APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Thursday September 17, 2026 (SJD 61301) ---- Observing Team ---- Kaike Pan ---- Observing Plan ---- Thu 17 Sep 2026 61301 0.45 01:59 02:14 11:40 18:59 04:27 --- bright until 05:01 ( 3.8 h, w/ 1.0 h for 8 deg design), then dark ( 6.7 h)Take pointing model data during bright time if weather permits ---- Observing Summary ---- The Night is lost to rain, high humidity, high dust (at the end of the night). BOSS monthly checkout was done. ---- Observing Log ---- Afternoon: ========== BOSS collimation was checked, no adjustment made. 23:14:57 Hartmann collimate output sp1: offset: r= -989 (In Focus); b= -1.2 (In Focus) sp1: pred. move: spAverageMove= -302 sp1: pred. resid: r= -687, b= -2.2, txt= OK, spTemp = 10.4 APOGEE evening, BOSS cal, fvc dark, GFA bias, dark, flat were taken, checked, and confirmed good. Restarted cherno. Enabled robot 1126 back, exercised all robots twice, and confirmed working well. Utility power came back on at 23:50Z. No evening ventilation due to near radar and threaten clouds. Night: ====== 04:05Z: it is still raining. Start BOSS monthly checkout. 25 biases: 04:08:42 boss exposure 0.0, file=404702 ---- 4:40:45 boss exposure 0.0, file=404726 3 dark: 4:42:40 boss exposure 900.0, file=404727 - file=404729. Bias and dark frames are checked, they looks fine. Actually, r1 CR smearing features seem not as bad as they were before. ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: -5.4290 -5.4280 Axial B: -5.0480 -5.0490 Axial C: -5.2770 -5.2770 Trans D: -0.8720 -0.8730 Lateral E: 0.3240 0.3240 Lateral F: 0.5330 0.5330 GALILS Commanded: 11450 -1050 5900 26550 -14400 -13850 Actual: 11450 -1050 5900 26550 -14400 -13850 SETMIR VALUES PrimDesOrient: 0.0 -43.05 -8.77 -751.82 -556.2 PrimOrient: -1.06 -43.05 -8.77 -751.82 -556.2 SECONDARY: ---------- Focus: 0.0000 Air temp: 0.00 Altitude: 30.0 MIGS TONIGHT NOMINAL Axial A: -7.9570 -7.9570 Axial B: -6.1080 -6.1070 Axial C: -6.0780 -6.0780 Trans D: 0.1940 0.2040 GALILS Commanded: 354850 373650 336700 -1500 1800 Actual: 321964 349996 299571 -1500 1800 SETMIR VALUES SecDesOrient: 257.0 14.2 5.9 -72.0 -12.76 SecOrient: 257.0 14.21 5.88 -71.8 -12.63 ---- Telescope Status ---- N/A Started ventilation N/A encl25m : open N/A encl25m : closed No interlocks bypassed Status at: 11:50Z 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 217 lbs, 22.7 psi ---- Software Used ---- -- STUI software: STUI : 1.7.21 alerts : 2.3.0 boss : 6.0.5a1 -boss.specMec : 3.0.4 apo : 4.1.0 fliswarm : 0.7.0 jaeger : 1.11.2a1 kaiju : 1.4.1 coordio : 1.18.1 fps_calibrati : 2025.12.04 cherno : 1.2.2 astrometrynet : 0.97 hal : 1.4.1 hartmann : 2.0.2 hub : 5.0.1a0 mcp : 2.3.1 -mcp.plc : 35 -mcp.azFiduci : v1_154 -mcp.altFiduc : v1_154 -mcp.rotFiduc : v1_154 tcc : 1.4.0 apogee : not availble apogeecal : not availble apogeeql : 2.0.0a0 STUIAdditions : FAILED Boson : 0.7.0 sdss-obstools : 3.9.3 TPM : 1.2-31-gd7eb MCP : 2.3.1 PLC : V35 Fiducials : v1_154 idlspec2d : 6.3.0dev Kronos : 2.1.0a roboscheduler : 2.1.0 ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61301 Fill night time in Hours below *=*=*= Total bright time : 3.8 *=*=*= Bright time, queued observations : 0 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 3.8 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 6.7 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 6.7 *=*=*= Dark time lost to technical issues : 0