APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Tuesday February 4, 2003 (MJD 52675) ---=== OBSERVING TEAM ===--- swing: Howard Brewington (APO) night: Jurek Krzesinski (APO) Mike Harvanek (APO) Steve Kent (FNAL; by phone) ---=== OBSERVING PLAN ===--- Science! ---=== OBSERVING SUMMARY ===--- Some useful data (hopefully) on one plate (1247) but nearly all of the night was lost to heavy clouds. ---=== OBSERVING LOG ===--- Swing shift: During day shift, I checked the focus of the spectrographs; all cameras were reported by IDL as out-of-focus except for b2. I did a sp1; mechPiston -1947 and a sp2; mechPiston -1719. Afterwards, all cameras were in focus except for b1. So, I adjusted b1 by the amount recommended via IDL, i.e., -13.9 degrees. After another set of Hartmann exposures, IDL reported all cameras as in focus except for b2, which had a Mean offset = 0.22 pix. I did not have time for additional adjustments. At the time of these focus procedures, m1's temp= 4.4C. The final col-motor numbers (A to C) were: sp1=-2458,-2458,-3664 ; sp2=1880,1881,1881. Night shift: Partly cloudy at sunset. We begin with spectroscopy. Plate 1247 (cartridge 2): Guide stars on the gotoField. The 1st exposure was 20 minutes long and conditions were decent (80% efficiency, 2" seeing, not much moon) but we got (S/N)^2 < 2 for b1 and b2 and just barely above 2 for r1 and r2. Most of the exposure was obtained before twilight ended but we still expected much higher signal. Since there is no mention of a (S/N)^2 requirement for the blue chips on Orion plates, we were wondering if this frame might be useful. We called Steve Kent and he said to go ahead and call it good. The 2nd exposure was 30 minutes and gave slightly higher (S/N)^2 but it was still less than 2 for b1 and lower than expected for all chips. We called this frame good as well. Please let us know if these frames are usable. The 3rd exposure was aborted due to heavy clouds. A survey plate became available and we switched to it in hopes of obtaining better signal. Plate 1210 (cartridge 3): Needed an FK5 star to acquire guide stars due to thickening clouds. We ran the guider to monitor seeing and efficiency conditions but did not open the shutter because of heavy clouds. Got the following watcher errors while we were tracking for plate 1210: rotator (addoffset: Max accl. for rotator exceeded: -278/1000 (2003-02-05 03:44:11Z sdssmcp): 2003-02-05 03:44:25Z) rotator (addoffset: Max accl. for rotator exceeded: -320/1000 (2003-02-05 04:02:04Z sdssmcp): 2003-02-05 04:02:06Z) rotator (addoffset: Max accl. for rotator exceeded: -320/1000 (2003-02-05 04:27:44Z sdssmcp): 2003-02-05 04:27:54Z) rotator (addoffset: Max accl. for rotator exceeded: 275/1000 (2003-02-05 04:32:24Z sdssmcp): 2003-02-05 04:32:36Z) The clouds continued to thicken and we put the enclosure on at 0455Z and waited. Later, El Paso radar showed activity between Ruidoso and Holloman AFB and we shut the doors and turned off the fans at 0840Z. Upon returning, we noticed that the servers had died. We attempted to restart them but they wouldn't stay up for more than a few seconds. When we logged into an iop session, we found there was a backplane communication error. After recovering from this, we were able to restart the servers. Jurek's sop window with which he had