APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Thursday January 08, 2026 (SJD 61049) ---- Observing Team ---- Dmitry Bizyaev ---- Observing Plan ---- Thu 08 Jan 2026 61049 0.63 01:11 01:26 12:54 01:37 13:07 --- dark until 06:04 ( 4.6 h), then bright ( 7.1 h, w/ 0.3 h for 12 deg design) ---- Observing Summary ---- The night was lost to clouds, snow, blowing snow, and high hu,idity. Trails and apron cleaned of snow with showel, as good as I can do it in the darkness. The parking lot area has got 1-2", and the apron 2-3". Given the -8C site, temperature, it should stay as powder until the day time. ---- Observing Log ---- Aftrnoon ======== All systems checked, no problems found. The BOSS collomation loks in spec, not adjusted: 23:32:50 Hartmann collimate output sp1: offset: r= -2638 (Out of focus); b= 4.8 (Out of focus) sp1: pred. move: spAverageMove= -2090 sp1: pred. resid: r= -548, b= -1.7, txt= OK, spTemp = 2.2 cwPositions = 35 35 35 35; MCP instr = 10 (mounted); ---------- motorPosition sp1: -5431, -5412, -5395; ---------- Median spectrographs temperatures: Tsp1= 2.1 Outside air temperature= 0.0; ---------- Boss CCD Temp : sp1r0= -126.6 (-126.6); sp1b2= -101.6 (-100.0); sp1LN2: 10.0; ---------- Apogee: vacuum = 4.51e-07 ( < 1.1e-06 ) ln2Level = 93.501 ( > 85 ) ---------- Weather: Humidity = 99.6 % AirTemp = -2.7 C, DpTemp = -2.7 C diff= 0.0 C wind25m = 27.9 mph, direction = 221.8 deg ---------- semOwner = TCC:0:0 stuiVer=(1.7.19 2023-01-12), pid = 16187 memory = 498 MB ---------- Jaeger disabled robots: 647, 973, 986 There are 3 disabled robots 22:29:43 apogee exposure file= apRaw-54870001 3 B ArcLamp 22:30:10 boss exposure 0 sec file=0394230 bias ======================================================= =====>>>>> 22:31:37 Config Loaded: -999--999-23952 ======================================================= 22:31:37 apogee exposure file= apRaw-54870002 60 B Dark 22:32:30 FVC exposure image /data/fcam/61049/proc-fimg-fvc1n-0001.fits 22:32:29 fvc_perc_90= 56.2 fvc_percent_reached= 1.0 fvc_rms= 39.06 22:35:34 boss exposure 20 sec file=0394231 dark 22:42:29 apogee exposure file= apRaw-54870003 10 B QuartzFlat 22:44:22 apogee exposure file= apRaw-54870004 12 B ArcLamp 22:46:35 apogee exposure file= apRaw-54870005 40 B ArcLamp 22:53:52 apogee exposure file= apRaw-54870006 12 A ArcLamp 22:56:04 apogee exposure file= apRaw-54870007 40 A ArcLamp 23:03:30 apogee exposure file= apRaw-54870008 60 A Dark 23:14:21 apogee exposure file= apRaw-54870009 30 A ArcLamp 23:19:45 apogee exposure file= apRaw-54870010 30 B ArcLamp 23:30:44 boss exposure 4 sec file=0394232 arc 23:31:24 boss exposure 4 sec file=0394233 arc 23:32:40 Hartmann: offset r= -2638 (Out of focus) b = 4.8 (Out of focus) pred_move = -2090 pred_resid r= -548 b= -1.7 cmnt=OK 23:33:38 boss exposure 4 sec file=0394234 arc 23:35:24 boss exposure 25 sec file=0394235 flat Ventilation ppstponed dues to high humidity and high wind gusts. 23:43:44 boss exposure 900 sec file=0394236 dark ===== Night ===== Opening postponed due to high humidity and cloudy sky. 04:37:24 boss exposure 900 sec file=0394237 dark 04:53:43 boss exposure 900 sec file=0394238 dark 05:10:02 boss exposure 900 sec file=0394239 dark The snow slowly falling, the humidity is high. There is no hope to observe tonight. Calibrations started. 