APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Sunday July 05, 2026 (SJD 61227) ---- Observing Team ---- Audrey Oravetz ---- Observing Plan ---- Sun 05 Jul 2026 61227 0.66 03:18 03:36 10:39 15:29 22:34 --- dark until 05:44 ( 2.1 h), then bright ( 6.2 h, w/ 1.3 h for 8 deg design) ---- Observing Summary ---- Tonight marked our last night of observations before the start of shutdown. Most of the night was lost due to clouds and rain, but the last hour was able to be salvaged. We observed three designs in clear skies. ---- Automatic Summary ---- Time Field-Design-Conf DesignType BOSS/APOGEE Seeing Overhead Complete? Comment 10:22:43 100989-753361-27275 bright_time 1x730/1xAB 2.1" 0:00 DONE Jaeger collision: 1226 10:40:25 104409-756292-27276 bright_time 1x730/1xAB 1.9" 5:47 DONE 10:58:23 100959-753301-27277 bright_time 1x730/1xAB 1.7" 5:25 DONE ---- Engineering Issues ---- I purposefully left the LN2 hose unhooked in preparation for the warming of the BOSS cameras. The last fill occurred around 06:40Z. ---- Observing Log ---- Afternoon: ========== 22:26:25 boss exposure 0.0, file=403293 22:30:03 boss exposure 20.0, file=403294 22:31:58 boss exposure 4.0, file=403295 22:32:38 boss exposure 4.0, file=403296 22:33:25 sp1.motor.move= -3888, -3887, -3890 22:33:25 Hartmann collimate output sp1: offset: r= -4947 (Out of focus); b= 8.9 (Out of focus) sp1: pred. move: spAverageMove= -3887 sp1: pred. resid: r= -1059, b= -3.3, txt= OK, spTemp = 9.2 22:35:34 boss exposure 4.0, file=403297 22:37:02 boss exposure 25.0, file=403298 22:38:16 Config Loaded: -999-27273 22:38:59 jaeger.jaeger 273 fliswarm i filename_bundle=/data/fcam/61227/fimg-fvc1n-0001.fits 22:38:59 jaeger.jaeger 273 fliswarm : 22:38:59 CmdDone: jaeger.jaeger 273 fliswarm talk -c fvc expose 5.0 22:40:12 APO.aoravetz2 33 fliswarm i filename_bundle=/data/fcam/61227/fimg-fvc1n-0002.fits 22:40:12 APO.aoravetz2 33 fliswarm : 22:40:12 CmdDone: APO.aoravetz2 33 fliswarm talk -n fvc expose 50 fliswarm talk -c gfa expose --bias --count 10 fliswarm talk -c gfa expose --dark --count 5 5 fliswarm talk -c gfa expose --flat 1 jaeger configuration random --danger jaeger configuration reverse (observers39) [observer@sdss5-hub: ~]$ list_ap APOGEE data list, mjd=61227, all raw_data: /data/apogee/utr_cdr/61227/apRaw-*.fits archive: /data/apogee/archive/61227/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61227/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61227 1 22:36 56650001 Dark 60 B 13.5 ---------- a-b-c - - 61227 2 22:38 56650002 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61227 3 22:40 56650003 Arc-Thar 12 B 13.5 ---------- a-b-c 2.39 102 61227 4 22:48 56650004 Arc-Une 40 B 13.5 ---------- a-b-c 2.45 95 61227 5 