LMI DEVENY,LMI,NIHTS r u,g,r,i,z,VR,DV1 (150g/mm) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sat May-31 5.1 D 31% 20:37-04:07 3.5 / 7.5 1.0 B02 Ould Rouis Remote Requested DEVENY DV2 (300g/mm,4000AA) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)

June 2025 - LDT
DoW Date Moon days Dark Code Max moon Illum Time Range (MST) No moon/ night hrs Frac night Prog ID Principal Remote Instrument Requested Filters/Gratings TO Intended LMI Filter Setup Intended DeVeny Grating
Sun Jun-01 6.1 D 41% 20:38-04:07 2.9 / 7.5 1.0 L19 Llama Remote Requested EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Jun-02 7.1 g 51% 20:38-04:06 2.5 / 7.5 1.0 L15 Polanski Remote Requested EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Jun-03 8.1 g D 61% 0% 20:39-02:14 02:14-04:06 0.9 / 5.6 1.2 / 1.9 0.75 0.25 E01 X02 Engineering Roettenbacher Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Jun-04 9.1 g D 70% 0% 20:40-02:14 02:14-04:05 0.5 / 5.6 1.2 / 1.9 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Jun-05 10.1 b D 79% 0% 20:40-02:14 02:14-04:05 0.1 / 5.6 1.2 / 1.9 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Jun-06 11.1 g 86% 20:41-04:05 0.9 / 7.4 1.0 L19 Llama Remote Requested EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat Jun-07 12.1 b g 92% 92% 20:42-02:14 02:14-04:05 0.0 / 5.5 0.4 / 1.9 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Jun-08 13.1 b g 96% 96% 20:42-02:14 02:14-04:04 0.0 / 5.5 0.0 / 1.8 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Jun-09 14.1 b b 99% 99% 20:43-02:14 02:14-04:04 0.0 / 5.5 0.0 / 1.8 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Jun-10 14.1 b b 100% 100% 20:43-02:14 02:14-04:04 0.0 / 5.5 0.0 / 1.8 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Jun-11 13.1 b b 99% 99% 20:44-02:14 02:14-04:04 0.0 / 5.5 0.0 / 1.8 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Jun-12 12.1 b b 96% 96% 20:44-02:36 02:36-04:04 0.1 / 5.9 0.0 / 1.5 0.8 0.2 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Jun-13 11.1 g b 91% 91% 20:45-02:36 02:36-04:04 0.8 / 5.8 0.0 / 1.5 0.8 0.2 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat Jun-14 10.1 g b 84% 84% 20:45-02:36 02:36-04:04 1.4 / 5.8 0.0 / 1.5 0.8 0.2 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Jun-15 9.1 g b 76% 75% 20:46-02:36 02:36-04:04 1.9 / 5.8 0.0 / 1.5 0.8 0.2 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Jun-16 8.1 g 66% 20:46-04:04 2.5 / 7.3 1.0 L15 Polanski Remote Requested EXPRES OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Jun-17 7.1 D D g 0% 55% 55% 20:46-22:36 22:36-00:26 00:26-04:04 1.1 / 1.8 1.7 / 1.8 0.0 / 3.6 0.25 0.25 0.5 E01 Y01 L11 Engineering Brewer Kutra Remote Requested Remote Requested LMI EXPRES DEVENY r DV8 (OG570) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV8 (831g/mm,8000A)
