APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Wednesday May 13, 2026 (SJD 61174) ---- Observing Team ---- Conner Scoresby ---- Observing Plan ---- Wed 13 May 2026 61174 0.09 02:53 03:10 10:48 11:35 19:13 --- dark ( 7.6 h) plus 1.2 h for 8 deg design ---- Observing Summary ---- We had some unexpected rain all throughout the county for most of the night. We did get some rainfall on site, but not for very long. Interfering clouds replaced the radar once it cleared up at the end of the night. We did not open tonight. Notes: 1. Dust collected ~4000 dust-hours ---- Observing Log ---- Afternoon disk space check: /dev/sdb1 2.0T 502G 1.6T 25% /home /dev/sdd1 22T 14T 7.2T 66% /data 23:30Z Tested actors, all systems live. APOGEE evening calibrations started. Mirror numbers taken, all within spec. 23:35:00 BOSS expNum=401133, expTime= 0.0s 23:36:27 BOSS expNum=401134, expTime= 20.0s 23:39:50 BOSS expNum=401135, expTime= 4.0s 23:41:27 BOSS expNum=401136, expTime= 4.0s 23:42:07 BOSS expNum=401137, expTime= 4.0s 23:42:47 sp1.motor.move= 345, 346, 345 23:42:47 Hartmann collimate output sp1: offset: r= -659 (In Focus); b= -4.2 (Out of focus) sp1: pred. move: spAverageMove= 345 sp1: pred. resid: r= -1004, b= -3.1, txt= OK, spTemp = 9.6 23:43:26 BOSS expNum=401138, expTime= 25.0s 23:48Z FPS powered on, array is folded. Loaded a manual folded configuration: **************************************************************** 23:49:32 Field-Design-Configuration: -999--999-26496 **************************************************************** 23:49:55 CmdStarted: FVC loop 23:50:22 CmdDone: FVC loop FVC loop results: fvc_rms= 32.72 fvc_deltarms= 30.9 fvc_filename=/data/fcam/61174/fimg-fvc1n-0001.fits fvc_perc_90= 46.80 fvc_percent_reached= 3.60 fvc iterations= 1 23:52Z FVC bias taken, confirmed no bright spots. 01:10Z Ventilation delayed due to radar. Finished APOGEE evening calibrations: ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61174 1 23:30 56120001 Dark 3 B 13.5 ---------- a-b-c - - 61174 2 23:41 56120002 Dark 60 B 13.5 ---------- a-b-c - - 61174 3 23:43 56120003 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61174 4 23:45 56120004 Arc-Thar 12 B 13.5 ---------- a-b-c 2.08 101 61174 5 23:52 56120005 Arc-Une 40 B 13.5 ---------- a-b-c 2.14 96 61174 6 23:55 56120006 Arc-Thar 12 A 13.0 ---------- a-b-c 1.59 100 61174 7 00:02 56120007 Arc-Une 40 A 13.0 ---------- a-b-c 1.62 97 61174 8 00:13 56120008 Dark 60 A 13.0 ---------- a-b-c - - 61174 9 00:18 56120009 Arc---- 30 A 13.0 ---------- a-b-c - 100 FPI A 61174 10 00:24 56120010 Arc---- 30 B 13.5 ---------- a-b-c - 100 FPI B ------------------------------------------------------------------------------ 01:49Z Opening delayed due to radar. 09:25Z Ventilation started. Radar looks like it might clear in time, but there's still some cloud cover. 11:04Z Ventilation halted. 11:08Z FPS is folded and powered off. 11:10:21 BOSS expNum=401139, expTime= 25.0s 11:12:23 BOSS expNum=401140, expTime= 4.0s 11:14:05 BOSS expNum=401141, expTime= 900.0s 11:20Z APOGEE morning calibrations started. ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.0080 0.0030 Axial B: -0.0250 -0.0300 Axial C: -0.0210 -0.0280 Trans D: -0.0170 -0.0230 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: -7.6390 -7.6400 Axial B: -7.5320 -7.5350 Axial C: -7.5300 -7.5270 Trans D: 0.2030 0.1960 GALILS Commanded: 2240250 2234450 2231100 -1800 -1750 Actual: 2215471 2225386 2199408 -1800 -1750 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.88 7.83 1.52 -39.29 36.39 ---- Telescope Status ---- Closed all night No interlocks bypassed Status at: 11:16Z Telescope stowed at: 121.0, 30.0, 0.0 mount Instrument mounted: FPS Counterweights at: LN2 autofill systems: Connected and turned on 180L LN2 dewar scales: SP1 144 lbs, 20.3 psi FPS Status ========== CP10 Loop = 7.53 L/min GFA Loop = 2.32 L/min Supply pressure = 43.9 psi Return pressure = 29.6 psi Chiller Status ============== Set temperarature = 14.5 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 : 1.11.2a1 kaiju : 1.4.1 coordio : 1.18.1 fps_calibrati : 2025.12.04 cherno : 1.2.2 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 : 0.6.1 --------------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 ---- APOGEE Data Summary ---- APOGEE data list, mjd=61174, all raw_data: /data/apogee/utr_cdr/61174/apRaw-*.fits archive: /data/apogee/archive/61174/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61174/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61174 1 23:30 56120001 Dark 3 B 13.5 ---------- a-b-c - - 61174 2 23:41 56120002 Dark 60 B 13.5 ---------- a-b-c - - 61174 3 23:43 56120003 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61174 4 23:45 56120004 Arc-Thar 12 B 13.5 ---------- a-b-c 2.08 101 61174 5 23:52 56120005 Arc-Une 40 B 13.5 ---------- a-b-c 2.14 96 61174 6 23:55 56120006 Arc-Thar 12 A 13.0 ---------- a-b-c 1.59 100 61174 7 00:02 56120007 Arc-Une 40 A 13.0 ---------- a-b-c 1.62 97 61174 8 00:13 56120008 Dark 60 A 13.0 ---------- a-b-c - - 61174 9 00:18 56120009 Arc---- 30 A 13.0 ---------- a-b-c - 100 FPI A 61174 10 00:24 56120010 Arc---- 30 B 13.5 ---------- a-b-c - 100 FPI B ------------------------------------------------------------------------------ ---- BOSS Data Summary ---- Reading FITS from /data/spectro//61174 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n Time Filename design-field cfg flav shu Exp colA colB colC Hrt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 23:35 b1-00401133 ----------- ---- bia Clo 0.0 2427 2478 2494 2 23:35 r1-00401133 ----------- ---- bia Clo 0.0 2427 2478 2494 3 23:36 r1-00401134 ----------- ---- dar Clo 20.0 2427 2478 2494 4 23:36 b1-00401134 ----------- ---- dar Clo 20.0 2427 2478 2494 5 23:39 b1-00401135 755290-103238 26495 arc Out 4.1 2427 2478 2494 6 23:39 r1-00401135 755290-103238 26495 arc Out 4.1 2427 2478 2494 7 23:41 r1-00401136 755290-103238 26495 arc Lef 4.1 2427 2478 2494 HART 8 23:41 b1-00401136 755290-103238 26495 arc Lef 4.1 2427 2478 2494 HART 9 23:42 b1-00401137 755290-103238 26495 arc Rig 4.1 2427 2478 2494 HART 10 23:42 r1-00401137 755290-103238 26495 arc Rig 4.1 2427 2478 2494 HART 11 23:43 b1-00401138 755290-103238 26495 fla Out 25.1 2772 2824 2839 12 23:43 r1-00401138 755290-103238 26495 fla Out 25.1 2772 2824 2839 13 11:10 r1-00401139 -999--999 26496 fla Out 25.1 2772 2824 2839 14 11:10 b1-00401139 -999--999 26496 fla Out 25.1 2772 2824 2839 15 11:12 r1-00401140 -999--999 26496 arc Out 4.1 2772 2824 2839 16 11:12 b1-00401140 -999--999 26496 arc Out 4.1 2772 2824 2839 ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 23:42:40 9.9 -659 -4.2 345 -3.1 ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61174 Fill night time in Hours below *=*=*= Total bright time : 1.2 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 1.2 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 7.6 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 7.6 *=*=*= Dark time lost to technical issues : 0 Wed 13 May 2026 61174 0.09 02:53 03:10 10:48 11:35 19:13 --- dark ( 7.6 h) plus 1.2 h for 8 deg design