APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Saturday April 11, 2026 (SJD 61142) ---- Observing Team ---- Dmitry Bizyaev ---- Observing Plan ---- Sat 11 Apr 2026 61142 0.30 02:25 02:40 11:26 08:58 17:46 --- dark ( 8.8 h) plus 1.1 h for 8 deg design ---- Observing Summary ---- The entire night was lost to clouds, radars, and high humidity. ---- Observing Log ---- Afternoon ========= All systems checked and no problems found. The BOSS collimation looks OK, not adjusted: 00:32:30 Hartmann collimate output sp1: offset: r= -1979 (Out of focus); b= 1.8 (In Focus) sp1: pred. move: spAverageMove= -1278 sp1: pred. resid: r= -700, b= -2.2, txt= OK, spTemp = 5.7 wPositions = 33 32 33 32; MCP instr = 10 (mounted); ---------- motorPosition sp1: -1321, -1272, -1251; ---------- Median spectrographs temperatures: Tsp1= 5.7 Outside air temperature= 0.0; ---------- Boss CCD Temp : sp1r0= -126.2 (-126.6); sp1b2= -101.2 (-100.0); sp1LN2: 10.0; ---------- Apogee: vacuum = 5.81e-07 ( < 1.1e-06 ) ln2Level = 92.95 ( > 85 ) ---------- Weather: Humidity = 60.0 % AirTemp = 7.0 C, DpTemp = -0.2 C diff= 7.2 C wind25m = 12.3 mph, direction = 227.1 deg ---------- semOwner = TCC:0:0 stuiVer=(1.7.19 2023-01-12), pid = 802 memory = 559 MB ---------- Jaeger disabled robots: 572, 647, 973, 986, 1039 There are 5 disabled robots 00:23:44 apogee exposure file= apRaw-55800001 3 B ArcLamp 00:24:05 boss exposure 0 sec file=0399875 bias ======================================================= =====>>>>> 00:24:29 Config Loaded: -999--999-26073 ======================================================= 00:25:04 FVC exposure image /data/fcam/61142/proc-fimg-fvc1n-0001.fits 00:25:03 fvc_perc_90= 50.6 fvc_percent_reached= 2.6 fvc_rms= 36.38 00:25:36 apogee exposure file= apRaw-55800002 60 B Dark 00:26:06 boss exposure 20 sec file=0399876 dark 00:30:29 boss exposure 4 sec file=0399877 arc 00:31:09 boss exposure 4 sec file=0399878 arc 00:32:25 Hartmann: offset r= -1979 (Out of focus) b = 1.8 (In Focus) pred_move = -1278 pred_resid r= -700 b= -2.2 cmnt=OK 00:32:57 boss exposure 4 sec file=0399879 arc 00:34:29 boss exposure 25 sec file=0399880 flat Ventilation postponed because of radar returns over the site. 00:36:28 apogee exposure file= apRaw-55800003 10 B QuartzFlat 00:38:21 apogee exposure file= apRaw-55800004 12 B ArcLamp 00:40:33 apogee exposure file= apRaw-55800005 40 B ArcLamp 00:47:51 apogee exposure file= apRaw-55800006 12 A ArcLamp 00:50:04 apogee exposure file= apRaw-55800007 40 A ArcLamp 00:57:30 apogee exposure file= apRaw-55800008 60 A Dark 01:08:21 apogee exposure file= apRaw-55800009 30 A ArcLamp 01:13:45 apogee exposure file= apRaw-55800010 30 B ArcLamp ===== Night ===== Opening postponed dues to cloudy sky and radars around. 02:44:22 boss exposure 900 sec file=0399881 dark 03:00:56 boss exposure 900 sec file=0399882 dark 03:38:02 boss exposure 900 sec file=0399883 dark There was no chance to open because of clouds, radars, and high humidity. 