APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Sunday January 25, 2026 (SJD 61066) ---- Observing Team ---- Dan Oravetz (remote) ---- Observing Plan ---- Mon 26 Jan 2026 61067 bright until 08:57 (7.5 h, w/ 0.2 h for 12 deg design), then dark (3.9 h) ---- Observing Summary ---- Twenty inches of snow on site and we're on generator power. There was no chance of opening tonight. Big thanks to JohnD for replacing the 180L dewar today - no small feat given the weather conditions! ---- Observing Log ---- ============================================================================ AFTERNOON CHECKOUT ============================================================================ All systems alive and responsive. Disk space: Filesystem Size Used Avail Use% Mounted on /dev/sdb1 2.0T 488G 1.6T 24% /home /dev/sdd1 22T 17T 4.8T 78% /data FPS powered on. Positioners are home/folded: 00:59:51 APO.doravetz 45 jaeger i folded=T 00:59:51 APO.doravetz 45 jaeger : text="All positioners are folded." 01:00:24 APO.doravetz 46 jaeger : permanently_disabled=647,986; manually_disabled=572,973,994,1126 Loaded a manual folded configuration: 01:00:40 CmdStarted: APO.doravetz 47 jaeger configuration load --from-positions 01:00:42 APO.doravetz 47 jaeger d text="Resetting cherno offsets." 01:00:42 APO.doravetz 47 jaeger d text="Focal plane scale: 1.0." 01:00:42 APO.doravetz 47 jaeger d configuration_loaded=24351,-999,-999,-999.0,-999.0,0,-999.0,-999.0,/home/sdss5/software/sdsscore/main/apo/summary_files/024XXX/0243XX/confSummary-24351.par,F 01:00:47 APO.doravetz 47 jaeger i configuration_snapshot=/data/logs/jaeger/configuration_snapshots/61066/configuration_snapshot_61066_24351.pdf 01:00:47 APO.doravetz 47 jaeger d design_preloaded=-999 01:00:47 APO.doravetz 47 jaeger : text="Configuration 24351 loaded." 01:00:47 CmdDone: APO.doravetz 47 jaeger configuration load --from-positions Took a '--no-apply' FVC image: 01:02:34 FVC Loop fvc_rms= 39.99 fvc_deltarms= 32.12 fvc_filename=/data/fcam/61066/fimg-fvc1n-0001.fits fvc_perc_90= 57.80 fvc_percent_reached= 0.60 fvc iterations= 1 Scattered-light check: 01:03:01 CmdStarted: APO.doravetz 49 fliswarm talk -n fvc expose 50 No evidence of light artifacts. GFA biases, darks, and flat: 01:10:56 CmdStarted: APO.doravetz 51 fliswarm talk -c gfa expose --bias --count 10 01:12:38 CmdStarted: APO.doravetz 52 fliswarm talk -c gfa expose --dark --count 5 5 01:13:41 CmdStarted: APO.doravetz 53 fliswarm talk -c gfa expose --flat 1 Exercised positioners: 01:16:59 CmdStarted: APO.doravetz 58 jaeger configuration random --danger 01:18:27 APO.doravetz 58 jaeger d trajectory_dump_file=/data/logs/jaeger/trajectories/61066/trajectory-61066-0004.json 01:18:28 CmdDone: APO.doravetz 58 jaeger configuration random --danger 01:18:32 .jaeger 0 jaeger i snapshot=/data/logs/jaeger/snapshots/61066/fps_snapshot_61066_0004.pdf 01:19:16 CmdStarted: APO.doravetz 59 jaeger configuration reverse No ventilation due to weather conditions. ============================================================================ NIGHT ============================================================================ Did not open due to weather conditions. No chance of opening tonight. 01:20Z - Powered-off FPS. Positioners are home/folded. 06:00Z - Started APOGEE morning cals a little early since we're not opening tonight. ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.1010 0.1030 Axial B: -0.0310 -0.0250 Axial C: -0.1810 -0.1740 Trans D: -0.0230 -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: -7.6410 -7.6390 Axial B: -7.5390 -7.5320 Axial C: -7.5250 -7.5280 Trans D: 0.2040 0.1940 GALILS Commanded: 2258300 2261800 2250600 -1750 -1750 Actual: 2215767 2225663 2199131 -1750 -1750 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.96 8.02 1.47 -38.74 35.69 ---- Telescope Status ---- Status at: 00:55Z Telescope stowed at: 121.0, 30.0, 0.0 mount Instrument mounted: FPS Counterweights at: manually adjusted for telescope balance w/ fps mounted LN2 autofill systems: Connected and turned on 180L LN2 dewar scales: SP1 276 lbs, 26 psi ---- Software Used ---- STUI : 1.7.21 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 available apogeecal : not available apogeeql : v1_7_0dev STUIAdditions : 3.1.18 boson : 0.5.1 sdss-obstools : 3.9.3 TPM : 1.2-31-gd7eb MCP : 2.3.1 PLC : V35 Fiducials : v1_152 idlspec2d : v6_2_1 Kronos : 2.1.0a roboscheduler : 2.1.0 ---- APOGEE Data Summary ---- I didn't see a record of APOGEE morning calibrations having been taken at the end of last night, but that's not necessarily surprising given the weather. (observers39) [observer@sdss5-hub: ~]$ check_ap 61066 num field design config exptype dithpix nread relflux okay dx dy sigx sigy fpi1 fpi2 -------- ----- ------ ------ ------------ ------- ----- ------- ---- ------- ------- ------ ------ ---- ---- 55040001 -999 -999 24350 DARK 13.5 3 133 True -- -- -- -- -- -- 55040002 -999 -999 24350 DARK 13.5 60 -28 True -- -- -- -- -- -- 55040003 -999 -999 24351 QUARTZFLAT 13.5 10 109 True -- 0.64 -- 0.86 -- -- 55040004 -999 -999 24351 ARCLAMP-THAR 13.5 12 90 True 23.84 1.35 1.08 0.92 -- -- 55040005 -999 -999 24351 ARCLAMP-UNE 13.5 40 3 True -10.19 -5.16 1.07 1.13 -- -- 55040006 -999 -999 24351 ARCLAMP-THAR 13.0 12 85 True 23.34 1.36 1.06 0.92 -- -- 55040007 -999 -999 24351 ARCLAMP-UNE 13.0 40 3 True -10.55 -5.13 0.75 0.86 -- -- 55040008 -999 -999 24351 DARK 13.0 60 27 True -- -- -- -- -- -- 55040009 -999 -999 24351 FPI 13.0 30 228 True -1.99 -5.19 1.10 0.89 -- -- 55040010 -999 -999 24351 FPI 13.5 30 233 True 10.81 -5.18 1.12 0.90 -- -- num exptype nread mtp1 mtp2 mtp3 mtp4 mtp5 mtp6 mtp7 mtp8 mtp9 mtp10 -------- ---------- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- 55040003 QUARTZFLAT 10 72 77 86 96 97 90 94 96 96 87 ---- BOSS Data Summary ---- Reading FITS from /data/spectro//61066 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n Time Filename design-field cfg flav shu Exp colA colB colC Hrt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 00:42 r1-00395255 ----------- ---- bia Clo 0.0 -5352 -5335 -5287 2 00:42 b1-00395255 ----------- ---- bia Clo 0.0 -5352 -5335 -5287 3 01:24 b1-00395256 -999--999 24351 arc Lef 4.1 -5352 -5335 -5287 HART 4 01:24 r1-00395256 -999--999 24351 arc Lef 4.1 -5352 -5335 -5287 HART 5 01:24 r1-00395257 -999--999 24351 arc Rig 4.1 -5352 -5335 -5287 HART 6 01:24 b1-00395257 -999--999 24351 arc Rig 4.1 -5352 -5335 -5287 HART 7 01:25 b1-00395258 -999--999 24351 arc Lef 4.1 -5979 -5963 -5915 HART 8 01:25 r1-00395258 -999--999 24351 arc Lef 4.1 -5979 -5963 -5915 HART 9 01:26 b1-00395259 -999--999 24351 arc Rig 4.1 -5979 -5963 -5915 HART 10 01:26 r1-00395259 -999--999 24351 arc Rig 4.1 -5979 -5963 -5915 HART 11 01:27 r1-00395260 -999--999 24351 arc Out 4.1 -5955 -5938 -5891 12 01:27 b1-00395260 -999--999 24351 arc Out 4.1 -5955 -5938 -5891 13 01:29 b1-00395261 -999--999 24351 fla Out 25.1 -5955 -5938 -5891 14 01:29 r1-00395261 -999--999 24351 fla Out 25.1 -5955 -5938 -5891 ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 01:25:30 1.6 -1319 -0.2 -627 -2.2 01:27:10 1.6 -659 -2.2 24 -2.1 ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61066 Fill night time in Hours below *=*=*= Total bright time : 7.5 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 7.5 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 3.9 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 3.9 *=*=*= Dark time lost to technical issues : 0