APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Saturday March 28, 2026 (SJD 61128) ---- Observing Team ---- Conner Scoresby ---- Observing Plan ---- Sat 28 Mar 2026 61128 0.85 02:14 02:29 11:46 07:51 17:10 --- bright until 11:05 ( 9.5 h, w/ 1.0 h for 8 deg design), then dark ( 0.7 h) ---- Observing Summary ---- We opened at sunset to partly cloudy skies and enjoyed great seeing despite the clouds. However, around 04:30Z the dust spiked rapidly and remained elevated for the rest of the night. Completed 8 designs. Notes: 1. M1 Axial A is reporting red '0.0000' in the MCP GUI. 2. Dust collected ~7000 dust-hours ---- Automatic Summary ---- Time Field-Design-Conf DesignType BOSS/APOGEE Seeing Overhead Complete? Comment 01:45:56 102966-770813-25806 bright_time_no_apogee_skies 1x730/1xAB 1.5" 0:00 Done 02:04:37 103399-771678-25807 bright_time 1x730/1xAB 1.1" 6:08 Done 02:22:55 103410-771700-25808 bright_time 1x730/1xAB 1.2" 6:02 Done 02:42:30 103374-771627-25809 bright_time 2x730/2xAB 1.4" 7:26 Done 03:14:42 102968-770815-25810 bright_time_no_apogee_skies 1x730/1xAB 1.5" 6:35 Done 03:33:34 102950-770800-25811 bright_time_no_apogee_skies 1x730/1xAB 1.3" 6:29 Done 03:52:08 102926-770782-25812 bright_time_no_apogee_skies 1x730/1xAB 1.3" 6:38 Done 04:11:20 102995-770842-25813 bright_time_no_apogee_skies 1x730/1xAB 1.3" 6:41 Done 8-8 completed-observed ---- Engineering Issues ---- M1 Axial A is reporting red '0.0000' in the MCP GUI. ---- Observing Log ---- Afternoon disk space check: /dev/sdb1 2.0T 496G 1.6T 25% /home /dev/sdd1 22T 15T 6.7T 69% /data 22:26Z Tested actors, all systems live. APOGEE evening calibrations started. Mirror numbers taken, most are within spec. M1 Axial A is reporting 0.0000. 22:25:29 BOSS expNum=399111, expTime= 0.0s 22:27:39 BOSS expNum=399112, expTime= 20.0s 22:29:53 BOSS expNum=399113, expTime= 4.0s 22:30:33 BOSS expNum=399114, expTime= 4.0s 22:31:16 sp1.motor.move= -1599, -1600, -1599 22:31:16 Hartmann collimate output sp1: offset: r= -1979 (Out of focus); b= 3.8 (In Focus) sp1: pred. move: spAverageMove= -1600 sp1: pred. resid: r= -379, b= -1.2, txt= OK, spTemp = 4.4 No focus ring adjustments 22:31:46 BOSS expNum=399115, expTime= 4.0s 22:33:42 BOSS expNum=399116, expTime= 25.0s 22:37Z FPS powered on, array is folded. Loaded a manual folded configuration. **************************************************************** 22:37:12 Field-Design-Configuration: -999--999-25805 **************************************************************** 22:38:06 CmdStarted: FVC loop 22:38:34 CmdDone: FVC loop FVC loop results: fvc_rms= 37.12 fvc_deltarms= 32.49 fvc_filename=/data/fcam/61128/fimg-fvc1n-0001.fits fvc_perc_90= 54.70 fvc_percent_reached= 1.60 fvc iterations= 1 22:40Z FVC bias taken, confirmed no bright spots. 22:50Z GFA calibrations taken. 00:45Z Started ventilation. Finished APOGEE evening calibrations: ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61128 1 22:22 55660001 Dark 3 B 13.5 ---------- a-b-c - - 61128 2 22:37 55660002 Dark 60 B 13.5 ---------- a-b-c - - 61128 3 22:38 55660003 QuarFlat 10 B 13.5 ---------- a-b-c - 103 61128 4 22:41 55660004 Arc-Thar 12 B 13.5 ---------- a-b-c 1.07 101 61128 5 22:48 55660005 Arc-Une 40 B 13.5 ---------- a-b-c 1.13 99 61128 6 22:50 55660006 Arc-Thar 12 A 13.0 ---------- a-b-c 0.60 101 61128 7 22:57 55660007 Arc-Une 40 A 13.0 ---------- a-b-c 0.62 100 61128 8 23:08 55660008 Dark 60 A 13.0 ---------- a-b-c - - 61128 9 23:14 55660009 Arc---- 30 A 13.0 ---------- a-b-c - 101 FPI A 61128 10 23:19 55660010 Arc---- 30 B 13.5 ---------- a-b-c - 98 FPI B ------------------------------------------------------------------------------ 01:22Z Opened to partly cloudy skies. Forced a fill. 