Wed Jun-18 6.1 b D g 0% 44% 42% 20:10-20:47 20:47-04:04 04:04-04:41 0.0 / 0.0 3.3 / 7.3 0.0 / 0.0 0. 1.0 0. L04 L01 L04 Thirouin Thirouin Thirouin Remote Requested Remote Requested Remote Requested LMI LMI LMI VR,r VR,g,r,i,z VR,r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Jun-19 5.1 D D g g 0% 32% 32% 32% 20:47-00:26 00:26-01:20 01:20-03:09 03:09-04:04 3.0 / 3.6 0.8 / 0.9 0.0 / 1.8 0.0 / 0.9 0.5 0.12 0.25 0.13 L06 L16 X02 Y01 Moskovitz Polanski Roettenbacher Brewer Remote Requested Remote Requested Remote Requested Remote Requested DEVENY,LMI,NIHTS EXPRES EXPRES EXPRES u,g,r,i,z,VR,DV1 (150g/mm) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Fri Jun-20 4.1 D D D 0% 0% 22% 20:47-23:31 23:31-00:26 00:26-04:05 2.0 / 2.7 0.9 / 0.9 1.4 / 3.6 0.37 0.13 0.5 E01 Y01 L26 Engineering Brewer Hanley Remote Requested Remote Requested LMI EXPRES EXPRES,NIHTS r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sat Jun-21 3.1 D D D 0% 0% 13% 20:47-23:31 23:31-00:27 00:27-04:05 2.0 / 2.7 0.9 / 0.9 2.0 / 3.6 0.37 0.13 0.5 E01 Y01 L26 Engineering Brewer Hanley Remote Requested Remote Requested LMI EXPRES EXPRES,NIHTS r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Sun Jun-22 2.1 D D D 0% 0% 6% 20:48-23:32 23:32-00:27 00:27-04:05 2.1 / 2.7 0.9 / 0.9 2.7 / 3.6 0.38 0.13 0.5 E01 Y01 L18 Engineering Brewer Sikora Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Jun-23 1.1 D D 0% 0% 20:48-02:16 02:16-04:05 4.8 / 5.5 1.2 / 1.8 0.75 0.25 E01 Y01 Engineering Brewer Remote Requested LMI EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Tue Jun-24 0.1 D D 0% 0% 20:48-00:27 00:27-04:06 3.0 / 3.6 3.0 / 3.6 0.5 0.5 L23 L26 Wasserman Hanley Remote Requested Remote Requested LMI EXPRES,NIHTS VR OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Wed Jun-25 0.9 D D D 0% 0% 0% 20:48-22:38 22:38-00:27 00:27-04:06 1.2 / 1.8 1.8 / 1.8 3.0 / 3.6 0.25 0.25 0.5 E01 L16 L18 Engineering Polanski Sikora Remote Requested Remote Requested LMI EXPRES EXPRES r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Thu Jun-26 1.9 D D D 4% 0% 0% 20:48-23:33 23:33-00:27 00:27-04:07 2.1 / 2.8 0.9 / 0.9 3.0 / 3.7 0.38 0.12 0.5 E01 Y01 L26 Engineering Brewer Hanley Remote Requested Remote Requested LMI EXPRES EXPRES,NIHTS r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Fri Jun-27 2.9 D D D 9% 0% 0% 20:48-00:27 00:27-02:17 02:17-04:07 2.5 / 3.6 1.8 / 1.8 1.2 / 1.8 0.5 0.25 0.25 E01 Y01 L11 Engineering Brewer Kutra Remote Requested Remote Requested LMI EXPRES DEVENY r DV8 (OG570) OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV8 (831g/mm,8000A)
Sat Jun-28 3.9 D D 17% 0% 20:48-00:27 00:27-04:07 1.9 / 3.6 3.0 / 3.7 0.5 0.5 L06 N04 Moskovitz Farrell Remote Requested Remote Requested DEVENY,LMI,NIHTS LMI u,g,r,i,z,VR,DV1 (150g/mm) VR,V,R,I,g,r,i OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV1 (150g/mm,5000A)
Sun Jun-29 4.9 D D D 25% 0% 0% 20:48-23:33 23:33-00:27 00:27-04:08 0.6 / 2.8 0.9 / 0.9 3.0 / 3.7 0.38 0.12 0.5 E01 Y01 L26 Engineering Brewer Hanley Remote Requested Remote Requested LMI EXPRES EXPRES,NIHTS r OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)
Mon Jun-30 5.9 g g D D 34% 35% 0% 0% 20:48-21:43 21:43-23:33 23:33-00:28 00:28-04:08 0.0 / 0.9 0.2 / 1.8 0.9 / 0.9 3.0 / 3.7 0.12 0.25 0.12 0.5 L17 X04 Y01 L26 Polanski Rice Brewer Hanley Remote Requested Remote Requested Remote Requested Remote Requested EXPRES EXPRES EXPRES EXPRES,NIHTS OPEN DARK OPEN OPEN NH I R V B OH OPEN u g r i z CN RC VR BC DV2 (300g/mm,4000A)

