APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Thursday April 30, 2026 (SJD 61161) ---- Observing Team ---- Conner Scoresby ---- Observing Plan ---- Thu 30 Apr 2026 61161 1.00 02:42 02:58 11:02 10:31 18:36 Night bright ( 9.1 h, w/ 1.1 h for 8 deg design) ---- Observing Summary ---- There was never much hope for opening. The clouds remained and by the second half the rain was falling on site. As of 10:44Z we were getting sleet or even wet clumpy snowfall. ---- Observing Log ---- 23:50Z Tested actors, all systems live. APOGEE evening calibrations started. Mirror numbers taken, all within spec. 00:02:15 BOSS expNum=400626, expTime= 0.0s 00:03:53 BOSS expNum=400627, expTime= 20.0s 00:05:46 BOSS expNum=400628, expTime= 4.0s 00:06:26 BOSS expNum=400629, expTime= 4.0s 00:07:07 sp1.motor.move= -467, -468, -468 00:07:07 Hartmann collimate output sp1: offset: r= -1319 (Out of focus); b= -1.2 (In Focus) sp1: pred. move: spAverageMove= -467 sp1: pred. resid: r= -852, b= -2.7, txt= OK, spTemp = 5.5 No focus ring adjustments 00:08:05 BOSS expNum=400630, expTime= 4.0s 00:09:54 BOSS expNum=400631, expTime= 25.0s 00:10Z FPS powered on, array is folded. Loaded a manual configuration. **************************************************************** 00:13:19 Field-Design-Configuration: -999--999-26323 **************************************************************** 00:13:29 CmdStarted: FVC loop 00:13:56 CmdDone: FVC loop FVC loop results: fvc_rms= 37.02 fvc_deltarms= None fvc_filename=/data/fcam/61161/fimg-fvc1n-0001.fits fvc_perc_90= 51.80 fvc_percent_reached= 1.60 fvc iterations= 1 00:15Z FVC bias taken, confirmed no bright spots. 00:16Z Exercised positioners, no issues reported. 01:10Z Ventilation postponed. Finished APOGEE evening calibrations: ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61161 1 23:51 55990001 Dark 3 B 13.5 ---------- a-b-c - - 61161 2 00:03 55990002 Dark 60 B 13.5 ---------- a-b-c - - 61161 3 00:05 55990003 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61161 4 00:07 55990004 Arc-Thar 12 B 13.5 ---------- a-b-c 2.10 101 61161 5 00:14 55990005 Arc-Une 40 B 13.5 ---------- a-b-c 2.15 98 61161 6 00:16 55990006 Arc-Thar 12 A 13.0 ---------- a-b-c 1.59 101 61161 7 00:24 55990007 Arc-Une 40 A 13.0 ---------- a-b-c 1.62 99 61161 8 00:35 55990008 Dark 60 A 13.0 ---------- a-b-c - - 61161 9 00:40 55990009 Arc---- 30 A 13.0 ---------- a-b-c - 101 FPI A 61161 10 00:46 55990010 Arc---- 30 B 13.5 ---------- a-b-c - 100 FPI B ------------------------------------------------------------------------------ 01:40Z Opening postponed. Heavy cloud cover and lots and lots of radar headed inbound. 10:41Z Night called. FPS is folded and powered off. APOGEE morning calibrations started. 10:46:01 BOSS expNum=400632, expTime= 4.0s 10:47:38 BOSS expNum=400633, expTime= 25.0s 10:49:36 BOSS expNum=400634, expTime= 900.0s ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.0040 0.0030 Axial B: -0.0280 -0.0300 Axial C: -0.0260 -0.0280 Trans D: -0.0190 -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: -7.6420 -7.6400 Axial B: -7.5370 -7.5350 Axial C: -7.5280 -7.5270 Trans D: 0.1940 0.1960 GALILS Commanded: 2247200 2247300 2242300 -1750 -1700 Actual: 2215754 2225480 2199320 -1750 -1700 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.99 7.91 1.45 -39.34 35.17 ---- Telescope Status ---- Closed all night No interlocks bypassed Status at: 10:50Z 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 147 lbs, 22.7 psi FPS Status ========== CP10 Loop = 7.42 L/min GFA Loop = 2.39 L/min Supply pressure = 44.8 psi Return pressure = 29.6 psi Chiller Status ============== Set temperarature = 6.4 C Flow = 4.9 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 : 1.11.1 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 : 0.6.0 --------------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 ---- APOGEE data list, mjd=61161, all raw_data: /data/apogee/utr_cdr/61161/apRaw-*.fits archive: /data/apogee/archive/61161/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61161/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61161 1 23:51 55990001 Dark 3 B 13.5 ---------- a-b-c - - 61161 2 00:03 55990002 Dark 60 B 13.5 ---------- a-b-c - - 61161 3 00:05 55990003 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61161 4 00:07 55990004 Arc-Thar 12 B 13.5 ---------- a-b-c 2.10 101 61161 5 00:14 55990005 Arc-Une 40 B 13.5 ---------- a-b-c 2.15 98 61161 6 00:16 55990006 Arc-Thar 12 A 13.0 ---------- a-b-c 1.59 101 61161 7 00:24 55990007 Arc-Une 40 A 13.0 ---------- a-b-c 1.62 99 61161 8 00:35 55990008 Dark 60 A 13.0 ---------- a-b-c - - 61161 9 00:40 55990009 Arc---- 30 A 13.0 ---------- a-b-c - 101 FPI A 61161 10 00:46 55990010 Arc---- 30 B 13.5 ---------- a-b-c - 100 FPI B ------------------------------------------------------------------------------ ---- BOSS Data Summary ---- Reading FITS from /data/spectro//61161 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n Time Filename design-field cfg flav shu Exp colA colB colC Hrt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 00:02 b1-00400626 ----------- ---- bia Clo 0.0 -770 -711 -700 2 00:02 r1-00400626 ----------- ---- bia Clo 0.0 -770 -711 -700 3 00:03 r1-00400627 ----------- ---- dar Clo 20.0 -770 -711 -700 4 00:03 b1-00400627 ----------- ---- dar Clo 20.0 -770 -711 -700 5 00:05 r1-00400628 -999--999 26322 arc Lef 4.1 -770 -711 -700 HART 6 00:05 b1-00400628 -999--999 26322 arc Lef 4.1 -770 -711 -700 HART 7 00:06 b1-00400629 -999--999 26322 arc Rig 4.1 -770 -711 -700 HART 8 00:06 r1-00400629 -999--999 26322 arc Rig 4.1 -770 -711 -700 HART 9 00:08 r1-00400630 -999--999 26322 arc Out 4.1 -1237 -1179 -1168 10 00:08 b1-00400630 -999--999 26322 arc Out 4.1 -1237 -1179 -1168 11 00:09 b1-00400631 -999--999 26322 fla Out 25.1 -1237 -1179 -1168 12 00:09 r1-00400631 -999--999 26322 fla Out 25.1 -1237 -1179 -1168 ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 00:07:00 5.5 -1319 -1.2 -467 -2.7 ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61161 Fill night time in Hours below *=*=*= Total bright time : 9.1 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 9.1 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 0 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 0 *=*=*= Dark time lost to technical issues : 0 Thu 30 Apr 2026 61161 1.00 02:42 02:58 11:02 10:31 18:36 Night bright ( 9.1 h, w/ 1.1 h for 8 deg design)