22:50 56650005 Arc-Thar 12 A 13.0 ---------- a-b-c 1.92 102 61227 6 22:57 56650006 Arc-Une 40 A 13.0 ---------- a-b-c 1.95 96 61227 7 23:08 56650007 Dark 60 A 13.0 ---------- a-b-c - - 61227 8 23:14 56650008 Arc---- 30 A 13.0 ---------- a-b-c - 98 FPI A 61227 9 23:19 56650009 Arc---- 30 B 13.5 ---------- a-b-c - 96 FPI B ------------------------------------------------------------------------------ Delayed ventilating due to rain/clouds. Night: ====== The clouds finally parted. 10:07:39 encl25m : open; 10:09:27 apogee.expose=apRaw-56650010, 5, B, DomeFlat 10:10:49 apogee.expose=apRaw-56650011, 5, B, DomeFlat 10:12:04 apogee.expose=apRaw-56650012, 5, B, DomeFlat (observers39) [observer@sdss5-hub: ~]$ aptest 61227 56650010 Missing Fibers: [21, 42, 88] Faint Fibers: [18, 25, 37, 43, 75, 225, 285, 291, 295, 298] (observers39) [observer@sdss5-hub: ~]$ fps_mtps_check Globally Normalized MJD DomeFlat MTPs:1 2 3 4 5 6 7 8 9 10 AZ ALT ROT 61227 56650010 0.97 1.01 1.00 1.01 1.02 1.02 0.97 1.00 1.00 0.94 60.0 60.0 60.0 61227 56650011 0.99 1.01 1.00 1.01 1.02 1.01 0.96 1.00 1.00 0.94 60.0 60.0 60.0 61227 56650012 0.99 1.00 1.00 1.01 1.02 1.01 0.96 0.99 1.00 0.94 60.0 60.0 60.0 ******************************************************** 10:12:50 Field-Design-Configuration: 100450-752223-27274 ******************************************************** 10:13:21 boss exposure 4.0, file=403299 10:14:03 boss exposure 4.0, file=403300 10:14:43 sp1.motor.move= 836, 835, 839 10:14:43 Hartmann collimate output sp1: offset: r= 0 (In Focus); b= -5.2 (Out of focus) sp1: pred. move: spAverageMove= 835 sp1: pred. resid: r= -835, b= -2.6, txt= OK, spTemp = 9.2 10:15:19 boss exposure 25.0, file=403301 10:17:06 boss exposure 25.0, file=403302 10:18:54 boss exposure 25.0, file=403303 10:19:45 GOTO-FIELD 10:20:23 Jaeger collision: 1226 ******************************************************** 10:22:43 Field-Design-Configuration: 100989-753361-27275 ******************************************************** 10:23:05 GOTO-FIELD 10:24:58 FVC LOOP AND BOSS CALS fvc_rms= 43.31 fvc_deltarms= -6.0 fvc_filename=/data/fcam/61227/fimg-fvc1n-0004.fits fvc_perc_90= 9.90 fvc_percent_reached= 57.50 10:25:41 boss exposure 4.0, file=403304 10:27:34 New-field overhead: 1 day, 0:52:18 10:27:34 START SCIENCE EXPOSURES 10:27:57 apogee.expose=apRaw-56650013, 35, B, Object 10:28:03 boss exposure 730.0, file=403305 10:34:18 apogee.expose=apRaw-56650014, 35, A, Object ******************************************************** 10:40:25 Field-Design-Configuration: 104409-756292-27276 ******************************************************** 10:40:31 GOTO-FIELD 10:43:11 FVC LOOP AND BOSS CALS fvc_rms= 7.14 fvc_deltarms= 34.9 