01:25:58 hal apogee-dome-flat: FFS, shutter, expose 01:26:21 APOGEE expNum=55660011, reads=5, dithPos=B, DomeFlat 01:27:35 hal apogee-dome-flat: FFS, shutter, expose 01:27:58 APOGEE expNum=55660012, reads=5, dithPos=B, DomeFlat 01:28:50 hal apogee-dome-flat: FFS, shutter, expose 01:29:13 APOGEE expNum=55660013, reads=5, dithPos=B, DomeFlat Globally Normalized MJD DomeFlat MTPs:1 2 3 4 5 6 7 8 9 10 AZ ALT ROT 61128 55660011 1.00 1.02 1.02 1.02 1.03 1.01 0.97 1.00 0.99 0.94 121.0 30.0 0.0 61128 55660012 1.01 1.01 1.02 1.01 1.02 1.01 0.97 0.99 0.99 0.94 121.0 30.0 0.0 61128 55660013 1.01 1.01 1.01 1.01 1.02 1.02 0.96 0.99 0.99 0.94 121.0 30.0 0.0 01:32:15 BOSS expNum=399117, expTime= 4.0s 01:32:55 BOSS expNum=399118, expTime= 4.0s 01:33:38 sp1.motor.move= 1326, 1325, 1325 01:33:38 Hartmann collimate output sp1: offset: r= 659 (In Focus); b= -6.2 (Out of focus) sp1: pred. move: spAverageMove= 1325 sp1: pred. resid: r= -666, b= -2.1, txt= OK, spTemp = 5.0 01:34:12 BOSS expNum=399119, expTime= 25.0s 01:36:00 BOSS expNum=399120, expTime= 25.0s 01:37:48 BOSS expNum=399121, expTime= 25.0s **************************************************************** 01:45:56 Field-Design-Configuration: 102966-770813-25806 **************************************************************** 01:46:04 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 01:46:06 CmdStarted: jaeger configuration execute 01:46:10 CmdStarted: tcc track (slew begins) 01:46:15 HgCd lamps turned ON 01:46:59 CmdDone: jaeger configuration execute 01:47:25 CmdDone: Slew finished ('tcc track' command finished) 01:47:26 CmdStarted: FVC loop 01:48:29 CmdDone: FVC loop FVC loop results: fvc_rms= 61.63 fvc_deltarms= -23.33 fvc_filename=/data/fcam/61128/fimg-fvc1n-0004.fits fvc_perc_90= 9.40 fvc_percent_reached= 63.50 fvc iterations= 2 01:48:30 CmdStarted: tcc track (slew begins) 01:48:30 Ne lamps turned ON 01:48:37 CmdDone: Slew finished ('tcc track' command finished) 01:49:11 BOSS expNum=399122, expTime= 4.0s 01:49:19 HgCd lamps turned OFF 01:49:19 Ne lamps turned OFF 01:49:28 CmdStarted: cherno acquire 01:51:22 CmdDone: cherno acquire 01:51:23 CmdStarted: 'cherno guide' 01:51:45 hal expose: BOSS science, APOGEE science 01:52:08 APOGEE expNum=55660014, reads=35, dithPos=B, Object 01:52:15 BOSS expNum=399123, expTime= 730.0s 01:58:29 APOGEE expNum=55660015, reads=35, dithPos=A, Object **************************************************************** 02:04:37 Field-Design-Configuration: 103399-771678-25807 **************************************************************** 02:04:43 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 02:04:45 CmdStarted: jaeger configuration reverse 02:04:49 CmdStarted: tcc track (slew begins) 02:04:54 HgCd lamps turned ON 02:05:38 CmdDone: jaeger configuration reverse 02:05:38 CmdStarted: jaeger configuration execute 02:06:28 CmdDone: Slew finished ('tcc track' command finished) 02:06:30 CmdDone: jaeger configuration execute 02:06:30 CmdStarted: FVC loop 02:07:32 CmdDone: FVC loop FVC loop results: fvc_rms= 16.8 fvc_deltarms= 24.09 fvc_filename=/data/fcam/61128/fimg-fvc1n-0006.fits fvc_perc_90= 9.40 fvc_percent_reached= 58.40 fvc iterations= 2 02:07:32 CmdStarted: tcc track (slew begins) 02:07:32 Ne lamps turned ON 02:07:40 CmdDone: Slew finished ('tcc track' command finished) 02:08:19 BOSS expNum=399124, expTime= 4.0s 02:08:28 HgCd lamps turned OFF 02:08:28 Ne lamps turned OFF 02:08:37 CmdStarted: cherno acquire 02:09:56 CmdDone: cherno acquire 02:09:57 CmdStarted: 'cherno guide' 02:09:59 New-field overhead: 0:05:18 02:09:59 hal expose: BOSS science, APOGEE science 02:10:27 APOGEE expNum=55660016, reads=35, dithPos=A, Object 02:10:33 BOSS expNum=399125, expTime= 730.0s 