APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Friday January 23, 2026 (SJD 61064) ---- Observing Team ---- Dmitry Bizyaev ---- Observing Plan ---- Fri 23 Jan 2026 61064 0.30 01:23 01:38 12:51 02:48 14:03 --- dark (11.2 h) plus 0.2 h for 12 deg design ---- Observing Summary ---- The entire night was lost due to a weather front passing with snow, high humidity and fog. ---- Observing Log ---- Afternoon ========= All syetems checked nd found working and responsive. The BOSS collimation looks OK, not adjusted: 23:50:58 Hartmann collimate output sp1: offset: r= -989 (In Focus); b= -0.2 (In Focus) sp1: pred. move: spAverageMove= -462 sp1: pred. resid: r= -526, b= -1.7, txt= OK, spTemp = 2.4 cwPositions = 35 35 35 35; MCP instr = 10 (mounted); ---------- motorPosition sp1: -5215, -5198, -5152; ---------- Median spectrographs temperatures: Tsp1= 2.4 Outside air temperature= 0.0; ---------- Boss CCD Temp : sp1r0= -126.2 (-126.6); sp1b2= -101.6 (-100.0); sp1LN2: 10.0; ---------- Apogee: vacuum = 4.098e-07 ( < 1.1e-06 ) ln2Level = 93.299 ( > 85 ) ---------- Weather: Humidity = 93.7 % AirTemp = 0.3 C, DpTemp = -0.6 C diff= 0.9 C wind25m = 11.0 mph, direction = 264.1 deg ---------- semOwner = TCC:0:0 stuiVer=(1.7.19 2023-01-12), pid = 35605 memory = 483 MB ---------- Jaeger disabled robots: 572, 647, 973, 986, 994, 1126, 1140 There are 7 disabled robots 22:21:22 apogee exposure file= apRaw-55020005 3 B QuartzFlat 22:21:49 boss exposure 0 sec file=0395236 bias 22:22:54 apogee exposure file= apRaw-55020006 60 B Dark ======================================================= =====>>>>> 22:23:40 Config Loaded: -999--999-24349 ======================================================= 22:24:16 FVC exposure image /data/fcam/61064/proc-fimg-fvc1n-0001.fits 22:24:15 fvc_perc_90= 55.5 fvc_percent_reached= 1.0 fvc_rms= 40.92 22:24:15 boss exposure 20 sec file=0395237 dark 22:33:45 apogee exposure file= apRaw-55020007 10 B QuartzFlat 22:35:38 apogee exposure file= apRaw-55020008 12 B ArcLamp 22:37:50 apogee exposure file= apRaw-55020009 40 B ArcLamp 22:45:08 apogee exposure file= apRaw-55020010 12 A ArcLamp 22:47:20 apogee exposure file= apRaw-55020011 40 A ArcLamp 22:54:46 apogee exposure file= apRaw-55020012 60 A Dark 23:05:37 apogee exposure file= apRaw-55020013 30 A ArcLamp 23:11:01 apogee exposure file= apRaw-55020014 30 B ArcLamp 23:48:58 boss exposure 4 sec file=0395238 arc 23:49:38 boss exposure 4 sec file=0395239 arc 23:50:54 Hartmann: offset r= -989 (In Focus) b = -0.2 (In Focus) pred_move = -462 pred_resid r= -526 b= -1.7 cmnt=OK 23:51:36 boss exposure 4 sec file=0395240 arc 23:53:09 boss exposure 25 sec file=0395241 flat Ventilation is delayed dues to high humidity and snow flurries on site, 23:55:05 boss exposure 900 sec file=0395242 dark 00:14:42 boss exposure 900 sec file=0395243 dark 00:31:01 boss exposure 900 sec file=0395244 dark 00:47:20 boss exposure 900 sec file=0395245 dark 01:03:40 boss exposure 900 sec file=0395246 dark 01:19:59 boss exposure 900 sec file=0395247 dark 01:36:18 boss exposure 900 sec file=0395248 dark No chances to open due to snow, fog, and high humidity. 