11:43Z calibrations started. [ (55800001, 3, 3, '/data/apogee/raw/61142/apRaw-55800001-001.fits', 'ARCLAMP', 'None', '', '26072', '-999', '-999', 32.041, '2026-04-12T00:23:44.434', 'Podium', 'Closed', 'Closed', 61142, 'APO', 13.499)] problem with exposure: 55800001 num field design config exptype dithpix nread relflux okay dx dy sigx sigy fpi1 fpi2 -------- ----- ------ ------ ------------ ------- ----- ------- ----- ------- ------- ------ ------ ---- ---- 55800001 -999 -999 26072 ARCLAMP-None 13.5 3 0 False 0.00 0.00 0.00 0.00 0 0 55800002 -999 -999 26073 DARK 13.5 60 -33 True -- -- -- -- -- -- 55800003 -999 -999 26073 QUARTZFLAT 13.5 10 112 True -- 0.67 -- 0.86 -- -- 55800004 -999 -999 26073 ARCLAMP-THAR 13.5 12 0 True -4.05 -5.03 1.19 0.77 -- -- 55800005 -999 -999 26073 ARCLAMP-UNE 13.5 40 35 True 9.03 -0.88 0.35 0.43 -- -- 55800006 -999 -999 26073 ARCLAMP-THAR 13.0 12 99 True 24.25 -5.23 1.08 0.73 -- -- 55800007 -999 -999 26073 ARCLAMP-UNE 13.0 40 2 True -10.38 -5.09 0.30 0.90 -- -- 55800008 -999 -999 26073 DARK 13.0 60 -5 True -- -- -- -- -- -- 55800009 -999 -999 26073 FPI 13.0 30 238 True 11.09 -5.18 1.13 0.91 -- -- 55800010 -999 -999 26073 FPI 13.5 30 237 True -0.76 -5.19 1.10 0.89 -- -- num exptype nread mtp1 mtp2 mtp3 mtp4 mtp5 mtp6 mtp7 mtp8 mtp9 mtp10 -------- ---------- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- 55800003 QUARTZFLAT 10 74 79 90 101 101 95 96 99 100 91 ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.0040 0.0050 Axial B: -0.0290 -0.0270 Axial C: -0.1770 -0.1760 Trans D: -0.0180 -0.0200 Lateral E: 0.3400 0.3400 Lateral F: 0.5475 0.5475 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: -7.6410 -7.6400 Axial B: -7.5360 -7.5330 Axial C: -7.5280 -7.5280 Trans D: 0.2050 0.1940 GALILS Commanded: 2248450 2247400 2240750 -1750 -1700 Actual: 2215653 2225285 2199320 -1750 -1700 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.88 7.83 1.43 -39.35 35.23 ---- Telescope Status ---- Not opened. No interlocks bypassed Status at: 11:46Z 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 218 lbs, 20 psi ---- 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_153 -mcp.altFiduc : v1_153 -mcp.rotFiduc : v1_153 tcc : 1.4.0 apogee : not availble apogeecal : not availble apogeeql : v1_7_0dev 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 /dev/sdb1 2.0T 498G 1.6T 25% /home /dev/sdd1 22T 15T 6.8T 68% /data ---- APOGEE Data Summary ---- Last morning's calibrations look good. 61141 11 05:53 55790011 Dark 60 B 13.5 ---------- a-b-c - - 61141 12 06:04 55790012 Dark 60 B 13.5 ---------- a-b-c - - 61141 13 06:15 55790013 Dark 60 B 13.5 ---------- a-b-c - - 61141 14 06:17 55790014 QuarFlat 10 B 13.5 ---------- a-b-c - 103 61141 15 06:19 55790015 QuarFlat 10 B 13.5 ---------- a-b-c - 103 61141 16 06:20 55790016 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61141 17 06:23 55790017 Arc-Thar 12 B 13.5 ---------- a-b-c 1.61 100 61141 18 06:30 55790018 Arc-Une 40 B 13.5 ---------- a-b-c 1.65 98 61141 19 06:32 55790019 Arc-Thar 12 A 13.0 ---------- a-b-c 1.11 102 61141 20 06:39 55790020 Arc-Une 40 A 13.0 ---------- a-b-c 1.14 99 61141 21 06:45 55790021 Dark 30 A 13.0 ---------- a-b-c - - 61141 22 06:50 55790022 InteFlat 30 A 13.0 ---------- a-b-c - - 61141 23 06:55 55790023 InteFlat 30 A 13.0 ---------- a-b-c - - 61141 24 07:01 55790024 InteFlat 30 A 13.0 ---------- a-b-c - - 61141 25 07:06 55790025 Dark 30 A 13.0 ---------- a-b-c - - 61141 26 07:12 55790026 Arc---- 30 A 13.0 ---------- a-b-c - 100 FPI A 61141 27 07:17 55790027 Arc---- 30 B 13.5 ---------- a-b-c - 100 FPI B ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61142 Fill night time in Hours below *=*=*= Total bright time : 1.1 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 1.1 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 8.8 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 8.8 *=*=*= Dark time lost to technical issues : 0