10:27:29 apogee exposure file= apRaw-54870011 60 B Dark 10:38:06 apogee exposure file= apRaw-54870012 60 B Dark ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.0990 0.1030 Axial B: -0.0310 -0.0250 Axial C: -0.1810 -0.1740 Trans D: -0.0220 -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: -7.6420 -7.6390 Axial B: -7.5410 -7.5320 Axial C: -7.5260 -7.5280 Trans D: 0.2060 0.1940 GALILS Commanded: 2256750 2260050 2248850 -1750 -1700 Actual: 2216674 2226778 2200529 -1750 -1700 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1757.0 7.9 1.5 -39.31 35.18 ---- Telescope Status ---- Never opened. No interlocks bypassed Status at: 11:09Z 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 152 lbs, 22 psi FPS Status ========== CP10 Loop = 8.37 L/min GFA Loop = 2.59 L/min Supply pressure = 45.6 psi Return pressure = 29.4 psi Chiller Status ============== Set temperarature = 1.0 C Flow = 4.9 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 STUIAdditions : FAILED 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 486G 1.6T 24% /home /dev/sdd1 22T 16T 5.1T 76% /data ---- APOGEE Data Summary ---- Last morning's exposures look good: 61048 11 11:59 54860011 Dark 60 B 13.5 ---------- a-b-c - - 61048 12 12:10 54860012 Dark 60 B 13.5 ---------- a-b-c - - 61048 13 12:20 54860013 Dark 60 B 13.5 ---------- a-b-c - - 61048 14 12:22 54860014 QuarFlat 10 B 13.5 ---------- a-b-c - - 61048 15 12:24 54860015 QuarFlat 10 B 13.5 ---------- a-b-c - - 61048 16 12:26 54860016 QuarFlat 10 B 13.5 ---------- a-b-c - - 61048 17 12:28 54860017 Arc-Thar 12 B 13.5 ---------- a-b-c 0.90 - 61048 18 12:35 54860018 Arc-Une 40 B 13.5 ---------- a-b-c - - 61048 19 12:38 54860019 Arc-Thar 12 A 13.0 ---------- a-b-c 0.35 - 61048 20 12:45 54860020 Arc-Une 40 A 13.0 ---------- a-b-c - - 61048 21 12:50 54860021 Dark 30 A 13.0 ---------- a-b-c - - 61048 22 12:56 54860022 InteFlat 30 A 13.0 ---------- a-b-c - - 61048 23 13:01 54860023 InteFlat 30 A 13.0 ---------- a-b-c - - 61048 24 13:06 54860024 InteFlat 30 A 13.0 ---------- a-b-c - - 61048 25 13:12 54860025 Dark 30 A 13.0 ---------- a-b-c - - 61048 26 13:17 54860026 Arc---- 30 A 13.0 ---------- a-b-c - 102 FPI A 61048 27 13:23 54860027 Arc---- 30 B 13.5 ---------- a-b-c - 101 FPI B APOGEE data list, mjd=61049, all raw_data: /data/apogee/utr_cdr/61049/apRaw-*.fits archive: /data/apogee/archive/61049/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61049/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61049 1 22:30 54870001 Arc---- 3 B 13.5 ---------- a-b-c - 12 test 61049 2 22:42 54870002 Dark 60 B 13.5 ---------- a-b-c - - 61049 3 22:43 54870003 QuarFlat 10 B 13.5 ---------- a-b-c - - 61049 4 22:46 54870004 Arc-Thar 12 B 13.5 ---------- a-b-c 0.87 - 61049 5 22:53 54870005 Arc-Une 40 B 13.5 ---------- a-b-c - - 61049 6 22:55 54870006 Arc-Thar 12 A 13.0 ---------- a-b-c 0.34 - 61049 7 23:02 54870007 Arc-Une 40 A 13.0 ---------- a-b-c - - 61049 8 23:13 54870008 Dark 60 A 13.0 ---------- a-b-c - - 61049 9 23:19 54870009 Arc---- 30 A 13.0 ---------- a-b-c - 102 FPI A 61049 10 23:24 54870010 Arc---- 30 B 13.5 ---------- a-b-c - 102 FPI B 61049 11 10:37 54870011 Dark 60 B 13.5 ---------- a-b-x - - cannot read file : /data/apogee/utr_cdr/61049/apRaw-54870012.fits ------------------------------------------------------------------------------ ---- BOSS Data Summary ---- Reading FITS from /data/spectro//61049 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n Time Filename design-field cfg flav shu Exp colA colB colC Hrt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 22:30 r1-00394230 ----------- ---- bia Clo 0.0 -3341 -3324 -3307 2 22:30 b1-00394230 ----------- ---- bia Clo 0.0 -3341 -3324 -3307 3 22:35 b1-00394231 ----------- ---- dar Clo 20.0 -3341 -3324 -3307 4 22:35 r1-00394231 ----------- ---- dar Clo 20.0 -3341 -3324 -3307 5 23:31 b1-00394232 -999--999 23952 arc Lef 4.1 -3341 -3324 -3307 HART 6 