02:16:43 APOGEE expNum=55660017, reads=35, dithPos=B, Object **************************************************************** 02:22:55 Field-Design-Configuration: 103410-771700-25808 **************************************************************** 02:23:01 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 02:23:03 CmdStarted: jaeger configuration reverse 02:23:07 CmdStarted: tcc track (slew begins) 02:23:12 HgCd lamps turned ON 02:23:26 CmdDone: Slew finished ('tcc track' command finished) 02:23:55 CmdDone: jaeger configuration reverse 02:23:55 CmdStarted: jaeger configuration execute 02:24:46 CmdDone: jaeger configuration execute 02:24:46 CmdStarted: FVC loop 02:25:51 CmdDone: FVC loop FVC loop results: fvc_rms= 7.54 fvc_deltarms= 30.48 fvc_filename=/data/fcam/61128/fimg-fvc1n-0008.fits fvc_perc_90= 9.20 fvc_percent_reached= 63.10 fvc iterations= 2 02:25:51 CmdStarted: tcc track (slew begins) 02:25:51 Ne lamps turned ON 02:26:00 CmdDone: Slew finished ('tcc track' command finished) 02:26:33 BOSS expNum=399126, expTime= 4.0s 02:26:41 HgCd lamps turned OFF 02:26:42 Ne lamps turned OFF 02:26:51 CmdStarted: cherno acquire 02:27:48 CmdDone: cherno acquire 02:27:49 CmdStarted: 'cherno guide' 02:28:17 New-field overhead: 0:05:19 02:28:17 hal expose: BOSS science, APOGEE science 02:28:40 APOGEE expNum=55660018, reads=35, dithPos=B, Object 02:28:46 BOSS expNum=399127, expTime= 730.0s 02:35:01 APOGEE expNum=55660019, reads=35, dithPos=A, Object **************************************************************** 02:42:31 Field-Design-Configuration: 103374-771627-25809 **************************************************************** 02:42:37 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 02:42:38 CmdStarted: jaeger configuration reverse 02:42:42 CmdStarted: tcc track (slew begins) 02:42:47 HgCd lamps turned ON 02:43:11 CmdDone: Slew finished ('tcc track' command finished) 02:43:30 CmdDone: jaeger configuration reverse 02:43:30 CmdStarted: jaeger configuration execute 02:44:32 CmdDone: jaeger configuration execute 02:44:32 CmdStarted: FVC loop 02:45:37 CmdDone: FVC loop FVC loop results: fvc_rms= 32.97 fvc_deltarms= 12.83 fvc_filename=/data/fcam/61128/fimg-fvc1n-0010.fits fvc_perc_90= 9.30 fvc_percent_reached= 58.20 fvc iterations= 2 02:45:37 CmdStarted: tcc track (slew begins) 02:45:37 Ne lamps turned ON 02:45:46 CmdDone: Slew finished ('tcc track' command finished) 02:46:21 BOSS expNum=399128, expTime= 4.0s 02:46:30 HgCd lamps turned OFF 02:46:30 Ne lamps turned OFF 02:46:40 CmdStarted: cherno acquire 02:47:35 CmdDone: cherno acquire 02:47:36 CmdStarted: 'cherno guide' 02:47:54 New-field overhead: 0:06:42 02:47:54 hal expose: BOSS science, APOGEE science 02:48:18 APOGEE expNum=55660020, reads=35, dithPos=A, Object 02:48:23 BOSS expNum=399129, expTime= 730.0s 02:54:34 APOGEE expNum=55660021, reads=35, dithPos=B, Object 03:01:45 hal expose: BOSS science, APOGEE science 03:02:08 APOGEE expNum=55660022, reads=35, dithPos=B, Object 03:02:14 BOSS expNum=399130, expTime= 730.0s 03:08:29 APOGEE expNum=55660023, reads=35, dithPos=A, Object **************************************************************** 03:14:42 Field-Design-Configuration: 102968-770815-25810 **************************************************************** 03:14:47 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 03:14:49 CmdStarted: jaeger configuration reverse 03:14:53 CmdStarted: tcc track (slew begins) 03:14:58 HgCd lamps turned ON 03:15:52 CmdDone: jaeger configuration reverse 03:15:52 CmdStarted: jaeger configuration execute 03:16:16 CmdDone: Slew finished ('tcc track' command finished) 03:16:37 CmdDone: jaeger configuration execute 03:16:38 CmdStarted: FVC loop 03:17:43 CmdDone: FVC loop FVC loop results: fvc_rms= 9.28 fvc_deltarms= 29.1 fvc_filename=/data/fcam/61128/fimg-fvc1n-0012.fits fvc_perc_90= 9.50 fvc_percent_reached= 61.40 fvc iterations= 2 03:17:43 CmdStarted: tcc track (slew begins) 03:17:43 Ne lamps turned ON 03:17:50 CmdDone: Slew finished ('tcc track' command finished) 03:18:24 BOSS expNum=399131, expTime= 4.0s 03:18:33 HgCd lamps turned OFF 03:18:33 Ne lamps turned OFF 03:18:42 CmdStarted: cherno acquire 03:20:00 CmdDone: cherno acquire 03:20:02 CmdStarted: 'cherno guide' 03:20:31 New-field overhead: 0:05:51 03:20:31 hal expose: BOSS science, APOGEE science 03:20:54 APOGEE expNum=55660024, reads=35, dithPos=A, Object 03:21:00 BOSS expNum=399132, expTime= 730.0s 03:27:10 APOGEE expNum=55660025, reads=35, dithPos=B, Object **************************************************************** 03:33:34 Field-Design-Configuration: 102950-770800-25811 **************************************************************** 03:33:40 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 03:33:42 CmdStarted: jaeger configuration reverse 03:33:46 CmdStarted: tcc track (slew begins) 03:33:51 HgCd lamps turned ON 03:34:11 CmdDone: Slew finished ('tcc track' command finished) 03:34:27 CmdDone: jaeger configuration reverse 03:34:27 CmdStarted: jaeger configuration execute 03:35:20 CmdDone: jaeger configuration execute 03:35:25 CmdStarted: FVC loop 03:36:31 CmdDone: FVC loop FVC loop results: fvc_rms= 11.27 fvc_deltarms= 33.73 fvc_filename=/data/fcam/61128/fimg-fvc1n-0014.fits fvc_perc_90= 9.40 fvc_percent_reached= 57.30 fvc iterations= 2 03:36:31 CmdStarted: tcc track (slew begins) 03:36:31 Ne lamps turned ON 03:36:40 CmdDone: Slew finished ('tcc track' command finished) 03:37:15 BOSS expNum=399133, expTime= 4.0s 03:37:23 HgCd lamps turned OFF 03:37:23 Ne lamps turned OFF 03:37:33 CmdStarted: cherno acquire 03:38:54 CmdDone: cherno acquire 03:38:55 CmdStarted: 'cherno guide' 03:39:11 New-field overhead: 0:05:46 03:39:11 hal expose: BOSS science, APOGEE science 03:39:35 APOGEE expNum=55660026, reads=35, dithPos=B, Object 03:39:41 BOSS expNum=399134, expTime= 730.0s 03:45:55 APOGEE expNum=55660027, reads=35, dithPos=A, Object **************************************************************** 03:52:08 Field-Design-Configuration: 102926-770782-25812 **************************************************************** 03:52:14 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 03:52:15 CmdStarted: jaeger configuration reverse 03:52:19 CmdStarted: tcc track (slew begins) 03:52:24 HgCd lamps turned ON 03:53:01 CmdDone: Slew finished ('tcc track' command finished) 03:53:09 CmdDone: jaeger configuration reverse 03:53:09 CmdStarted: jaeger configuration execute 03:53:56 CmdDone: jaeger configuration execute 03:53:56 CmdStarted: FVC loop 03:55:01 CmdDone: FVC loop FVC loop results: fvc_rms= 8.46 fvc_deltarms= 31.63 fvc_filename=/data/fcam/61128/fimg-fvc1n-0016.fits fvc_perc_90= 10.00 fvc_percent_reached= 60.30 fvc iterations= 2 03:55:01 CmdStarted: tcc track (slew begins) 03:55:01 Ne lamps turned ON 03:55:09 CmdDone: Slew finished ('tcc track' command finished) 03:55:44 BOSS expNum=399135, expTime= 4.0s 03:55:53 HgCd lamps turned OFF 03:55:53 Ne lamps turned OFF 03:56:02 CmdStarted: cherno acquire 03:57:20 CmdDone: cherno acquire 03:57:21 CmdStarted: 'cherno guide' 03:58:01 New-field overhead: 0:05:54 03:58:01 hal expose: BOSS science, APOGEE science 03:58:24 APOGEE expNum=55660028, reads=35, dithPos=A, Object 03:58:30 BOSS expNum=399136, expTime= 730.0s 04:04:40 APOGEE expNum=55660029, reads=35, dithPos=B, Object **************************************************************** 04:11:20 Field-Design-Configuration: 102995-770842-25813 **************************************************************** 04:11:26 hal goto-field: slew, reconfigure, fvc, reslew, arc, acquire, guide 04:11:28 CmdStarted: jaeger configuration reverse 04:11:32 CmdStarted: tcc track (slew begins) 04:11:37 HgCd lamps turned ON 04:12:07 CmdDone: Slew finished ('tcc track' command finished) 04:12:15 CmdDone: jaeger configuration reverse 04:12:15 CmdStarted: jaeger configuration execute 04:13:04 CmdDone: jaeger configuration execute 04:13:04 CmdStarted: FVC loop 04:14:06 CmdDone: FVC loop FVC loop results: fvc_rms= 26.07 fvc_deltarms= 19.16 fvc_filename=/data/fcam/61128/fimg-fvc1n-0018.fits fvc_perc_90= 9.10 fvc_percent_reached= 60.10 fvc iterations= 2 04:14:06 CmdStarted: tcc track (slew begins) 04:14:07 Ne lamps turned ON 04:14:15 CmdDone: Slew finished ('tcc track' command finished) 04:14:48 BOSS expNum=399137, expTime= 4.0s 04:14:56 HgCd lamps turned OFF 04:14:56 Ne lamps turned OFF 04:15:06 CmdStarted: cherno acquire 04:16:25 CmdDone: cherno acquire 04:16:26 CmdStarted: 'cherno guide' 04:16:53 New-field overhead: 0:05:58 04:16:53 hal expose: BOSS science, APOGEE science 04:17:16 APOGEE expNum=55660030, reads=35, dithPos=B, Object 04:17:21 BOSS expNum=399138, expTime= 730.0s 04:23:36 APOGEE expNum=55660031, reads=35, dithPos=A, Object 04:48Z Dust has spiked rapidly. Closing for the moment. 04:31:03 hal apogee-dome-flat: FFS, shutter, expose 04:31:26 APOGEE expNum=55660032, reads=5, dithPos=A, DomeFlat 04:32:18 hal apogee-dome-flat: FFS, shutter, expose 04:32:41 APOGEE expNum=55660033, reads=5, dithPos=A, DomeFlat 04:33:34 hal apogee-dome-flat: FFS, shutter, expose 04:33:56 APOGEE expNum=55660034, reads=5, dithPos=A, DomeFlat Globally Normalized MJD DomeFlat MTPs:1 2 3 4 5 6 7 8 9 10 AZ ALT ROT 61128 55660032 0.99 1.01 1.00 1.01 1.03 1.02 0.96 1.00 1.00 0.95 121.0 30.0 0.0 61128 55660033 1.00 1.01 1.01 1.01 1.02 1.02 0.96 1.00 0.99 0.95 121.0 30.0 -0.0 61128 55660034 1.01 1.01 1.01 1.01 1.02 1.02 0.97 0.99 0.99 0.95 121.0 30.0 0.0 04:38Z Enclosure closed. Ventilation suspended. 11:06Z Night called. FPS is folded and powered off. 11:09:25 BOSS expNum=399139, expTime= 4.0s 11:12:22 BOSS expNum=399140, expTime= 25.0s 11:14:17 BOSS expNum=399141, expTime= 900.0s 11:15Z APOGEE morning calibrations started. ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.0000 0.1030 Axial B: -0.0310 -0.0250 Axial C: -0.1820 -0.1740 Trans D: -0.0260 -0.0300 Lateral E: 0.3400 0.3400 Lateral F: 0.5480 0.5470 GALILS Commanded: 8450 -1050 8800 22100 -2000 -1700 Actual: 8450 -1050 8800 22100 -2000 -1700 SETMIR VALUES PrimDesOrient: 0.0 2.03 16.67 -410.97 -787.67 PrimOrient: 1.06 2.03 16.67 -410.97 -787.67 SECONDARY: ---------- Focus: 0.0000 Air temp: 0.00 Altitude: 30.0 MIGS TONIGHT NOMINAL Axial A: -7.6390 -7.6390 Axial B: -7.5350 -7.5320 Axial C: -7.5250 -7.5280 Trans D: 0.1950 0.1940 GALILS Commanded: 2250400 2250450 2245700 -1750 -1750 Actual: 2215439 2225411 2199269 -1750 -1750 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.88 7.89 1.56 -38.68 35.77 ---- Telescope Offsets and Scale ---- Time Field-Design Az Alt Rot RA Off Dec Off Rot Off Guide RMS (um) ================================================================================ 02:10:15 103399-771678 354.0 54.7 206.6 -0.002 -0.000 -0.297 0.433 02:28:28 103410-771700 345.6 58.2 200.7 -0.003 0.000 -0.299 0.182 02:45:00 103374-771627 345.5 45.7 198.5 -0.003 0.000 -0.299 0.285 03:00:00 103374-771627 340.4 44.7 194.0 -0.001 -0.001 -0.297 0.438 03:20:42 102968-770815 199.5 54.8 88.3 0.000 -0.001 -0.497 0.475 03:39:22 102950-770800 203.2 61.3 96.8 0.001 -0.001 -0.416 0.326 03:58:11 102926-770782 208.9 63.5 46.7 0.002 -0.000 -0.396 0.295 04:15:00 102995-770842 192.9 47.9 95.9 