Note: Half-night handover times are calculated for local astronomical midnight.

Note: Nominal night duration is from Nautical Twilight (12deg) to Nautical Twilight.

Program ID codes: L=Lowell, B=BU, G=UT/KASI(IGRINS), M=UMd/GSFC, N=NAU, NL=Joint NAU/Lowell, T=UToledo, X=External, Y=Yale, E=Engineering

Dark code (D=dark, g=gray, b=bright) methodology: At a time resolution of 1 minute, calculate the fractional illumination of the moon for the allocated time (ignoring time during astronomical/nautical/civil twilights & setting to zero for when the moon is below the horizon). Determine the dark code from the mean value of this metric where D=dark for <={0}, g=gray for <={1}, and b=bright for >0.7.

Remote: If entry is "Remote Requested", then remote observing request is pending and not yet approved. If entry is "Remote" then remote request is approved. If entry is blank, or is "On-Site", then observers are expected to be on-site at LDT.

Bolded red items are Time Critical Observations, during which ToO interrupts will not be accepted.

Italicized gray items are engineering optional interrupts (EOI) for brief testing. Principal will be notified before the start of the prior night if any of this time will be used for a quick engineering test.

2025A Approved Target of Opportunity (ToO) Programs
Program ID Principal ToO Type Time Allocated (hours) Time Remaining (hours) Requested Instrument & Filters/Grating
B03 Ye Slow 6.00 6.00 EXPRES,DEVENY: DV2
L04 Thirouin Slow 2.00 2.00 LMI: VR,r
L08 Moskovitz Slow 6.00 6.00 DEVENY,LMI,NIHTS: u,g,r,i,z,VR,DV1 (150g/mm) (preferred) or DV2 (300g/mm)
L14 Zhang Slow 8.00 8.00 EXPRES,LMI,DEVENY: CN,C3,C2,BC,RC,g,r,i,VR
M05 Ye Slow 3.00 3.00 LMI,NIHTS,DEVENY: OH,CN,BC,RC,DV2 (300g/mm)
M06 Ye Slow 3.00 2.00 DEVENY,LMI: r,DV2
M07 Srinivasaragavan Slow 6.00 5.00 DEVENY,LMI: u,g,r,i,z,DV2 (300g/mm,4000A)
M08 Cenko Rapid 2.00 2.00 DEVENY,LMI: u,g,r,i,z,DV2 (300g/mm,4000A)
M08 Cenko Rapid 4.00 4.00 DEVENY,LMI: u,g,r,i,z
Totals 40.00 38.00

On nights when the DeVeny is not in use, it should be left in the following configuration in order to be ready for ToO programs:

	Grating: DV2 (300 lines / mm, 4000A blaze)
	Grating tilt: 22.28
	Collimator Focus: 11.25 mm
	Slit Width: 1.5" (0.23 mm)
	Rear Filter Wheel: Clear
	Front Filter Wheel: Clear

Targets of Opportunity (ToO) requests: 1) will only be accepted for approved ToO programs. 2) will not be accepted during any Time Critical Observation (TCO). 3) May be requested during engineering time (programs designated ENN), but will be accepted, delayed, or rejected at the discretion of the Principal or Lead Engineer for that engineering time. Click here to link to LDT policies regarding ToO programs.