23:31 r1-00394232 -999--999 23952 arc Lef 4.1 -3341 -3324 -3307 HART 7 23:32 r1-00394233 -999--999 23952 arc Rig 4.1 -3341 -3324 -3307 HART 8 23:32 b1-00394233 -999--999 23952 arc Rig 4.1 -3341 -3324 -3307 HART 9 23:33 r1-00394234 -999--999 23952 arc Out 4.1 -5431 -5412 -5395 10 23:33 b1-00394234 -999--999 23952 arc Out 4.1 -5431 -5412 -5395 11 23:35 b1-00394235 -999--999 23952 fla Out 25.1 -5431 -5412 -5395 12 23:35 r1-00394235 -999--999 23952 fla Out 25.1 -5431 -5412 -5395 13 23:43 r1-00394236 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 14 23:43 b1-00394236 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 15 04:37 b1-00394237 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 16 04:37 r1-00394237 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 17 04:53 b1-00394238 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 18 04:53 r1-00394238 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 19 05:10 r1-00394239 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 20 05:10 b1-00394239 ----------- ---- dar Clo 900.0 -5431 -5412 -5395 ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 23:32:40 2.1 -2638 4.8 -2090 -1.7 ---- Weather Log ---- Wind 1 um DIMM IRSC Time Temp C Dewp C MPH Dir Dust fwhm mean sigma 19:00 -2.3 -2.4 13.5 80.0 dpDep 19:15 -1.8 -2.0 14.4 67.5 dpDep 19:30 -2.4 -2.6 15.6 74.1 dpDep 19:45 -2.2 -2.1 16.6 39.5 dpDep 20:00 -1.9 -2.2 11.1 44.5 dpDep 20:15 -2.1 -2.6 12.7 43.9 dpDep 20:30 -1.9 -1.9 18.7 47.0 dpDep 20:45 -1.9 -2.1 18.3 28.6 dpDep 21:00 -1.9 -1.6 20.4 30.8 dpDep 21:15 -1.4 -1.1 21.8 42.5 dpDep 21:30 -1.8 -1.5 17.6 08.7 dpDep 21:45 -2.2 -2.1 14.3 06.9 dpDep 22:00 -1.9 -1.8 26.6 12.9 dpDep 22:15 -2.3 -2.4 16.1 15.5 dpDep 22:30 -2.1 -2.2 24.0 33.5 dpDep 22:45 -2.3 -2.3 20.2 43.6 dpDep 23:00 -2.4 -2.5 23.3 38.3 dpDep 23:15 -2.6 -2.8 25.2 47.4 dpDep 23:30 -2.6 -2.7 27.0 32.9 dpDep 23:45 -2.8 -2.9 27.3 07.5 dpDep 00:00 -2.8 -3.0 25.5 31.6 dpDep 00:15 -2.7 -2.8 20.1 44.0 dpDep 00:30 -3.3 -3.6 25.8 48.2 dpDep 00:45 -3.3 -3.8 22.9 50.1 dpDep 01:00 -3.3 -3.6 23.3 43.0 dpDep 01:15 -3.1 -3.3 23.5 50.6 dpDep 01:30 -3.1 -3.2 21.6 49.8 dpDep 01:45 -3.1 -3.2 24.3 55.0 dpDep 02:00 -3.1 -3.3 21.9 48.5 dpDep 02:15 -3.1 -3.3 22.2 42.8 dpDep 02:30 -3.2 -3.3 20.4 45.7 dpDep 02:45 -3.2 -3.3 26.3 24.6 dpDep 03:00 -3.1 -3.2 24.7 34.2 dpDep 03:15 -3.1 -3.2 21.0 40.1 dpDep 03:30 -3.1 -3.3 23.1 60.7 dpDep 03:45 -3.1 -3.2 24.8 66.8 dpDep 04:00 -3.3 -3.3 28.7 38.8 dpDep 04:15 -3.3 -3.6 24.2 39.5 dpDep 04:30 -3.4 -3.7 27.4 54.5 dpDep 04:45 -3.4 -3.6 25.7 47.8 dpDep 05:00 -3.4 -3.7 26.7 58.7 dpDep 05:15 -3.5 -3.8 31.3 45.6 dpDep 05:30 -3.6 -3.8 21.9 62.1 dpDep 05:45 -3.6 -3.8 22.8 58.5 dpDep 06:00 -3.7 -3.9 18.4 36.6 dpDep 06:15 -3.7 -3.9 24.0 55.3 dpDep 06:30 -3.4 -3.6 32.2 61.9 dpDep 06:45 -3.4 -3.6 20.4 34.7 dpDep 07:00 -3.5 -3.6 24.6 55.4 dpDep 07:15 -4.1 -4.2 25.3 51.8 dpDep 07:30 -4.6 -4.9 18.1 64.1 dpDep 07:45 -4.8 -5.1 13.5 62.4 dpDep 08:00 -4.9 -5.1 19.2 65.5 dpDep 08:15 -5.3 -5.8 14.4 72.1 dpDep 08:30 -5.3 -6.1 17.0 73.6 dpDep 08:45 -5.7 -6.2 17.6 46.5 dpDep 09:00 -5.8 -6.5 15.8 50.0 dpDep 09:15 -6.1 -6.5 21.0 44.1 dpDep 09:30 -6.2 -7.1 13.9 73.1 dpDep 09:45 -6.2 -6.7 24.0 37.8 dpDep 10:00 -6.3 -6.8 16.2 24.3 dpDep 10:15 -6.8 -7.4 13.3 32.3 dpDep 10:30 -7.4 -8.4 14.0 61.6 dpDep ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61049 Fill night time in Hours below *=*=*= Total bright time : 7.1 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 7.1 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 4.6 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 4.6 *=*=*= Dark time lost to technical issues : 0