0.001 -0.000 -0.391 0.245 ---- Focus Log ---- Time Field-Design AZ ALT ROT Focus rms ArcOffX OffY Seeing errRA[prc10,prc90] errDec[prc10,prc90] 01:52 102966-770813 183.27 63.36 53.80 -90 0.221 1 -3 1.63 -0.010[-0.118, 0.093] 0.011[-0.167, 0.100] 02:10 103399-771678 353.75 54.72 206.44 -123 0.172 -7 -1 1.18 0.019[-0.087, 0.112] -0.019[-0.140, 0.086] 02:28 103410-771700 345.25 58.12 200.42 -167 0.146 -10 0 1.08 0.032[-0.102, 0.102] -0.007[-0.105, 0.101] 02:48 103374-771627 343.96 45.41 196.96 -177 0.174 -4 -2 1.56 -0.021[-0.140, 0.144] -0.037[-0.166, 0.160] 03:02 103374-771627 339.34 44.50 193.06 -177 0.169 -4 -2 1.79 0.008[-0.279, 0.225] 0.077[-0.259, 0.243] 03:21 102968-770815 199.66 54.68 88.67 -177 0.210 1 -5 1.46 -0.007[-0.137, 0.158] 0.001[-0.121, 0.133] 03:39 102950-770800 203.38 61.28 97.02 -177 0.171 4 -3 1.39 -0.002[-0.106, 0.073] -0.021[-0.155, 0.119] 03:58 102926-770782 209.03 63.50 46.89 -177 0.197 5 0 1.38 0.005[-0.130, 0.097] 0.000[-0.114, 0.110] 04:17 102995-770842 193.21 47.76 97.29 -199 0.177 1 -9 1.49 0.027[-0.094, 0.080] -0.024[-0.088, 0.082] ---- Telescope Status ---- Opened at 01:22:27 Closed at 04:38:34 Status at: 1:07:02Z Telescope Position: 121.0, 30.0, 0.0 mount Instrument mounted: FPS Counterweights at: 32.4, 31.7, 32.5, 31.7 LN2 autofill systems: Connected and turned on 180L LN2 dewar scale: SP1 209.0 lbs, 24.9 psi FPS Status ========== CP10 Loop = 7.40 L/min GFA Loop = 2.41 L/min Supply pressure = 44.7 psi Return pressure = 29.7 psi Chiller Status ============== Set temperarature = 8.5 C Flow = 5.0 Gpm ---- Software Used ---- -- STUI software: STUI : 1.7.19 alerts : 2.3.0 boss : 6.0.5a1 -boss.specMec : 3.0.4 apo : 4.1.0 fliswarm : 0.6.0 jaeger : 1.11.0 kaiju : 1.4.1 coordio : 1.18.1 fps_calibrati : 2025.12.04 cherno : 1.1.0 astrometrynet : 0.93 hal : 1.4.1 hartmann : 2.0.2 hub : 5.0.1a0 mcp : 2.3.1 -mcp.plc : 35 -mcp.azFiduci : v1_153 -mcp.altFiduc : v1_153 -mcp.rotFiduc : v1_153 tcc : 1.4.0 apogee : not availble apogeecal : not availble apogeeql : v1_7_0dev STUIAdditions : 3.1.20 Boson : 0.6.0 --------------Other Versions-------------- sdss-obstools : 3.9.3 TPM : 1.2-31-gd7eb MCP : 2.3.1 idlspec2d : v6_2_1 Kronos : 2.1.0a roboscheduler : 2.1.0 ---- APOGEE Data Summary ---- MJD UTC Field-Design-Config Exposure Type Dith Reads Arch -------------------------------------------------------------------------------- 61127 22:22:19 -999- -999-25804 55660001 Dark B 3 a-b-c 61127 22:26:37 -999- -999-25804 55660002 Dark B 60 a-b-c 61127 22:37:29 -999- -999-25805 55660003 Quartzflat B 10 a-b-c 61127 22:39:21 -999- -999-25805 55660004 ThAr Arc B 12 a-b-c 61127 22:41:33 -999- -999-25805 55660005 UNe Arc B 40 a-b-c 61127 22:48:50 -999- -999-25805 55660006 ThAr Arc A 12 a-b-c 61127 22:51:03 -999- -999-25805 55660007 UNe Arc A 40 a-b-c 61127 22:58:29 -999- -999-25805 55660008 Dark A 60 a-b-c 61127 23:09:20 -999- -999-25805 55660009 FPI Lamp A 30 a-b-c 61127 23:14:44 -999- -999-25805 55660010 FPI Lamp B 30 a-b-c 61128 01:26:09 -999- -999-25805 55660011 Domeflat B 5 a-b-c 61128 01:27:46 -999- -999-25805 55660012 Domeflat B 5 a-b-c 61128 01:29:01 -999- -999-25805 55660013 Domeflat B 5 a-b-c 61128 01:51:56 102966-770813-25806 55660014 Object B 35 a-b-c 61128 01:58:17 102966-770813-25806 55660015 Object A 35 a-b-c 61128 02:10:15 103399-771678-25807 55660016 Object A 35 a-b-c 61128 02:16:31 103399-771678-25807 55660017 Object B 35 a-b-c 61128 02:28:28 103410-771700-25808 55660018 Object B 35 a-b-c 61128 02:34:49 103410-771700-25808 55660019 Object A 35 a-b-c 61128 02:48:05 103374-771627-25809 55660020 Object A 35 a-b-c 61128 02:54:21 103374-771627-25809 55660021 Object B 35 a-b-c 61128 03:01:56 103374-771627-25809 55660022 Object B 35 