Operations Staff (Position) email at lowell.edu:
    Timothy Ellsworth-Bowers (SuppAst) TB; tbowers@
    Jose Fernandez (LDTNtOpsMgr) JF; jfernandez@
    Robert Gallagher (Safety) RG; rgallagher@
    Hayden Green (Safety) HG; hgreen@
    Daniel Hiel (Safety) DH; dhiel@
    Kyler Kuehn (DirTech) KK; kkuehn@
    Vladimir Lee (Safety) VL; vlee@
    Stephen Levine (Ast/TelSci/DirEd) SL; sel@
    Beck Maier (TelOp) BM; emaier@
    Ishara Nisley (TelOp) IN; inisley@
    Observer (Observer) OBS;
    Ben Shafransky (TelOp) BS; bshafransky@
    Cecilia Siqueiros (TelOp) CS; csiqueiros@
    Visitor (Visitor) VST;

Summary of dates on which approved programs are scheduled (note some dates are partial nights):
B01 Dong               2025-02-16, 2025-02-20
B02 Ould Rouis         2025-03-27, 2025-03-28, 2025-04-27, 2025-05-31
B03 Ye                 2025-02-28, 2025-03-10, 2025-04-05, 2025-04-08
L01 Thirouin           2025-01-21, 2025-02-21, 2025-03-26, 2025-04-03, 2025-04-19, 2025-05-19
                       2025-05-28, 2025-06-18
L02 Thirouin           2025-01-01, 2025-01-16
L03 Thirouin           2025-04-01, 2025-04-30
L04 Thirouin           2025-01-01, 2025-01-16, 2025-01-21, 2025-01-30, 2025-02-21, 2025-03-04
                       2025-03-05, 2025-03-06, 2025-03-20, 2025-03-26, 2025-04-01, 2025-04-03
                       2025-04-19, 2025-04-30, 2025-05-19, 2025-05-28, 2025-06-18
L05 Moskovitz          2025-01-20, 2025-01-26
L06 Moskovitz          2025-01-06, 2025-01-20, 2025-02-01, 2025-03-03, 2025-03-24, 2025-04-24
                       2025-04-26, 2025-05-03, 2025-05-20, 2025-05-30, 2025-06-19, 2025-06-28
L07 Moskovitz          2025-02-05, 2025-02-06, 2025-03-29, 2025-03-30
L08 Moskovitz          
L09 van Belle          2025-03-08, 2025-03-16, 2025-03-17, 2025-03-18
L10 van Belle          2025-01-09, 2025-01-12, 2025-01-24, 2025-02-08, 2025-02-15, 2025-03-13
                       2025-04-09, 2025-05-12, 2025-05-20
L11 Kutra              2025-01-19, 2025-06-17, 2025-06-27
L12 Kutra              2025-01-05, 2025-02-03, 2025-02-08, 2025-02-14
L13 Richey-Yowell      2025-05-01, 2025-05-02, 2025-05-03, 2025-05-04, 2025-05-05, 2025-05-06
L14 Zhang              2025-01-01, 2025-01-02, 2025-01-03, 2025-01-05, 2025-01-08, 2025-03-21
                       2025-03-22, 2025-03-23, 2025-03-24
L15 Polanski           2025-01-04, 2025-01-18, 2025-02-25, 2025-06-02, 2025-06-16
L16 Polanski           2025-01-01, 2025-01-03, 2025-01-09, 2025-01-11, 2025-01-14, 2025-01-24
                       2025-02-08, 2025-02-09, 2025-02-14, 2025-02-15, 2025-02-18, 2025-02-28
