APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Sunday September 13, 2009 (MJD 55088) ---=== OBSERVING TEAM ===--- Audrey Simmons Dan Oravetz Paul Harding Kyle Dawson Craig Loomis Robert Lupton ---=== OBSERVING PLAN ===--- Commissioning ---=== OBSERVING SUMMARY ===--- We spent most of the night on sky doing guider tests. We were eventually able to guide on cartridge 1 again, and then on cartridge 6 using pointing B, but things still need lots more testing. We tried to take some arcs and flats at different piston values relative to their in-focus positions and subsequently ran into inconsistencies when moving the collimator pistons. We took three 10-minute darks without any issues. The gain is on in all 4 cameras and the noise levels look appropriate in all 4 quadrants of the images. endNight hung because of file system access problems on sdsshost2. ---=== OBSERVING LOG ===--- Afternoon ========= 23:35Z - Restarted the servers on MONX3. 23:51Z - Started an imager bias. 23:55Z - Verified that the actors were alive and responsive in STUI. 23:58Z - Checked the disk space: Filesystem Size Used Avail Use% Mounted on /dev/sda3 142G 123G 13G 92% / /dev/sda1 99M 30M 64M 33% /boot /dev/sdb1 917G 831G 41G 96% /data sdssfiles1p:/data1/data 1.5T 785G 608G 57% /files hub25mp:/home 92G 49G 44G 53% /home_hub25m 00:20Z - Checked out the telescope and the lower enclosure. The 45-deg. altitude fiducials were missed again. 00:30Z - We had some clouds around, but we optimistically decided to prepare for guider tests just in case, so we mounted cartridge 1 and started ventilation. Night ===== Guider testing -------------- 02:18Z - The sky cleared up enough that we decided to open with cartridge 1 mounted to test the guider. Paul can correct me if I'm wrong, but this is my recollection of the guider testing based on lots of scribbled notes: Over the course of seven hours of guider testing, we were effectively able to guide with cartridge 1 and then with cartridge 6 (pointing B). It seemed that there was a rotational offset ~45 degrees somewhere in the code, so we spent most of the time working out orientations and testing offset moves and scale changes. After much trial and error, cartridge 1 began guiding and we decided to mount cartridge 6 and test the guiding on the B pointing. Cartridge 6 again required lots of trial offsets and scale changes and we changed the spiderInstAngle such that spiderInstAngle = -spiderInstAngle - 90. Eventually, we were able to guide and then we wanted to go back to try guiding on cartridge 1 again under the new configuration, but the humidity became too high and we had to close. 09:45Z - Some of the surfaces around the telescope were beginning to show signs of moisture and the humidity trend was increasing, so we closed. 10:00Z - Mounted cartridge 11 for some BOSS calibrations. BOSS flats/arcs --------------- To start with, the collimator motor positions were: sp1: 4258, 4332, 4328 sp2: 5526, 5592, 5078 Then we wanted to take calibrations with the pistons +10000 relative to the in-focus positions above, so we issued: boss pistonColl spec=sp1 ticks=10000 boss pistonColl spec=sp2 ticks=10000 New collimator positions: sp1: 10208, 10333, 10326 sp2: 10526, 10595, 10078 These new collimator positions show that sp1 moved by ~+6000 and sp2 moved by ~+5000. Does 10000 ticks correspond to different physical moves for sp1 and sp2? Anyway, we took some calibrations, at the very least just to exercise the system and check for failures. sop doCalibs narc=4 nflat=4 arcTime=2 flatTime=20 images: 101339 - 101346 Next, we wanted to take calibrations at +5000 ticks relative to the in-focus positions, so that would be -5000 ticks from the +10000-tick positions. boss pistonColl spec=sp1 ticks=-5000 boss pistonColl spec=sp2 ticks=-5000 New collimator positions: sp1: 5259, 5329, 5328 sp2: 5526, 5594, 5078 Now, both sp1 and sp2 actually moved by -5000. Does anyone know why sometimes sp1 and sp2 will move the same amount when instructed and other times they move differently and independently