11:50Z calling it a night. num field design config exptype dithpix nread relflux okay dx dy sigx sigy fpi1 fpi2 -------- ------ ------ ------ ------------ ------- ----- ------- ----- ------- ------- ------ ------ ---- ---- 55020001 103022 754985 24348 DARK 13.5 3 33 True -- -- -- -- -- -- 55020002 103022 754985 24348 QUARTZFLAT 13.5 10 nan False -- -- -- -- -- -- 55020003 103022 754985 24348 QUARTZFLAT 13.5 10 0 False -- -5.21 -- 0.41 -- -- 55020004 103022 754985 24348 QUARTZFLAT 13.5 10 107 True -- 0.60 -- 0.86 -- -- 55020005 103022 754985 24348 QUARTZFLAT 13.5 3 1 False -- 0.03 -- 0.55 -- -- 55020006 103022 754985 24348 DARK 13.5 60 -28 True -- -- -- -- -- -- 55020007 -999 -999 24349 QUARTZFLAT 13.5 10 108 True -- 0.62 -- 0.86 -- -- 55020008 -999 -999 24349 ARCLAMP-THAR 13.5 12 93 True 23.86 1.38 1.07 0.98 -- -- 55020009 -999 -999 24349 ARCLAMP-UNE 13.5 40 4 True -10.52 -5.13 1.00 0.84 -- -- 55020010 -999 -999 24349 ARCLAMP-THAR 13.0 12 87 True 23.35 1.36 1.06 0.95 -- -- 55020011 -999 -999 24349 ARCLAMP-UNE 13.0 40 4 True -10.92 -5.13 1.13 0.89 -- -- 55020012 -999 -999 24349 DARK 13.0 60 -3 True -- -- -- -- -- -- 55020013 -999 -999 24349 FPI 13.0 30 233 True -1.97 -5.21 1.12 0.91 -- -- 55020014 -999 -999 24349 FPI 13.5 30 239 True 10.84 -5.19 1.12 0.90 -- -- num exptype nread mtp1 mtp2 mtp3 mtp4 mtp5 mtp6 mtp7 mtp8 mtp9 mtp10 -------- ---------- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- 55020002 QUARTZFLAT 10 0 0 0 0 0 -0 -0 0 -0 0 55020003 QUARTZFLAT 10 0 0 0 0 0 0 0 0 0 0 55020004 QUARTZFLAT 10 72 79 87 97 98 92 94 96 97 88 55020005 QUARTZFLAT 3 0 1 1 0 1 1 0 0 0 0 55020007 QUARTZFLAT 10 73 79 88 97 98 92 94 96 97 89 ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.1010 0.1030 Axial B: -0.0320 -0.0250 Axial C: -0.1810 -0.1740 Trans D: -0.0230 -0.0300 Lateral E: 0.3400 0.3400 Lateral F: 0.5475 0.5470 GALILS Commanded: 8450 -1050 8800 22100 -2000 -1700 Actual: 8450 -1050 8800 22100 -2000 -1700 SETMIR VALUES PrimDesOrient: 1.06 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: -7.6410 -7.6390 Axial B: -7.5390 -7.5320 Axial C: -7.5250 -7.5280 Trans D: 0.2020 0.1940 GALILS Commanded: 2255400 2257900 2247850 -1750 -1700 Actual: 2215320 2225354 2198973 -1750 -1700 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.72 7.99 1.54 -39.28 35.12 ---- Telescope Status ---- Not opened No interlocks bypassed Status at: 11:49Z Telescope stowed at: 121.0, 30.0, 0.0 mount Instrument mounted: FPS Counterweights at: n/a, FPS balanced LN2 autofill systems: Connected and turned on 180L LN2 dewar scales: SP1 145 lbs, 23 psi FPS Status ========== CP10 Loop = 7.89 L/min GFA Loop = 2.45 L/min Supply pressure = 45.5 psi Return pressure = 29.6 psi Chiller Status ============== Set temperarature = 3.0 C Flow = 4.8 Gpm ---- Software Used ---- 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_152 -mcp.altFiduc : v1_152 -mcp.rotFiduc : v1_152 tcc : 1.4.0 apogee : not availble apogeecal : not availble apogeeql : v1_7_0dev Boson : 0.5.1 --------------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 /dev/sdb1 2.0T 488G 1.6T 24% /home /dev/sdd1 22T 17T 4.6T 79% /data ---- APOGEE Data Summary ---- Last morning's calibrations went well (given the Quartz lamp problem): 61063 84 11:26 55010084 Dark 60 B 13.5 ---------- a-b-c - - 61063 85 11:37 55010085 Dark 60 B 13.5 ---------- a-b-c - - 61063 86 11:47 55010086 Dark 60 B 13.5 ---------- a-b-c - - 61063 87 11:49 55010087 QuarFlat 10 B 13.5 ---------- a-b-c - - 61063 88 11:51 55010088 QuarFlat 10 B 13.5 ---------- a-b-c - - 61063 89 11:53 55010089 QuarFlat 10 B 13.5 ---------- a-b-c - - 61063 90 11:55 55010090 Arc-Thar 12 B 13.5 ---------- a-b-c 0.89 - 61063 91 12:02 55010091 Arc-Une 40 B 13.5 ---------- a-b-c - - 61063 92 12:05 55010092 Arc-Thar 12 A 13.0 ---------- a-b-c 0.35 - 61063 93 12:12 55010093 Arc-Une 40 A 13.0 ---------- a-b-c - - 61063 94 12:17 55010094 Dark 30 A 13.0 ---------- a-b-c - - 61063 95 12:23 55010095 InteFlat 30 A 13.0 ---------- a-b-c - - 61063 96 12:28 55010096 InteFlat 30 A 13.0 ---------- a-b-c - - 61063 97 12:33 55010097 InteFlat 30 A 13.0 ---------- a-b-c - - 61063 98 12:39 55010098 Dark 30 A 13.0 ---------- a-b-c - - 61063 99 12:44 55010099 Arc---- 30 A 13.0 ---------- a-b-c - 98 FPI A 61063 100 12:50 55010100 Arc---- 30 B 13.5 ---------- a-b-c - 98 FPI B APOGEE data list, mjd=61064, all raw_data: /data/apogee/utr_cdr/61064/apRaw-*.fits archive: /data/apogee/archive/61064/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61064/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61064 1 19:02 55020001 Dark 3 B 13.5 ---------- a-b-c - - 61064 2 19:04 55020002 QuarFlat 10 B 13.5 ---------- a-b-c - - 61064 3 19:18 55020003 QuarFlat 10 B 13.5 ---------- a-b-c - - 61064 4 19:26 55020004 QuarFlat 10 B 13.5 ---------- a-b-c - - 61064 5 22:21 55020005 QuarFlat 3 B 13.5 ---------- a-b-c - - test 61064 6 22:33 55020006 Dark 60 B 13.5 ---------- a-b-c - - 61064 7 22:35 55020007 QuarFlat 10 B 13.5 ---------- a-b-c - - 61064 8 22:37 55020008 Arc-Thar 12 B 13.5 ---------- a-b-c 0.86 - 61064 9 22:44 55020009 Arc-Une 40 B 13.5 ---------- a-b-c - - 61064 10 22:46 55020010 Arc-Thar 12 A 13.0 ---------- a-b-c 0.35 - 61064 11 22:54 55020011 Arc-Une 40 A 13.0 ---------- a-b-c - - 61064 12 23:05 55020012 Dark 60 A 13.0 ---------- a-b-c - - 61064 13 23:10 55020013 Arc---- 30 A 13.0 ---------- a-b-c - 102 FPI A 61064 14 23:15 55020014 Arc---- 30 B 13.5 ---------- a-b-c - 101 FPI B ... ------------------------------------------------------------------------------ ---- BOSS Data Summary ---- Reading FITS from /data/spectro//61064 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n Time Filename design-field cfg flav shu Exp colA colB colC Hrt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 22:21 r1-00395236 ----------- ---- bia Clo 0.0 -4753 -4736 -4690 2 22:21 b1-00395236 ----------- ---- bia Clo 0.0 -4753 -4736 -4690 3 22:24 b1-00395237 ----------- ---- dar Clo 20.0 -4753 -4736 -4690 4 22:24 r1-00395237 ----------- ---- dar Clo 20.0 -4753 -4736 -4690 5 23:49 b1-00395238 -999--999 24349 arc Lef 4.1 -4753 -4736 -4690 HART 6 23:49 r1-00395238 -999--999 24349 arc Lef 4.1 -4753 -4736 -4690 HART 7 23:50 r1-00395239 -999--999 24349 arc Rig 4.1 -4753 -4736 -4690 HART 8 23:50 b1-00395239 -999--999 24349 arc Rig 4.1 -4753 -4736 -4690 HART 9 23:51 r1-00395240 -999--999 24349 arc Out 4.1 -5215 -5198 -5152 10 23:51 b1-00395240 -999--999 24349 arc Out 4.1 -5215 -5198 -5152 11 23:53 r1-00395241 -999--999 24349 fla Out 25.1 -5215 -5198 -5152 12 23:53 b1-00395241 -999--999 24349 fla Out 25.1 -5215 -5198 -5152 13 23:55 b1-00395242 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 14 23:55 r1-00395242 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 15 00:14 r1-00395243 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 16 00:14 b1-00395243 