                       2025-03-07, 2025-03-12, 2025-03-17, 2025-04-05, 2025-04-09, 2025-04-14
                       2025-04-15, 2025-04-16, 2025-04-23, 2025-05-08, 2025-05-12, 2025-05-20
                       2025-05-21, 2025-06-19, 2025-06-25
L17 Polanski           2025-03-24, 2025-04-11, 2025-05-11, 2025-06-30
L18 Sikora             2025-01-06, 2025-01-12, 2025-01-17, 2025-01-23, 2025-02-04, 2025-02-15
                       2025-03-11, 2025-03-18, 2025-04-09, 2025-04-13, 2025-05-08, 2025-05-11
                       2025-06-22, 2025-06-25
L19 Llama              2025-01-28, 2025-06-01, 2025-06-06
L20 Massey             2025-02-13, 2025-03-10
L21 Grundy             2025-01-30, 2025-03-04, 2025-03-05, 2025-03-06, 2025-03-20
L22 Kareta             2025-02-26, 2025-03-02, 2025-03-03
L23 Wasserman          2025-01-25, 2025-02-22, 2025-03-31, 2025-04-22, 2025-05-26, 2025-06-24
L24 Levine             2025-04-06, 2025-04-07, 2025-04-17, 2025-05-01, 2025-05-04
L25 Hanley             2025-01-27, 2025-02-01, 2025-02-02, 2025-02-10, 2025-02-11, 2025-02-12
L26 Hanley             2025-06-20, 2025-06-21, 2025-06-24, 2025-06-26, 2025-06-29, 2025-06-30
M01 Farnham            2025-01-24, 2025-01-31
M02 Stein              2025-02-27, 2025-04-02, 2025-05-18
M03 Mirizio            2025-03-09, 2025-03-16, 2025-03-21
M04 Savel              2025-04-23, 2025-05-23
M05 Ye                 2025-02-27, 2025-04-21
M06 Ye                 2025-02-15, 2025-02-18
M07 Srinivasaragavan   2025-01-05, 2025-01-08
M08 Cenko              
N01 Thomas             2025-01-22, 2025-01-29
N02 Thomas             2025-04-02
N03 Madden-Watson      2025-03-07, 2025-04-24
N04 Farrell            2025-03-01, 2025-06-28
N05 Trujillo           2025-04-28, 2025-04-29
N06 Clark              2025-01-22, 2025-04-29
N07 Lee                2025-01-03
N08 Strauss            2025-02-28
N10 Emery              2025-02-09, 2025-02-18
N11 McClure            2025-01-02, 2025-02-19, 2025-04-18
T01 Rosenwasser        2025-02-23, 2025-02-24, 2025-03-25, 2025-04-25, 2025-05-25
X02 Roettenbacher      2025-06-03, 2025-06-19
X04 Rice               2025-01-05, 2025-01-28, 2025-02-07, 2025-02-10, 2025-02-13, 2025-03-07
                       2025-03-12, 2025-03-14, 2025-04-10, 2025-04-13, 2025-05-08, 2025-05-23
                       2025-05-29, 2025-06-30
X05 Ben-Ami            2025-03-15, 2025-03-19, 2025-05-13, 2025-05-14, 2025-05-15, 2025-05-17
Y01 Brewer             2025-01-01, 2025-01-02, 2025-01-03, 2025-01-05, 2025-01-08, 2025-01-09
                       2025-01-10, 2025-01-12, 2025-01-13, 2025-01-15, 2025-01-17, 2025-01-19