fvc_filename=/data/fcam/61227/fimg-fvc1n-0006.fits fvc_perc_90= 9.10 fvc_percent_reached= 59.30 10:43:54 boss exposure 4.0, file=403306 10:45:32 New-field overhead: 0:05:03 10:45:55 apogee.expose=apRaw-56650015, 35, A, Object 10:46:01 boss exposure 730.0, file=403307 10:52:11 apogee.expose=apRaw-56650016, 35, B, Object ******************************************************** 10:58:23 Field-Design-Configuration: 100959-753301-27277 ******************************************************** 10:58:29 GOTO-FIELD 11:01:06 FVC LOOP AND BOSS CALS fvc_rms= 9.99 fvc_deltarms= 35.03 fvc_filename=/data/fcam/61227/fimg-fvc1n-0008.fits fvc_perc_90= 11.50 fvc_percent_reached= 52.90 11:01:49 boss exposure 4.0, file=403308 11:03:08 New-field overhead: 0:04:43 11:03:31 apogee.expose=apRaw-56650017, 35, B, Object 11:03:37 boss exposure 730.0, file=403309 11:09:52 apogee.expose=apRaw-56650018, 35, A, Object 11:16:40 apogee.expose=apRaw-56650019, 5, A, DomeFlat 11:17:55 apogee.expose=apRaw-56650020, 5, A, DomeFlat 11:19:11 apogee.expose=apRaw-56650021, 5, A, DomeFlat 11:20:23 boss exposure 25.0, file=403310 11:22:18 boss exposure 4.0, file=403311 11:27:49 boss exposure 900.0, file=403312 Closed the enclosure and stopped ventilating. DID NOT hook up the LN2 in prep for shutdown. ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A: 0.0080 0.0080 Axial B: -0.0260 -0.0250 Axial C: -0.0210 -0.0210 Trans D: 0.0050 0.0030 Lateral E: 0.3400 0.3405 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: -7.6450 -7.6450 Axial B: 0.1070 0.1090 Axial C: -7.5340 -7.5340 Trans D: -0.0020 -0.0120 GALILS Commanded: 2251800 2250550 2243750 -1750 -1750 Actual: 2215704 2225499 2199401 -1750 -1750 SETMIR VALUES SecDesOrient: 1757.0 7.9 1.5 -39.3 35.42 SecOrient: 1756.98 7.9 1.48 -38.73 35.76 ---- Focus Log ---- Time Field-Design AZ ALT ROT Focus rms ArcOffX OffY Seeing errRA[prc10,prc90] errDec[prc10,prc90] 10:28 100989-753361 -50.63 40.75 163.31 0 0.240 1 -7 2.12 -0.011[-0.306, 0.302] 0.050[-0.140, 0.181] 10:46 104409-756292 -90.74 52.60 119.61 144 0.191 -4 -1 1.98 0.006[-0.175, 0.138] -0.024[-0.125, 0.160] ---- Telescope Status ---- 10:07Z Started ventilation 10:07Z encl25m : open 11:25Z encl25m : closed No interlocks bypassed Status at: Telescope stowed at: 121.0, 30.0, 0.0 mount Instrument mounted: FPS Counterweights at: 35s LN2 autofill systems: NOT CONNECTED! 