as above? Amidst this confusion and impending twilight (we weren't going to get close to finishing all of the flats and arcs), we decided to take some darks and check up on the sp1 gain and look for any crashes. First, we moved sp1 back to its original collimator positions: boss pistonColl spec=sp1 ticks=-1000 Final collimator positions for tonight: sp1: 4258, 4332, 4328 sp2: 5526, 5594, 5078 Darks ----- sop doCalibs ndark=3 darkTime=600 images: 101347, 101348, 101349 The images look like darks with reasonable looking noise levels in all 4 quadrants and the gain is on for all 4 cameras as well. We did not run into any issues with crashes during the sequence. We tried running `endNight' and it hung almost immediately. When we tried to open another IOP, it hung at "Sourcing iopUtils.tcl." STUI started spitting out errors about the imager being dead. Robert verified that hanging IOP would generate the imager errors we were seeing in STUI. 12:06:54 APO.rhl: "The problem is that listing /skycat/oplogs is hanging, so you cannot start a new iop." Robert notified Jon, Fritz, and Craig about the host2 access problems to the file system. ---=== IMAGING RUN SUMMARY ===--- Run Time Stripe Lambda Last Flavor Comments Start End Begin End Frame ------------------------------------------------------------------------- 8030 23:51Z 00:13Z 100 O 60.15 65.63 44 ignore ---=== 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 ---=== 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 22:24Z 54 45 7 312 (NW) 1111 - partly cloudy 22:56Z 56 47 4 264 (W) 1047 - partly cloudy 23:28Z 57 47 3 303 (WNW) 983 - partly cloudy 23:58Z 57 46 5 266 (W) 1017 - partly cloudy 00:30Z 55 46 6 260 (W) 1004 - partly cloudy 01:03Z 53 45 4 257 (WSW) 942 - partly cloudy 01:35Z 52 44 2 252 (WSW) 976 - partly cloudy 02:07Z 52 43 3 257 (WSW) 1002 - partly cloudy 02:39Z 52 43 1 248 (WSW) 963 - partly cloudy 03:11Z 51 42 3 286 (WNW) 1076 - partly cloudy 03:44Z 51 43 5 265 (W) 1022 - partly cloudy 04:16Z 51 43 6 263 (W) 1070 - partly cloudy 04:48Z 51 42 4 220 (SW) 971 - partly cloudy 05:20Z 51 42 3 216 (SW) 856 - partly cloudy 05:52Z 51 42 3 255 (WSW) 935 - partly cloudy 06:24Z 51 44 5 265 (W) 933 - clear 06:57Z 51 44 4 265 (W) 1086 - clear 07:29Z 50 44 6 272 (W) 1063 - clear 08:01Z 50 44 6 270 (W) 1126 - clear 08:33Z 50 44 6 266 (W) 1091 - clear 09:05Z 50 45 6 280 (W) 1002 - clear 09:37Z 49 45 7 278 (W) 1229 - clear 10:09Z 50 45 6 283 (WNW) 1291 - clear 10:42Z 50 44 10 306 (NW) 1362 - clear 11:14Z 50 44 10 323 (NW) 1391 - clear 11:46Z 49 44 8 286 (WNW) 1301 - clear ---=== TELESCOPE STATUS ===--- 00:30Z - Began ventilation. Doors and louvers opened, fans on. 09:45Z - Enclosure on, doors and louvers closed, fans off. No interlocks bypassed. Status at: 11:43Z Telescope stowed at: 30,121,00 mount Instrument mounted: Cartridge 11 Counterweights at: 250 lbs LN2 autofill systems: Connected and turned on. 180L LN2 dewar scales: Spectro 205.30 lbs, 19.43 psi Imager 131.60 lbs, 20.24 psi ---=== SOFTWARE USED ===--- IOP/SOP: v4_40_0 Watcher: v2_36_0 MCP: NOSVN TPM: tpm_v3_5_0 AstroDa: v15_13_1 TCC: TCC 2.11.0 2009-06-24 sdssProcedures: v2_44 SoS: v5_1_8 plate-mapper: v4_3_1 STUI: Version 0.2.1 2009-09-02 ---=== MIRROR NUMBERS ===--- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A -0.6950 -0.6940 Axial B -0.0320 -0.0410 Axial C -0.3730 -0.3710 Trans D 11.6110 11.6170 Lateral E 10.3759 10.3505 Lateral F 11.9380 11.9253 GALILS Commanded: 9900. 400. 5850. 1200. 2950. 2750. Actual: 9917. 401. 5832. 1205. 2954. 2757. SETMIR VALUES PriDesOrient: 0.00 -3.30 5.10 278.08 178.06 PriOrient: 0.00 -3.04 5.26 277.70 178.07 SECONDARY: ---------- Focus: 0.00 Air Temp.: 13.1 Alt.: 30.000004 MIGS TONIGHT NOMINAL Axial A 18.6210 18.6150 Axial B 15.6270 15.6120 Axial C 13.8440 13.8170 Trans D -11.7870 -11.7780 GALILS Commanded: 1597709. 1566175. 1588096. -7600. -12400. Actual: 1597721. 1566188. 1588095. -7597. -12380. SETMIR VALUES SecDesOrient: 1257.00 -4.00 -9.00 10.00 234.42 SecOrient: 1256.99 -4.00 -9.00 10.19 234.69 ---=== PROBLEMS IN DETAIL ===---