                       2025-01-23, 2025-01-24, 2025-01-26, 2025-01-27, 2025-02-04, 2025-02-10
                       2025-02-11, 2025-02-12, 2025-02-13, 2025-02-17, 2025-02-18, 2025-02-19
                       2025-02-26, 2025-02-28, 2025-03-02, 2025-03-07, 2025-03-10, 2025-03-11
                       2025-03-13, 2025-03-15, 2025-03-17, 2025-03-19, 2025-03-21, 2025-03-22
                       2025-03-23, 2025-03-24, 2025-04-06, 2025-04-08, 2025-04-10, 2025-04-11
                       2025-04-12, 2025-04-13, 2025-04-16, 2025-04-17, 2025-04-18, 2025-04-20
                       2025-04-21, 2025-04-23, 2025-04-26, 2025-05-02, 2025-05-06, 2025-05-07
                       2025-05-08, 2025-05-09, 2025-05-10, 2025-05-11, 2025-05-12, 2025-05-13
                       2025-05-14, 2025-05-15, 2025-05-16, 2025-05-17, 2025-05-20, 2025-05-21
                       2025-05-22, 2025-05-24, 2025-06-04, 2025-06-05, 2025-06-07, 2025-06-08
                       2025-06-09, 2025-06-10, 2025-06-11, 2025-06-12, 2025-06-13, 2025-06-14
                       2025-06-15, 2025-06-17, 2025-06-19, 2025-06-20, 2025-06-21, 2025-06-22
                       2025-06-23, 2025-06-26, 2025-06-27, 2025-06-29, 2025-06-30
E01 Engineering        2025-01-02, 2025-01-07, 2025-01-08, 2025-01-09, 2025-01-10, 2025-01-11
                       2025-01-13, 2025-01-14, 2025-01-15, 2025-01-16, 2025-01-17, 2025-01-23
                       2025-01-26, 2025-01-27, 2025-01-29, 2025-01-31, 2025-02-02, 2025-02-03
                       2025-02-09, 2025-02-11, 2025-02-12, 2025-02-14, 2025-02-17, 2025-02-18
                       2025-02-19, 2025-03-01, 2025-03-02, 2025-03-08, 2025-03-09, 2025-03-12
                       2025-03-13, 2025-03-15, 2025-03-19, 2025-03-22, 2025-03-23, 2025-04-04
                       2025-04-05, 2025-04-08, 2025-04-10, 2025-04-11, 2025-04-12, 2025-04-14
                       2025-04-15, 2025-04-16, 2025-04-18, 2025-04-20, 2025-04-21, 2025-04-28
                       2025-05-05, 2025-05-07, 2025-05-09, 2025-05-10, 2025-05-12, 2025-05-13
                       2025-05-14, 2025-05-15, 2025-05-16, 2025-05-17, 2025-05-18, 2025-05-21
                       2025-05-22, 2025-05-24, 2025-05-27, 2025-05-29, 2025-05-30, 2025-06-03
                       2025-06-04, 2025-06-05, 2025-06-07, 2025-06-08, 2025-06-09, 2025-06-10
                       2025-06-11, 2025-06-12, 2025-06-13, 2025-06-14, 2025-06-15, 2025-06-17
                       2025-06-20, 2025-06-21, 2025-06-22, 2025-06-23, 2025-06-25, 2025-06-26
                       2025-06-27, 2025-06-29

