APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Friday March 30, 2007 (MJD 54190) ---=== OBSERVING TEAM ===--- Kaike Pan Dan Oravetz Audrey Simmons Justin Crepp (UF) Suvrath Mahadevan (UF) ---=== OBSERVING PLAN ===--- ET Science! ---=== OBSERVING SUMMARY ===--- First hour and half lost to high humidity. 8 exposures on 5 ET plates: E8017 (1X50-minute data), E8018 (1X50-minute data), E8026 (3X50-minute data and 1X30-minute data), E8021 (1X50-minute data), E8022 (1X50-minute data). No telescope problems to report. Offsets for the guider located at /home/observer/guideroffsets.txt. ---=== OBSERVING LOG ===--- Afternoon: --------- Afternoon checkout went smoothly. No problems to report. Didn't begin opening on time due to clouds and high humidity. Night: ----- 03:05Z - Began ventilation. Doors and louvers open, fans on. 03:35Z - Enclosure off. 04:05Z - Cartridge 9, plate E8017. Guide stars found on gotoField after manual offset used. One 50-minute exposure (data). Seeing: 2.1" - 2.3". 05:15Z - Cartridge 2, plate E8018. Guide stars on gotoField. One 50-minute exposure (data). Seeing: 2.0" - 3.2". 06:25Z - Cartridge 1, plate E8026. Guide stars on gotoField. Two 50-minute exposures (2Xdata). Seeing: 1.4" - 1.7". 08:27Z - Cartridge 8, plate E8021. Guide stars on gotoField. One 50-minute exposure (data). Seeing: 1.3" - 1.6". 09:29Z - Cartridge 7, plate E8022. Guide stars on gotoField. One 50-minute exposure (data). Seeing: 1.2" - 1.8". 10:32Z - Cartridge 1, plate E8026. Guide stars found on gotoField after manual offset of 10" used. One 50-minute exposure (data) and one 30-minute exposure (data). Seeing: 1.3" - 1.5". 12:05Z - Enclosure on. endNight rejoiced. ---=== IMAGING RUN SUMMARY ===--- Run Time Stripe Lambda Last Flavor Comments Start End Begin End Frame ------------------------------------------------------------------------- ---=== IMAGING RUN DETAILS ===--- ---=== SKIPPY RESULTS ===--- Run Frame nFrames stars muErr muRms nuErr nuRms rot az el --------------------------------------------------------------------------- ---=== LTMATCH RESULTS ===--- Run Field nFields alt az nGood rowMean rowSig colMean colSig rot ------------------------------------------------------------------------ ---=== SPECTROSCOPY DATA SUMMARY ===--- Summary Checked (y/n): n/a QA Procedures Done (y/n): n/a UT Exp Time flavor comment (S/N)^2 totals ========================================== b1 r1 b2 r2 ----- sequence 43927, plate -9999 ------- 00:30 43927 0.0 bias 00:40 43928 0.0 bias ----- sequence 43929, plate 2714 ------- 02:39 43929 10.0 flat 02:41 43930 2.0 arc 03:00 43931 10.0 flat 03:10 43932 10.0 flat 03:19 43933 10.0 flat 03:23 43934 2.0 arc ---=== TELESCOPE OFFSETS AND SCALE I ===--- Time Instrument Az Alt Rot Scale pos offset pos offset pos offset ------------------------------------------------------------------------------ 04:27Z 9 8017 -59.79 -0.0003 45.69 -0.0004 133.13 -0.0166 1.000250 05:30Z 2 8018 241.70 -0.0027 40.69 -0.0013 101.52 0.0090 1.000340 06:35Z 1 8026 149.33 -0.0001 63.75 -0.0038 -46.39 -0.0116 0.999980 08:31Z 8 8021 86.49 -0.0010 64.31 -0.0021 251.41 0.0010 0.999970 09:32Z 7 8022 113.66 0.0013 71.36 -0.0018 -79.29 0.0025 1.000040 10:37Z 1 8026 220.88 -0.0024 55.70 -0.0038 68.12 -0.0149 0.999930 ---=== TELESCOPE OFFSETS AND SCALE II ===--- ---=== FOCUS LOG ===--- setmir piston Temp Wind Time Inst scale M1 M2 Foc Az Alt (C) MPH Dir filt fwhm ------------------------------------------------------------------------------ 04:26Z 9 8017 1.00025 -2469 -449 400 -60 45.8 -3.0 11 18 ---- 2.1" 05:30Z 2 8018 1.00034 -3358 -1116 450 242 40.7 -3.3 9 338 ---- 3.0" 06:35Z 1 8026 0.99998 198 1487 180 149 63.7 -3.3 15 323 ---- 1.7" 08:31Z 8 8021 0.99997 296 1608 220 87 64.3 -3.5 6 12 ---- 1.6" 09:32Z 7 8022 1.00004 -395 962 160 114 71.3 -3.7 23 355 ---- 1.8" 10:37Z 1 8026 0.99993 691 1886 150 221 55.7 -3.8 13 11 ---- 1.4" ---=== WEATHER LOG ===--- Wind Time Temp F Dewp F MPH Direction Dust DIMM Sky 23:28Z 31 17 13 269 (W) 1245 - Clouds 23:58Z 30 19 12 304 (NW) 1122 - Clouds 00:29Z 28 22 5 268 (W) 793 - Clouds Watcher:Weather:Humidity - dewpoint depression (C) (2.9 (low) 00:35Z) 00:49Z - Humidity: 86.1% - "Humidity too high!" Watcher:Weather:Humidity - dewpoint depression (C) (1.9 (low) 00:51Z) Watcher:Weather:Humidity - dewpoint depression (C) (2.2 (low) 01:11Z) 00:59Z 27 24 10 347 (NNW) 530 - Clouds Watcher:Weather:Humidity - dewpoint depression (C) (2.1 (low) 01:15Z) 01:29Z 26 22 8 336 (NNW) 543 - Clouds Watcher:Weather:Humidity - dewpoint depression (C) (2.9 (low) 01:48Z) Watcher:Weather:Humidity - dewpoint depression (C) (2.9 (low) 01:56Z) 01:59Z 26 21 0 144 (SE) 517 - High humidity 02:29Z 25 21 2 44 (NE) 603 - High humidity 02:59Z 27 19 9 321 (NW) 436 - High humidity 03:30Z 27 18 21 322 (NW) 425 - Mostly clear 04:00Z 26 18 10 4 (N) 437 - Mostly clear 04:31Z 26 19 7 0 (N) 428 - Mostly clear 05:03Z 26 19 11 337 (NNW) 337 - Clear 05:36Z 26 19 14 329 (NNW) 290 - Clear 06:08Z 26 19 8 342 (NNW) 308 - Clear 06:38Z 26 19 16 347 (NNW) 267 - Clear 07:09Z 25 16 8 7 (N) 257 - Clear 07:39Z 25 18 8 15 (NNE) 254 - Clear 08:09Z 25 18 13 9 (N) 270 - Clear 08:41Z 25 17 11 1 (N) 223 - Clear 09:13Z 25 18 8 291 (WNW) 247 - Clear 09:46Z 25 15 14 4 (N) 222 - Clear 10:18Z 25 15 9 315 (NW) 188 - Clear 10:50Z 25 13 5 25 (NNE) 218 - Clear 11:22Z 25 11 9 339 (NNW) 240 - Clear ---=== TELESCOPE STATUS ===--- 03:05Z - Began ventilation. Doors and louvers opened, fans on. 03:35Z - Enclosure off. 12:05Z - Enclosure on, doors and louvers closed, fans off. No interlocks bypassed. Status at: 12:10Z Telescope stowed at: 30,121,00 mount Instrument mounted: Cartridge 1 Counterweights at: 250 lbs LN2 autofill systems: Connected and turned on. 180L LN2 dewar scales: Spectro 295.10 lbs, 23.31 psi Imager 138.10 lbs, 17.39 psi ---=== SOFTWARE USED ===--- IOP/SOP: v4_31_0 Watcher: v2_35_0 MCP: v6_3_2 TPM: tpm_v3_5_0 AstroDa: v15_13 TCC: TCC 2.7.2.1 August 6 2004 sdssProcedures: v2_25 SoS: v5_1_8 plate-mapper: v4_3_1 ---=== MIRROR NUMBERS ===--- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A 0.0040 -0.0050 Axial B -0.0020 0.0090 Axial C 0.0050 0.0160 Trans D 0.0070 0.0040 Lateral E 9.9695 9.9568 Lateral F 11.5570 11.5443 GALILS Commanded: 4600. -2000. 2650. -9300. -9800. -9800. Actual: 4600. -2000. 2650. -9300. -9800. -9800. SETMIR VALUES PriDesOrient: 0.00 0.00 0.00 0.00 0.00 PriOrient: 0.00 0.00 0.00 0.00 0.00 SECONDARY: ---------- Focus: 0.00 Air Temp.: -2.6 Alt.: 30.310443 MIGS TONIGHT NOMINAL Axial A -0.0300 -0.0240 Axial B -0.0350 -0.0280 Axial C -0.0440 -0.0370 Trans D -0.0060 -0.0040 GALILS Commanded: 1614106. 1594792. 1543466. -10550. -5800. Actual: 1614053. 1594719. 1543082. -10535. -5822. SETMIR VALUES SecDesOrient: 1257.00 20.00 -10.00 -100.00 176.64 SecOrient: 1257.13 19.89 -9.97 -100.42 176.63 ---=== PROBLEMS IN DETAIL ===---