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 17 00:31 r1-00395244 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 18 00:31 b1-00395244 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 19 00:47 r1-00395245 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 20 00:47 b1-00395245 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 21 01:03 r1-00395246 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 22 01:03 b1-00395246 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 23 01:20 r1-00395247 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 24 01:20 b1-00395247 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 25 01:36 b1-00395248 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 26 01:36 r1-00395248 ----------- ---- dar Clo 900.0 -5215 -5198 -5152 ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 23:50:50 2.4 -989 -0.2 -462 -1.7 ---- Weather Log ---- Wind 1 um DIMM IRSC Time Temp C Dewp C MPH Dir Dust fwhm mean sigma 19:00 0.5 -1.1 20.0 13.8 dpDep 19:15 0.6 0.2 17.8 51.4 dpDep 19:30 0.7 0.2 21.9 43.6 dpDep 19:45 0.6 0.2 19.4 40.1 dpDep 20:00 0.6 0.2 21.9 49.0 dpDep 20:15 0.5 -0.2 14.9 58.1 dpDep 20:30 0.5 0.1 13.5 42.2 dpDep 20:45 0.5 0.1 18.3 73.6 dpDep 21:00 0.5 0.2 16.9 41.2 dpDep 21:15 0.3 0.2 13.3 66.9 dpDep 21:30 0.2 -0.2 7.6 65.7 dpDep 21:45 0.4 0.2 11.7 57.0 dpDep 22:00 0.5 -0.1 11.3 62.0 dpDep 22:15 0.5 0.2 11.0 49.8 dpDep 22:30 0.5 0.2 8.1 64.8 dpDep 22:45 0.3 0.1 9.4 66.6 dpDep 23:00 0.2 0.2 12.3 03.0 dpDep 23:15 0.2 0.2 11.2 92.2 dpDep 23:30 0.2 0.2 12.0 78.9 dpDep 23:45 0.3 -0.3 9.5 69.1 dpDep 00:00 0.5 0.1 12.1 62.8 dpDep 00:15 0.5 -0.3 9.4 63.1 dpDep 00:30 0.7 0.2 11.7 64.0 dpDep 00:45 0.7 0.1 17.2 13.9 dpDep 01:00 0.6 0.2 5.8 59.1 dpDep 01:15 0.7 0.1 12.0 53.9 dpDep 01:30 0.7 -0.3 13.0 28.3 dpDep 01:45 0.7 0.1 13.8 33.3 dpDep 02:00 0.6 -0.1 15.6 18.8 dpDep 02:15 0.7 0.2 10.4 39.8 dpDep 02:30 0.9 0.1 13.4 15.3 dpDep 02:45 1.0 0.2 13.7 10.8 dpDep 03:00 1.3 0.2 12.8 89.3 dpDep 03:15 1.4 0.2 15.6 99.0 dpDep 03:30 1.3 0.1 20.4 03.9 dpDep 03:45 0.4 -0.2 23.4 47.5 dpDep 04:00 -0.1 -0.1 19.0 15.3 dpDep 04:15 -0.1 -1.1 19.2 55.2 dpDep 04:30 -0.1 0.1 16.2 15.1 dpDep 04:45 -0.1 0.2 15.3 34.1 dpDep 05:00 0.2 0.2 16.9 05.8 dpDep 05:15 0.3 0.2 21.5 32.7 dpDep 05:30 0.0 0.1 13.8 18.0 dpDep 05:45 0.2 0.1 13.8 26.5 dpDep 06:00 0.3 0.1 16.6 18.4 dpDep 06:15 0.3 0.2 18.0 15.8 dpDep 06:30 0.3 -0.1 12.2 10.1 dpDep 06:45 0.2 -0.2 14.0 20.7 dpDep 07:00 -0.1 0.0 15.8 14.8 dpDep 07:15 -0.1 -0.1 13.9 09.5 dpDep 07:30 0.4 0.1 21.4 99.8 dpDep 07:45 -0.1 -0.7 24.6 13.7 dpDep 08:00 0.1 -0.6 18.5 28.4 dpDep 08:15 0.1 -0.1 18.1 24.6 dpDep 08:30 0.1 0.1 15.1 07.6 dpDep 08:45 0.5 0.2 17.4 01.7 dpDep 09:00 0.5 -0.6 17.9 17.7 dpDep 09:15 0.5 -0.8 15.0 14.3 dpDep 09:30 0.4 -0.9 22.2 10.5 dpDep 09:45 0.3 -0.4 16.3 28.0 dpDep 10:00 0.7 0.1 19.2 25.8 dpDep 10:15 0.8 -0.2 16.3 49.4 dpDep 10:30 0.9 0.1 19.2 21.3 dpDep 10:45 0.8 -0.3 18.3 35.0 dpDep 11:00 0.8 0.1 9.0 29.6 dpDep 11:15 0.5 -0.7 21.5 35.7 dpDep 11:30 0.3 0.1 22.0 28.2 dpDep ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61064 Fill night time in Hours below *=*=*= Total bright time : 0.2 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 0.2 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 11.2 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 11.2 *=*=*= Dark time lost to technical issues : 0