180L LN2 dewar scales: SP1 197 lbs, 0 psi FPS Status ========== CP10 Loop = 7.51 L/min GFA Loop = 2.33 L/min Supply pressure = 44.2 psi Return pressure = 30.6 psi Chiller Status ============== Set temperarature = 13.0 C Flow = 5.0 Gpm ---- Software Used ---- Get Versions, 07/05/26, 22:25:25 -- STUI software: STUI : 1.7.21 alerts : 2.3.0 boss : 6.0.5a1 -boss.specMec : 3.0.4 apo : 4.1.0 fliswarm : 0.6.0 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 : FAILED Boson : 0.6.1 --------------Other Versions-------------- sdss-obstools : 3.9.3 TPM : 1.2-31-gd7eb MCP : 2.3.1 PLC : V35 Fiducials : v1_153 idlspec2d : v6_2_1 Kronos : 2.1.0a roboscheduler : 2.1.0 /dev/sdb1 2.0T 513G 1.5T 26% /home /dev/sdd1 22T 15T 6.3T 70% /data ---- APOGEE Data Summary ---- (observers39) [observer@sdss5-hub: ~]$ list_ap -m 61226 --morning APOGEE data list, mjd=61226, all raw_data: /data/apogee/utr_cdr/61226/apRaw-*.fits archive: /data/apogee/archive/61226/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61226/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61226 45 10:16 56640045 Dark 60 A 13.0 ---------- a-b-c - - 61226 46 10:26 56640046 Dark 60 A 13.0 ---------- a-b-c - - 61226 47 10:37 56640047 Dark 60 A 13.0 ---------- a-b-c - - 61226 48 10:39 56640048 QuarFlat 10 A 13.0 ---------- a-b-c - 104 61226 49 10:41 56640049 QuarFlat 10 A 13.0 ---------- a-b-c - 104 61226 50 10:43 56640050 QuarFlat 10 A 13.0 ---------- a-b-c - 104 61226 51 10:45 56640051 Arc-Thar 12 B 13.5 ---------- a-b-c 2.38 101 61226 52 10:52 56640052 Arc-Une 40 B 13.5 ---------- a-b-c 2.46 94 61226 53 10:54 56640053 Arc-Thar 12 A 13.0 ---------- a-b-c 1.94 102 61226 54 11:02 56640054 Arc-Une 40 A 13.0 ---------- a-b-c 1.95 97 61226 55 11:07 56640055 Dark 30 A 13.0 ---------- a-b-c - - 61226 56 11:12 56640056 InteFlat 30 A 13.0 ---------- a-b-c - - 61226 57 11:18 56640057 InteFlat 30 A 13.0 ---------- a-b-c - - 61226 58 11:23 56640058 InteFlat 30 A 13.0 ---------- a-b-c - - 61226 59 11:29 56640059 Dark 30 A 13.0 ---------- a-b-c - - 61226 60 11:34 56640060 Arc---- 30 A 13.0 ---------- a-b-c - 101 FPI A 61226 61 11:40 56640061 Arc---- 30 B 13.5 ---------- a-b-c - 98 FPI B APOGEE data list, mjd=61227, all raw_data: /data/apogee/utr_cdr/61227/apRaw-*.fits archive: /data/apogee/archive/61227/apR-[a,b,c]-*.apz quickred: /data/apogee/quickred/61227/apq-*.fits ------------------------------------------------------------------------------ mjd i UT File/Exp Imtype Nread A/B Dth Design-Cfg Arch Offset %Flux/FPI Comm ------------------------------------------------------------------------------ 61227 1 22:36 56650001 Dark 60 B 13.5 ---------- a-b-c - - 61227 2 22:38 56650002 QuarFlat 10 B 13.5 ---------- a-b-c - 104 61227 3 22:40 56650003 Arc-Thar 12 B 13.5 ---------- a-b-c 2.39 102 61227 4 22:48 56650004 Arc-Une 40 B 13.5 ---------- a-b-c 2.45 95 61227 5 22:50 56650005 Arc-Thar 12 A 13.0 ---------- a-b-c 1.92 102 61227 6 22:57 56650006 Arc-Une 40 A 13.0 ---------- a-b-c 1.95 96 61227 7 23:08 56650007 Dark 60 A 13.0 ---------- a-b-c - - 61227 8 23:14 56650008 Arc---- 30 A 13.0 ---------- a-b-c - 98 FPI A 