APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Wednesday April 29, 2026 (SJD 61160) ---- Observing Team ---- Conner Scoresby ---- Observing Plan ---- Wed 29 Apr 2026 61160 0.98 02:41 02:57 11:03 10:26 18:33 Day bright ( 9.2 h, w/ 1.1 h for 8 deg design) ---- Observing Summary ---- The night was lost to weather. There was heavy cloud cover from afternoon through the end of the night, and the radar appeared in the second half. ---- Observing Log ---- Afternoon disk space check: /dev/sdb1 2.0T 502G 1.6T 25% /home /dev/sdd1 22T 14T 7.1T 67% /data 23:24Z Tested actors, all systems live. APOGEE evening calibrations started. Mirror numbers taken, all within spec. Start-of-shift cherno subsystem restart completed. 23:26:56 BOSS expNum=400615, expTime= 0.0s BIAS excellent 23:28:34 BOSS expNum=400616, expTime= 20.0s DARK excellent 23:33:00 BOSS expNum=400619, expTime= 4.0s 23:33:40 BOSS expNum=400620, expTime= 4.0s 23:34:23 sp1.motor.move= 1972, 1972, 1972 23:34:23 Hartmann collimate output sp1: offset: r= 989 (In Focus); b= -9.3 (Out of focus) sp1: pred. move: spAverageMove= 1972 sp1: pred. resid: r= -983, b= -3.1, txt= OK, spTemp = 6.2 No focus ring adjustments 23:35:03 BOSS expNum=400621, expTime= 4.0s ARC excellent 23:36:47 BOSS expNum=400622, expTime= 25.0s FLAT excellent 23:38Z FPS powered on, array is folded. Loaded a manual folded configuration. **************************************************************** 23:39:20 Field-Design-Configuration: -999--999-26322 **************************************************************** 23:41:32 CmdStarted: FVC loop 23:41:59 CmdDone: FVC loop FVC loop results: fvc_rms= 36.57 fvc_deltarms= None fvc_filename=/data/fcam/61160/fimg-fvc1n-0002.fits fvc_perc_90= 50.90 fvc_percent_reached= 2.20 fvc iterations= 1 23:41Z FVC bias taken, confirmed no bright spots. 23:44Z Exercised positioners. No issues reported. 00:40Z Ventilation postponed due to inclement weather. Finished APOGEE evening calibrations: ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61160 1 23:18 55980001 Dark 3 B 13.5 ---------- a-b-c - - 61160 2 23:35 55980002 Dark 60 B 13.5 ---------- a-b-c - - 61160 3 23:37 55980003 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61160 4 23:39 55980004 Arc-Thar 12 B 13.5 ---------- a-b-c 2.10 101 61160 5 23:47 55980005 Arc-Une 40 B 13.5 ---------- a-b-c 2.14 99 61160 6 23:49 55980006 Arc-Thar 12 A 13.0 ---------- a-b-c 1.60 100 61160 7 23:56 55980007 Arc-Une 40 A 13.0 ---------- a-b-c 1.62 98 61160 8 00:07 55980008 Dark 60 A 13.0 ---------- a-b-c - - 61160 9 00:13 55980009 Arc---- 30 A 13.0 ---------- a-b-c - 99 FPI A 61160 10 00:18 55980010 Arc---- 30 B 13.5 ---------- a-b-c - 98 FPI B ------------------------------------------------------------------------------ 01:40Z Opening postponed due to inclement weather. 06:00Z Opaque clouds persist, and now substantial radar over the entire county. 10:36Z Night called. FPS is folded and powered off. APOGEE morning calibrations started. 