a-b-c 61128 03:08:17 103374-771627-25809 55660023 Object A 35 a-b-c 61128 03:20:42 102968-770815-25810 55660024 Object A 35 a-b-c 61128 03:26:58 102968-770815-25810 55660025 Object B 35 a-b-c 61128 03:39:22 102950-770800-25811 55660026 Object B 35 a-b-c 61128 03:45:43 102950-770800-25811 55660027 Object A 35 a-b-c 61128 03:58:12 102926-770782-25812 55660028 Object A 35 a-b-c 61128 04:04:28 102926-770782-25812 55660029 Object B 35 a-b-c 61128 04:17:03 102995-770842-25813 55660030 Object B 35 a-b-c 61128 04:23:24 102995-770842-25813 55660031 Object A 35 a-b-c 61128 04:31:13 102995-770842-25813 55660032 Domeflat A 5 a-b-c 61128 04:32:29 102995-770842-25813 55660033 Domeflat A 5 a-b-c 61128 04:33:44 102995-770842-25813 55660034 Domeflat A 5 a-b-c ThAr Offsets: ['-0.20'] UNe Offsets: ['-0.79'] Object Offsets: Max: 20.73, Min: 0.17, Mean: 6.82 num field design config exptype dithpix nread relflux okay dx dy sigx sigy fpi1 fpi2 -------- ------ ------ ------ ------------ ------- ----- ------- ---- ------- ------- ------ ------ ---- ---- 55660001 -999 -999 25804 DARK 13.5 3 33 True -- -- -- -- -- -- 55660002 -999 -999 25804 DARK 13.5 60 -23 True -- -- -- -- -- -- 55660003 -999 -999 25805 QUARTZFLAT 13.5 10 108 True -- 0.64 -- 0.86 -- -- 55660004 -999 -999 25805 ARCLAMP-THAR 13.5 12 91 True 24.08 1.22 1.06 0.93 -- -- 55660005 -999 -999 25805 ARCLAMP-UNE 13.5 40 3 True -10.16 -5.14 0.98 0.72 -- -- 55660006 -999 -999 25805 ARCLAMP-THAR 13.0 12 99 True 23.71 -5.33 1.07 0.75 -- -- 55660007 -999 -999 25805 ARCLAMP-UNE 13.0 40 7 True -10.90 -5.06 1.71 0.82 -- -- 55660008 -999 -999 25805 DARK 13.0 60 5 True -- -- -- -- -- -- 55660009 -999 -999 25805 FPI 13.0 30 231 True -14.13 -5.18 1.12 0.89 -- -- 55660010 -999 -999 25805 FPI 13.5 30 235 True 11.06 -5.19 1.11 0.90 -- -- 55660011 -999 -999 25805 DOMEFLAT 13.5 5 106 True -- 0.68 -- 0.83 -- -- 55660012 -999 -999 25805 DOMEFLAT 13.5 5 100 True -- 0.66 -- 0.84 -- -- 55660013 -999 -999 25805 DOMEFLAT 13.5 5 99 True -- 0.68 -- 0.85 -- -- 55660014 102966 770813 25806 OBJECT 13.5 35 73 True 24.22 0.47 1.77 0.79 146 168 55660015 102966 770813 25806 OBJECT 13.0 35 65 True 23.49 0.43 1.73 0.94 145 168 55660016 103399 771678 25807 OBJECT 13.0 35 86 True 23.47 0.46 1.74 0.89 154 173 55660017 103399 771678 25807 OBJECT 13.5 35 89 True 24.02 0.43 1.78 0.81 154 173 55660018 103410 771700 25808 OBJECT 13.5 35 6 True 4.50 0.69 0.30 0.84 153 169 55660019 103410 771700 25808 OBJECT 13.0 35 7 True -13.51 0.68 0.30 0.85 154 168 55660020 103374 771627 25809 OBJECT 13.0 35 2 True -16.90 4.12 0.43 0.40 138 162 55660021 103374 771627 25809 OBJECT 13.5 35 98 True 24.28 -6.03 1.77 0.90 139 163 55660022 103374 771627 25809 OBJECT 13.5 35 101 True 24.28 -6.05 1.77 0.88 134 165 55660023 103374 771627 25809 OBJECT 13.0 35 114 True 23.48 0.46 1.74 0.89 131 163 55660024 102968 770815 25810 OBJECT 13.0 35 87 True 23.75 -6.05 1.72 0.86 150 164 55660025 102968 770815 25810 OBJECT 13.5 35 82 True 24.28 -6.03 1.77 0.89 154 166 55660026 102950 770800 25811 OBJECT 13.5 35 110 True 24.21 0.53 1.78 0.90 152 170 55660027 102950 770800 25811 OBJECT 13.0 35 1 True 4.68 -4.11 0.62 0.38 149 169 55660028 102926 770782 25812 OBJECT 13.0 35 104 True 23.69 0.60 1.76 0.92 -- 169 55660029 102926 770782 25812 OBJECT 13.5 35 103 True 24.19 0.63 1.79 0.89 156 170 55660030 102995 770842 25813 OBJECT 13.5 35 89 True 24.01 0.50 1.79 0.90 147 170 55660031 102995 770842 25813 OBJECT 13.0 35 109 True 23.69 0.51 1.76 0.89 142 166 55660032 102995 770842 25813 DOMEFLAT 13.0 5 96 True -- 0.70 -- 0.85 -- -- 55660033 102995 770842 25813 DOMEFLAT 13.0 5 95 True -- 0.70 -- 0.84 -- -- 55660034 102995 770842 25813 DOMEFLAT 13.0 5 96 True -- 0.71 -- 0.84 -- -- num exptype nread mtp1 