61227 9 23:19 56650009 Arc---- 30 B 13.5 ---------- a-b-c - 96 FPI B 61227 10 10:09 56650010 DomeFlat 5 B 13.5 -999-27273 a-b-c - 135 61227 11 10:11 56650011 DomeFlat 5 B 13.5 -999-27273 a-b-c - 135 61227 12 10:12 56650012 DomeFlat 5 B 13.5 -999-27273 a-b-c - 137 61227 13 10:33 56650013 Object 35 B 13.5 753361-27275 a-b-c 2.45 1,1 61227 14 10:39 56650014 Object 35 A 13.0 753361-27275 a-b-c 1.96 1,1 61227 15 10:51 56650015 Object 35 A 13.0 756292-27276 a-b-c 1.96 1,1 61227 16 10:57 56650016 Object 35 B 13.5 756292-27276 a-b-c 2.46 1,1 cannot read file : /data/apogee/utr_cdr/61227/apRaw-56650017.fits ------------------------------------------------------------------------------ (observers39) [observer@sdss5-hub: ~]$ check_ap 61227 Using nfowler=1 for DOMEFLAT Using nfowler=1 for DOMEFLAT Using nfowler=1 for DOMEFLAT num field design config exptype dithpix nread relflux okay dx dy sigx sigy fpi1 fpi2 -------- ------ ------ ------ ------------ ------- ----- ------- ---- ------- ------- ------ ------ ---- ---- 56650001 100488 752512 27272 DARK 13.5 60 -23 True -- -- -- -- -- -- 56650002 100488 752512 27272 QUARTZFLAT 13.5 10 110 True -- 0.70 -- 0.85 -- -- 56650003 -999 -999 27273 ARCLAMP-THAR 13.5 12 1 True -3.05 -5.15 1.46 0.94 -- -- 56650004 -999 -999 27273 ARCLAMP-UNE 13.5 40 3 True -8.72 -4.95 1.14 0.74 -- -- 56650005 -999 -999 27273 ARCLAMP-THAR 13.0 12 1 True -3.65 -5.07 1.09 0.96 -- -- 56650006 -999 -999 27273 ARCLAMP-UNE 13.0 40 2 True -9.53 -5.03 0.30 0.87 -- -- 56650007 -999 -999 27273 DARK 13.0 60 -5 True -- -- -- -- -- -- 56650008 -999 -999 27273 FPI 13.0 30 234 True 11.88 -5.09 1.13 0.90 -- -- 56650009 -999 -999 27273 FPI 13.5 30 229 True 0.04 -5.11 1.10 0.88 -- -- 56650010 -999 -999 27273 DOMEFLAT 13.5 5 100 True -- 0.79 -- 0.84 -- -- 56650011 -999 -999 27273 DOMEFLAT 13.5 5 102 True -- 0.80 -- 0.86 -- -- 56650012 -999 -999 27273 DOMEFLAT 13.5 5 101 True -- 0.79 -- 0.84 -- -- 56650013 100989 753361 27275 OBJECT 13.5 35 1 True -8.48 0.81 0.30 0.81 126 65 56650014 100989 753361 27275 OBJECT 13.0 35 1 True -13.50 0.80 0.30 0.82 125 63 56650015 104409 756292 27276 OBJECT 13.0 35 12 True 15.95 -- 0.38 -- 131 164 56650016 104409 756292 27276 OBJECT 13.5 35 5 True -13.51 0.79 0.30 0.84 130 160 num exptype nread mtp1 mtp2 mtp3 mtp4 mtp5 mtp6 mtp7 mtp8 mtp9 mtp10 -------- ---------- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----- 56650002 QUARTZFLAT 10 74 81 90 101 100 95 97 99 100 91 56650010 DOMEFLAT 5 71 76 84 94 102 92 96 100 96 89 56650011 DOMEFLAT 5 71 79 85 94 102 91 95 100 96 89 56650012 DOMEFLAT 5 72 81 86 95 103 91 96 100 97 90 ---- BOSS Data Summary ---- Reading FITS from /data/spectro//61227 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n Time