10:38:44 BOSS expNum=400623, expTime= 4.0s 10:40:23 BOSS expNum=400624, expTime= 25.0s 10:42:17 BOSS expNum=400625, expTime= 900.0s ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.0040 0.0030 Axial B: -0.0290 -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: -7.6410 -7.6400 Axial B: -7.5350 -7.5350 Axial C: -7.5280 -7.5270 Trans D: 0.1970 0.1960 GALILS Commanded: 2247350 2244700 2240950 -1750 -1700 Actual: 2215578 2225342 2199433 -1750 -1700 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.91 7.89 1.49 -39.31 35.18 ---- Telescope Status ---- Closed all night No interlocks bypassed Status at: 10:42Z 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 195 lbs, 21.7 psi FPS Status ========== CP10 Loop = 7.40 L/min GFA Loop = 2.45 L/min Supply pressure = 44.5 psi Return pressure = 29.8 psi Chiller Status ============== Set temperarature = 9.1 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=61160, all raw_data: /data/apogee/utr_cdr/61160/apRaw-*.fits archive: /data/apogee/archive/61160/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61160/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61160 1 23:18 55980001 Dark 3 B 13.5 ---------- a-b-c - - 61160 2 23:35 55980002 Dark 60 B 13.5 ---------- a-b-c - - 61160 3 23:37 55980003 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61160 4 23:39 55980004 Arc-Thar 12 B 13.5 ---------- a-b-c 2.10 101 61160 5 23:47 55980005 Arc-Une 40 B 13.5 ---------- a-b-c 2.14 99 61160 6 23:49 55980006 Arc-Thar 12 A 13.0 ---------- a-b-c 1.60 100 61160 7 23:56 55980007 Arc-Une 40 A 13.0 ---------- a-b-c 1.62 98 61160 8 00:07 55980008 Dark 60 A 13.0 ---------- a-b-c - - 61160 9 00:13 55980009 Arc---- 30 A 13.0 ---------- a-b-c - 99 FPI A 61160 10 00:18 55980010 Arc---- 30 B 13.5 ---------- a-b-c - 98 FPI B ------------------------------------------------------------------------------ ---- BOSS Data Summary ---- Reading FITS from /data/spectro//61160 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n Time Filename design-field cfg flav shu Exp colA colB colC Hrt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 23:26 b1-00400615 ----------- ---- bia Clo 0.0 -2742 -2683 -2672 2 23:26 r1-00400615 ----------- ---- bia Clo 0.0 -2742 -2683 -2672 3 23:28 r1-00400616 ----------- ---- dar Clo 20.0 -2742 -2683 -2672 4 23:28 b1-00400616 ----------- ---- dar Clo 20.0 -2742 -2683 -2672 5 23:30 b1-00400617 -999--999 26321 arc Lef 4.1 -2742 -2683 -2672 HART 6 23:30 r1-00400617 -999--999 26321 arc Lef 4.1 -2742 -2683 -2672 HART 7 23:31 r1-00400618 -999--999 26321 arc Rig 4.1 -2742 -2683 -2672 HART 8 23:31 b1-00400618 -999--999 26321 arc Rig 4.1 -2742 -2683 -2672 HART 9 23:33 b1-00400619 -999--999 26321 arc Lef 4.1 -2742 -2683 -2672 HART 10 23:33 r1-00400619 -999--999 26321 arc Lef 4.1 -2742 -2683 -2672 HART 11 23:33 b1-00400620 -999--999 26321 arc Rig 4.1 -2742 -2683 -2672 HART 12 23:33 r1-00400620 -999--999 26321 arc Rig 4.1 -2742 -2683 -2672 HART 13 23:35 b1-00400621 -999--999 26321 arc Out 4.1 -770 -711 -700 14 23:35 r1-00400621 -999--999 26321 arc Out 4.1 -770 -711 -700 15 23:36 b1-00400622 -999--999 26321 fla Out 25.1 -770 -711 -700 16 23:36 r1-00400622 -999--999 26321 fla Out 25.1 -770 -711 -700 ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 23:34:10 6.3 989 -9.3 1972 -3.1 ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61160 Fill night time in Hours below *=*=*= Total bright time : 9.2 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 9.2 *=*=*= 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 Wed 29 Apr 2026 61160 0.98 02:41 02:57 11:03 10:26 18:33 Day bright ( 9.2 h, w/ 1.1 h for 8 deg design)