APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Sunday April 29, 2007 (MJD 54220) ---=== OBSERVING TEAM ===--- Howard Brewington (2.5-m observer) Peng Cheng Guo (UF) Brian Lee (UF) ---=== OBSERVING PLAN ===--- ET Science! ---=== OBSERVING SUMMARY ===--- The night was lost to bad weather. The LN2 connector on SP1 is very loose; see log. Had a rot abort and an Az windscreem touch. ---=== OBSERVING LOG ===--- Afternoon: ------------ During the afternoon checkout, as I reconnected the spectro LN2 hoses, I noticed that the LN2 connector, which is mounted on SP1, was very loose. In other words, the valve assembly mounted inside the green plastic housing rotates several degrees as the LN2 hose is attached or removed. I also replaced the tape that covered the red LED display on the ODH sensor, which is mounted on north-side of the upper enclosure. I'm guessing the wind removed it. I had a rotator abort and an Az-windscreen touch during the afternoon checkout of the 2.5-meter telescope. The windscreen touch, reported by watcher, is posted in the Problems Section. Night: ------------ 01:35Z At sunset, humidity = 89%, DP Dep = 1.3, and lots of clouds. 05:45Z Humidity = 65%, but we still have clouds. 06:03Z Doors and louvers opened, fans on 07:24Z Humidity = 82%, DP Dep = 2.8 07:27Z Doors and louvers closed, fans off 07:38Z Changed the imager dewar. 09:00Z Rain 10:22Z Humidity = 100%, DP Dep = 0, lots of clouds. 10:30Z Went to bed. 10:50Z Morning twilight endNight finished and was happy Misc Watcher messages are posted in the Problems Section ---=== 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): QA Procedures Done (y/n): UT Exp Time flavor comment (S/N)^2 totals ========================================== b1 r1 b2 r2 ----- sequence 44565, plate -9999 ------- 23:27 44565 0.0 bias 23:34 44566 0.0 bias 23:36 44567 0.0 bias ---=== TELESCOPE OFFSETS AND SCALE I ===--- Time Instrument Az Alt Rot Scale pos offset pos offset pos offset ------------------------------------------------------------------------------ ---=== TELESCOPE OFFSETS AND SCALE II ===--- ---=== FOCUS LOG ===--- setmir piston Temp Wind Time Inst scale M1 M2 Foc Az Alt (C) MPH Dir filt fwhm ------------------------------------------------------------------------------ ---=== WEATHER LOG ===--- Wind Time Temp F Dewp F MPH Direction Dust DIMM Sky 22:27Z 44 39 11 185 (S) 606 - clouds 22:59Z 44 36 2 255 (WSW) 679 - 23:30Z 47 42 5 261 (W) 661 - 00:02Z 43 37 0 277 (W) 653 - 00:35Z 42 38 10 249 (WSW) 591 - 01:07Z 41 39 6 209 (SSW) 613 - clouds 01:39Z 40 37 7 218 (SW) 661 - 02:11Z 39 37 7 247 (WSW) 900 - 02:43Z 39 37 3 182 (S) 746 - 03:16Z 38 36 4 185 (S) 1015 - 03:48Z 37 37 1 219 (SW) 1013 - 04:20Z 38 38 1 256 (WSW) 1131 - 04:52Z 38 36 2 273 (W) 1258 - 05:25Z 37 35 2 217 (SW) 1218 - 05:57Z 41 28 2 273 (W) 1320 - clouds 06:29Z 40 29 5 296 (WNW) 1373 - 07:01Z 40 33 6 333 (NNW) 1065 - 07:33Z 39 34 3 0 (N) 1077 - 08:05Z 39 36 7 354 (NNW) 979 - 08:38Z 39 37 10 317 (NW) 1079 - 09:10Z 39 39 0 96 (E) 1149 - 09:42Z 39 38 5 305 (NW) 839 - 10:14Z 39 39 8 303 (WNW) 2845 - clouds ---=== TELESCOPE STATUS ===--- 06:03Z Doors and louvers open, fans on. 07:27Z Doors and louvers closed, fans off. No interlocks bypassed. Status at:10:30Z Telescope stowed at: 30,121,00 mount Instrument mounted: Cartridge 06 Counterweights at: 250 lbs LN2 autofill systems: Connected and turned on. 180L LN2 dewar scales: Spectro 136lbs, 21psi Imager 296lbs, 20psi ---=== SOFTWARE USED ===--- IOP/SOP: v4_32_0 Watcher: v2_35_0 MCP: v6_3_2 TPM: tpm_v3_5_0 AstroDa: v15_13_1 TCC: TCC 2.7.2.1 August 6 2004 sdssProcedures: v2_27 SoS: v5_1_8 plate-mapper: v4_3_1 ---=== MIRROR NUMBERS ===--- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A 0.0090 -0.0050 Axial B 0.0060 0.0090 Axial C 0.0090 0.0160 Trans D 0.0060 0.0040 Lateral E 9.9695 9.9568 Lateral F 11.5443 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.: 8.7 Alt.: 30.139316 MIGS TONIGHT NOMINAL Axial A -0.0300 -0.0240 Axial B -0.0340 -0.0280 Axial C -0.0460 -0.0370 Trans D 0.0020 -0.0040 GALILS Commanded: 1614061. 1594673. 1543082. -10550. -5800. Actual: 1614050. 1594700. 1543100. -10550. -5800. SETMIR VALUES SecDesOrient: 1257.00 20.00 -10.00 -100.00 176.64 SecOrient: 1256.99 19.99 -10.02 -100.44 176.56 ---=== PROBLEMS IN DETAIL ===--- --== Misc Watcher Problems ==-- currents (High Rot Drive Current:: 2007-04-30 00:01:18Z) azimuth (Windscreen touched in azimuth: CCW (2007-04-29 23:59:28Z sdssmcp): 2007-04-29 23:59:47Z)