Filename design-field cfg flav shu Exp colA colB colC Hrt - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 22:26 r1-00403293 ----------- ---- bia Clo 0.0 9337 9388 9395 2 22:26 b1-00403293 ----------- ---- bia Clo 0.0 9337 9388 9395 3 22:30 r1-00403294 ----------- ---- dar Clo 20.0 9337 9388 9395 4 22:30 b1-00403294 ----------- ---- dar Clo 20.0 9337 9388 9395 5 22:31 b1-00403295 752512-100488 27272 arc Lef 4.1 9337 9388 9395 HART 6 22:31 r1-00403295 752512-100488 27272 arc Lef 4.1 9337 9388 9395 HART 7 22:32 b1-00403296 752512-100488 27272 arc Rig 4.1 9337 9388 9395 HART 8 22:32 r1-00403296 752512-100488 27272 arc Rig 4.1 9337 9388 9395 HART 9 22:35 r1-00403297 752512-100488 27272 arc Out 4.1 5449 5501 5505 10 22:35 b1-00403297 752512-100488 27272 arc Out 4.1 5449 5501 5505 11 22:37 r1-00403298 752512-100488 27272 fla Out 25.1 5449 5501 5505 12 22:37 b1-00403298 752512-100488 27272 fla Out 25.1 5449 5501 5505 13 10:13 b1-00403299 752223-100450 27274 arc Lef 4.1 5449 5501 5505 HART 14 10:13 r1-00403299 752223-100450 27274 arc Lef 4.1 5449 5501 5505 HART 15 10:14 r1-00403300 752223-100450 27274 arc Rig 4.1 5449 5501 5505 HART 16 10:14 b1-00403300 752223-100450 27274 arc Rig 4.1 5449 5501 5505 HART 17 10:15 r1-00403301 752223-100450 27274 fla Out 25.1 6285 6336 6344 18 10:15 b1-00403301 752223-100450 27274 fla Out 25.1 6285 6336 6344 19 10:17 r1-00403302 752223-100450 27274 fla Out 25.1 6285 6336 6344 20 10:17 b1-00403302 752223-100450 27274 fla Out 25.1 6285 6336 6344 21 10:18 b1-00403303 752223-100450 27274 fla Out 25.1 6285 6336 6344 22 10:18 r1-00403303 752223-100450 27274 fla Out 25.1 6285 6336 6344 23 10:25 b1-00403304 753361-100989 27275 arc Out 4.1 6285 6336 6344 24 10:25 r1-00403304 753361-100989 27275 arc Out 4.1 6285 6336 6344 25 10:28 b1-00403305 753361-100989 27275 sci Out 730.1 6285 6336 6344 26 10:28 r1-00403305 753361-100989 27275 sci Out 730.1 6285 6336 6344 27 10:43 b1-00403306 756292-104409 27276 arc Out 4.1 6285 6336 6344 28 10:43 r1-00403306 756292-104409 27276 arc Out 4.1 6285 6336 6344 29 10:46 r1-00403307 756292-104409 27276 sci Out 730.1 6285 6336 6344 30 10:46 b1-00403307 756292-104409 27276 sci Out 730.1 6285 6336 6344 31 11:01 b1-00403308 753301-100959 27277 arc Out 4.1 6285 6336 6344 32 11:01 r1-00403308 753301-100959 27277 arc Out 4.1 6285 6336 6344 ---- BOSS Spectrographs Collimation ---- Time TSP1 R1 B1 Move1 B1Resid ============================================= 22:33:10 9.2 -4947 8.9 -3887 -3.3 10:14:40 9.2 0 -5.2 835 -2.6 ---- Weather Log ---- Wind 1 um DIMM IRSC Time Temp C Dewp C MPH Dir Dust fwhm mean sigma 18:00 19.8 7.2 7.9 02.6 1583 18:15 16.7 7.6 2.1 20.3 1896 18:30 17.4 7.4 0.5 01.8 1714 18:45 17.7 8.6 1.0 88.0 1718 19:00 16.6 4.4 16.3 