ID  PI Name            Title
B01 Dong               Exploring Stellar Coronal Mass Ejections through LDT Spectroscopy
B02 Ould Rouis         The search for most massive exoplanet host star
B03 Ye                 High Resolution Spectroscopy of Bright Cometary Comae
L01 Thirouin           The fraction of contact binaries in the trans-Neptunian belt
L02 Thirouin           Surface colors of Centaurs
L03 Thirouin           Lightcurves of dwarf planets in the trans-Neptunian belt
L04 Thirouin           Twilight Asteroids: Target of Opportunity and Survey
L05 Moskovitz          Observations of Asteroid Didymos in Support of ESA's Hera Mission
L06 Moskovitz          The Mission Accessible Near-Earth Object Survey (MANOS)
L07 Moskovitz          Characterization of exceptionally young asteroid pairs
L08 Moskovitz          NEO Rapid Response: Close Encounters of the Asteroid Kind
L09 van Belle          Bowling for Turkeys: Searching for Triple Systems in Disk Wide Binaries
L10 van Belle          The Forgotten Planets of Multi-Star Systems
L11 Kutra              The Fates of Planetary Systems: Circumstellar Disks Around White Dwarfs
L12 Kutra              From Day to Night: Probing the Atmosphere of an Ultra-Hot Jupiter Across Changing Orbital Phases
L13 Richey-Yowell      Global Asteroseismic Properties of a Sun-like Star Emerging from a Grand Minimum
L14 Zhang              Comets near the Sun
L15 Polanski           Spin-Orbit Measurements of 3 Hot-Jupiters in Binary Systems
L16 Polanski           The Jovian Architectures Survey (JAS): An EXPRES Route to Understanding ExoSolar Systems
L17 Polanski           Planet Formation on a Shoestring: Precise Mass Measurement of a Sub-Neptune in a Compact Binary System
L18 Sikora             Phase Resolved Atmospheric Characterization of Ultra Hot Jupiters With EXPRES
L19 Llama              Exploring the origins of sub-Neptune planets by measuring stellar obliquities
L20 Massey             The Lowell EXPRES Naked-eye Atlas of Spectra (LENAS)
L21 Grundy             Mutual events in the trans-Neptunian belt
L22 Kareta             Outstanding Questions about the Quadrantids
L23 Wasserman          Astrometric Measures of Centaurs and Kuiper Belt Objects
L24 Levine             Occultations of Bodies in the Outer Solar System
L25 Hanley             Salts on Europa's Surface
L26 Hanley             Constraining the vertical abundances of haze and methane on Titan
M01 Farnham            Observations of Asteroid Didymos in Support of ESA's Hera Mission
M02 Stein              Classically Scheduled Imaging & Spectroscopy of Transients and Their Host Galaxies
M03 Mirizio            A Speckle-tacular study of triplicity in main-belt and hungarian asteroids
M04 Savel              Measuring an exoplanet's magnetic field through its variable circulation
M05 Ye                 Observations of Comets and Asteroids
M06 Ye                 Observations of near-Sun comets
M07 Srinivasaragavan   ToO Observations of Relativistic Transients From the Zwicky Transient Facility
M08 Cenko              ToO Observations of Gravitational Wave Counterparts in the Fourth LIGO-Virgo-KAGRA Observing Run
N01 Thomas             Observations of Asteroid Didymos in Support of ESA's Hera Mission
N02 Thomas             Rotational Analysis of (3552) Don Quixote
N03 Madden-Watson      Visible Spectroscopy of Low-Perihelion Objects
N04 Farrell            Confirmation and Characterization of Unusual Active Bodies
N05 Trujillo           Recovery of Extreme trans-Neptunian Objects in Search of a Distant Massive Planet
N06 Clark              Followup of Active Asteroids Found With the Solar System Notification Alert Processing System (SNAPS)
N07 Lee                A Taxonomic Determination of Targets for a Future Mission to the Asteroid Belt
N08 Strauss            Follow-up lightcurve observations of an eclipsing binary asteroid
N10 Emery              Visible spectra of Trojan asteroids
N11 McClure            Visible spectra of Eulalia family members
T01 Rosenwasser        Redshift survey of candidate polar ring galaxies
X02 Roettenbacher      U. Mich EPRV program
X04 Rice               Stellar Obliquities in Sub-Saturn Exoplanet Systems
X05 Ben-Ami            Weizmann Institute Time
Y01 Brewer             Yale Exoplanet Survey
E01 Engineering        Night Engineering
New users needing training:
2025-01-01: L16 Polanski: Llama will train Polanski.
2025-01-04: L15 Polanski: Llama will train Polanski
2025-01-05: L12 Kutra: Kutra is a new LDT and EXPRES user.
2025-01-05: X04 Rice: M. Rice new LDT and EXPRES user. Will coordinate with EXPRES team for training
2025-01-19: L11 Kutra: Kutra is a new LDT and DeVeny observer. Richey-Yowell will train.
2025-01-22: N06 Clark: Clark is a new LDT user.
2025-02-16: B01 Dong: Dong and students new users - to be assisted by Ye.
2025-02-27: M02 Stein: PI Stein is a new user.  Will be trained by Co-Is.
2025-03-07: N03 Madden-Watson: Madden-Watson is a new user.  Thomas will observe with Aidan
2025-03-15: X05 Ben-Ami: Weizmann observers are new LDT users.

Latest as of 2025-02-27T21:40:19.730364 UTC