mtp2 mtp3 mtp4 mtp5 mtp6 mtp7 mtp8 mtp9 mtp10 -------- ---------- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- 55660003 QUARTZFLAT 10 73 80 90 99 99 94 95 98 98 90 55660011 DOMEFLAT 5 80 88 96 104 114 101 105 109 104 99 55660012 DOMEFLAT 5 75 84 91 97 107 94 98 102 98 93 55660013 DOMEFLAT 5 75 84 90 96 106 94 98 102 97 93 55660032 DOMEFLAT 5 69 77 83 92 100 89 92 97 92 88 55660033 DOMEFLAT 5 71 81 86 93 102 91 94 98 94 90 55660034 DOMEFLAT 5 73 82 87 94 103 91 95 99 95 91 ---- BOSS Data Summary ---- MJD UTC Field-Design-Config Exposure Type SOS ETime Hart -------------------------------------------------------------------------------- 61128 22:25:29 -999- -999-25804 00399111 Bias r1-b1 0 Closed 61128 22:27:39 -999- -999-25804 00399112 Dark r1-b1 20 Closed 61128 22:29:53 -999- -999-25804 00399113 Hart r1-b1 4 Left 61128 22:30:33 -999- -999-25804 00399114 Hart r1-b1 4 Right 61128 22:31:46 -999- -999-25804 00399115 Arc r1-b1 4 Open 61128 22:33:42 -999- -999-25804 00399116 Flat r1-b1 25 Open 61128 01:32:15 -999- -999-25805 00399117 Hart r1-b1 4 Left 61128 01:32:55 -999- -999-25805 00399118 Hart r1-b1 4 Right 61128 01:34:12 -999- -999-25805 00399119 Flat r1-b1 25 Open 61128 01:36:00 -999- -999-25805 00399120 Flat r1-b1 25 Open 61128 01:37:47 -999- -999-25805 00399121 Flat r1-b1 25 Open 61128 01:49:11 102966-770813-25806 00399122 Arc r1-b1 4 Open 61128 01:52:14 102966-770813-25806 00399123 Science r1-b1 730 Open 61128 02:08:19 103399-771678-25807 00399124 Arc r1-b1 4 Open 61128 02:10:33 103399-771678-25807 00399125 Science r1-b1 730 Open 61128 02:26:33 103410-771700-25808 00399126 Arc r1-b1 4 Open 61128 02:28:46 103410-771700-25808 00399127 Science r1-b1 730 Open 61128 02:46:21 103374-771627-25809 00399128 Arc r1-b1 4 Open 61128 02:48:23 103374-771627-25809 00399129 Science r1-b1 730 Open 61128 03:02:14 103374-771627-25809 00399130 Science r1-b1 730 Open 61128 03:18:24 102968-770815-25810 00399131 Arc r1-b1 4 Open 61128 03:21:00 102968-770815-25810 00399132 Science r1-b1 730 Open 61128 03:37:15 102950-770800-25811 00399133 Arc r1-b1 4 Open 61128 03:39:40 102950-770800-25811 00399134 Science r1-b1 730 Open 61128 03:55:44 102926-770782-25812 00399135 Arc r1-b1 4 Open 61128 03:58:29 102926-770782-25812 00399136 Science r1-b1 730 Open 61128 04:14:48 102995-770842-25813 00399137 Arc r1-b1 4 Open 61128 04:17:21 102995-770842-25813 00399138 Science r1-b1 730 Open ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 22:31:10 4.8 -1979 3.8 -1600 -1.2 01:33:30 5.6 659 -6.2 1325 -2.1 ---- Weather Log ---- Time Field-Design Temp DP Diff Humid Wind Dir 1μm Dust IRSC σ IRSC μ ================================================================================ 02:10:15 103399-771678 0.0 0.0 0.0 100.0 2.9 246 nan 23.3 342 02:28:28 103410-771700 0.0 0.0 0.0 100.0 6.1 260 nan 21.7 343 02:45:00 103374-771627 0.0 0.0 0.0 100.0 8.1 225 nan 18.0 341 03:00:00 103374-771627 0.0 0.0 0.0 100.0 3.9 195 nan 19.0 342 03:20:42 102968-770815 0.0 0.0 0.0 100.0 4.8 188 nan 25.4 342 03:39:22 102950-770800 0.0 0.0 0.0 100.0 5.6 198 nan 24.6 344 03:58:11 102926-770782 0.0 0.0 0.0 100.0 6.6 207 nan 19.1 341 04:15:00 102995-770842 0.0 0.0 0.0 100.0 5.1 190 nan 20.0 341 ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61128 Fill night time in Hours below *=*=*= Total bright time : 9.5 *=*=*= Bright time, queued observations : 2.5 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 7.0 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 0.7 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 0.7 *=*=*= Dark time lost to technical issues : 0 Sat 28 Mar 2026 61128 0.85 02:14 02:29 11:46 07:51 17:10 --- bright until 11:05 ( 9.5 h, w/ 1.0 h for 8 deg design), then dark ( 0.7 h)