74.0 1453 19:15 16.4 4.5 6.1 52.2 857 19:30 12.4 2.1 4.8 80.9 1810 19:45 15.5 0.4 8.3 56.6 2202 20:00 13.7 0.4 16.8 87.6 1401 20:15 14.4 0.4 20.2 74.4 745 20:30 14.7 0.4 15.1 86.3 677 20:45 16.8 0.3 10.5 78.3 1251 21:00 16.9 0.3 3.8 97.3 871 21:15 17.4 0.4 19.2 20.7 847 21:30 18.1 0.2 8.1 81.4 854 21:45 16.7 0.4 15.8 65.8 852 22:00 16.4 0.3 11.2 83.2 937 22:15 16.6 0.3 13.6 78.5 942 22:30 16.5 0.3 11.1 66.2 856 22:45 16.7 0.3 6.9 86.5 832 23:00 16.9 0.2 12.0 72.3 846 23:15 17.4 0.3 7.7 92.6 808 23:30 18.2 -0.1 11.3 31.3 642 23:45 18.2 0.2 8.1 90.6 715 00:00 18.1 0.1 1.0 17.5 904 00:15 17.4 0.1 14.4 34.6 1183 00:30 16.9 0.0 4.8 13.0 1150 00:45 16.7 0.0 5.8 31.2 1536 01:00 16.4 -0.1 2.4 24.7 1454 01:15 16.4 -0.1 4.8 53.3 1194 01:30 16.4 -0.1 6.9 41.7 937 01:45 16.4 -0.1 3.3 54.7 856 02:00 16.3 -0.1 4.6 84.1 934 02:15 16.2 -0.3 4.3 86.8 981 02:30 15.3 -0.2 11.6 61.4 1198 02:45 14.7 -0.3 9.6 23.3 1364 03:00 14.0 -0.3 5.6 55.0 1673 03:15 14.1 -0.6 1.2 16.3 1404 03:30 15.1 -0.4 5.1 61.6 1711 03:45 14.6 -0.4 5.1 58.4 1844 04:00 14.8 -0.5 2.9 48.6 2119 04:15 14.9 -0.5 3.8 82.2 1594 04:30 14.7 -0.5 1.8 08.5 1870 04:45 14.6 -0.7 1.5 80.5 1607 05:00 14.6 -0.7 0.8 09.0 1416 05:15 14.8 -0.6 1.8 90.0 1507 05:30 14.7 -0.7 2.6 99.6 1614 05:45 14.9 -0.7 4.4 98.5 1645 06:00 16.3 -0.4 2.2 19.5 1283 06:15 15.9 -0.7 1.1 64.8 1525 06:30 15.5 -0.6 5.2 92.6 1401 06:45 16.3 -0.4 5.1 92.8 797 349 55.87 07:00 16.6 -0.5 4.5 97.5 873 342 33.50 07:15 16.8 -0.7 4.9 99.5 752 341 38.24 07:30 16.9 -0.4 7.4 14.7 887 345 35.60 07:45 16.8 -0.3 6.5 95.5 911 345 35.21 08:00 17.0 -0.2 6.8 11.0 852 361 43.19 08:15 16.8 -0.3 9.8 39.3 983 360 41.38 08:30 16.4 -0.5 8.8 13.6 1107 355 47.09 08:45 15.5 -0.3 10.5 24.4 1989 350 49.33 09:00 15.6 -0.4 4.8 86.1 1564 350 55.46 09:15 13.2 -0.9 10.2 83.8 1078 349 54.38 09:30 12.4 -1.2 12.8 83.6 1531 346 53.34 09:45 12.4 -1.4 13.3 68.3 1267 345 47.06 10:00 12.6 -1.5 8.3 86.3 1263 340 26.93 10:15 13.1 -0.6 5.8 69.8 1302 340 3.40 10:30 12.6 -0.6 8.7 87.1 1285 340 2.21 10:45 13.3 -0.8 6.4 82.0 1299 340 1.59 11:00 15.1 -0.8 1.3 72.6 1183 340 1.67 ---- Time Tracking ---- *=*=*= Observatory: APO *=*=*= MJD: 61227 Fill night time in Hours below *=*=*= Total bright time : 6.2 *=*=*= Bright time, queued observations : 0.8 *=*=*= Bright time, commissioning/engineering: 0 *=*=*= Bright time lost to weather : 5.4 *=*=*= Bright time lost to technical issues : 0 *=*=*= Total dark time : 2.1 *=*=*= Dark time, queued observations : 0 *=*=*= Dark time, commissioning/engineering : 0 *=*=*= Dark time lost to weather : 2.1 *=*=*= Dark time lost to technical issues : 0 Sun 05 Jul 2026 61227 0.66 03:18 03:36 10:39 15:29 22:34 --- dark until 05:44 ( 2.1 h), then bright ( 6.2 h, w/ 1.3 h for 8 deg design)