grabbed instruments did not survive but all other iop/sop sessions appeared to be alive. The satellite image showed we had no chance of opening and we gave up around 1100Z. ---=== IMAGING RUN SUMMARY ===--- Run Time Stripe Lambda Last Flavor Comments Start End Begin End Frame ------------------------------------------------------------------------- 3654 21:12Z 21:28Z 100 O 162.01 165.86 39 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 ===--- UT Exp Time flavor comment (S/N)^2 totals ========================================== b1 r1 b2 r2 ----- sequence 19149, plate -9999 ------- 21:15 19149 0.0 bias ----- sequence 19150, plate 1247 ------- 22:39 19150 10.0 flat 22:41 19151 2.0 arc 22:45 19152 2.1 arc 22:48 19153 2.1 arc 23:00 19154 2.1 arc 23:02 19155 2.1 arc 23:13 19156 10.0 flat 23:16 19157 2.0 arc 23:29 19158 2.1 arc 23:32 19159 2.1 arc ----- sequence 19162, plate 1247 ------- 00:37 19162 0.0 bias 01:37 19163 10.0 flat 01:40 19164 2.0 arc 02:04 19165 1200.1 target 02:37 19166 1800.1 target < 2 5.3 2.4 5.1 ----- sequence 19167, plate -9999 ------- 08:58 19167 0.0 bias ---=== TELESCOPE OFFSETS AND SCALE I ===--- Time Instrument Az Alt Rot Scale pos offset pos offset pos offset ------------------------------------------------------------------------------ 01:46Z 2 1247 49.27 0.0027 45.40 0.0011 219.52 0.0048 1.000300 ---=== TELESCOPE OFFSETS AND SCALE II ===--- ---=== DATA TAPE SUMMARY ===--- Goes: JL6005 Stays: JL6006 ---=== FOCUS LOG ===--- setmir piston Temp Wind Time Inst scale M1 M2 Foc Az Alt (C) MPH Dir filt fwhm ------------------------------------------------------------------------------ 01:45Z 2 1247 1.00030 -2961 -1280 -25 50 45.2 0.4 9 250 gdr 2.0" ---=== WEATHER LOG ===--- Wind Time Temp F Dewp F MPH Direction Dust DIMM Sky 21:09Z 37 -4 15 254 (WSW) 405 - pcl 21:42Z 37 -7 12 234 (SW) 453 - " 22:14Z 39 -5 12 246 (WSW) 267 - " 22:46Z 36 -7 15 262 (W) 342 - " 23:18Z 35 -7 11 271 (W) 466 - " 23:51Z 35 -6 12 228 (SW) 469 - " 00:58Z 32 -8 9 220 (SW) 459 - " 01:30Z 32 -5 9 209 (SSW) 533 - " 02:01Z 32 -5 13 234 (SW) 580 - " 02:32Z 32 -4 13 248 (WSW) 575 - mcl 03:03Z 33 -7 11 222 (SW) 448 - " 03:33Z 33 -7 13 234 (SW) 461 - " 04:03Z 33 -9 13 242 (WSW) 338 - " 04:33Z 34 -11 19 267 (W) 234 - " 05:34Z 34 -10 10 268 (W) 292 - tcl 06:04Z 34 -10 7 269 (W) 333 - " 06:34Z 34 -9 9 264 (W) 336 - " 07:04Z 34 -8 13 266 (W) 332 - " 07:35Z 34 -7 14 255 (WSW) 416 - " 08:09Z 34 -7 15 252 (WSW) 326 - " 08:41Z 34 -7 17 257 (WSW) 309 - " 09:13Z 33 -5 16 253 (WSW) 292 - " 09:45Z 33 -5 16 256 (WSW) 387 - " 10:17Z 32 -4 13 263 (W) 348 - " 10:50Z 32 -4 9 265 (W) 358 - " 11:22Z 33 -4 21 279 (W) 335 - " [pmt]cl = partly, mostly, totally cloudy ---=== TELESCOPE STATUS ===--- 23:35Z Enclosure doors opened, fans and blowers on, louvers opened. 00:35Z Enclosure off. 04:55Z Enclosure on (heavy clouds). 08:40Z Doors closed, fans and blowers off, louvers closed (approaching storm). Never reopened. Telescope stowed at 30 degrees with cartridge 3 (plate 1210) mounted. Counterweights at 280. Spectro auto-fill connected. Imager dewar 11:35 177 lb Spectro dewar 11:35 194 lb No interlocks bypassed. ---=== SOFTWARE USED ===--- IOP/SOP: v3_105_0 Watcher: v2_20_0 MCP: v5_17_0 TPM: tpm_v2_24_0 AstroDa: v14_47 TCC: TCC 2.6.8 sdssProcedures: v1_62 tccMon: v1_9 SoS: v4_9_13 hoggPT: v1_5_8 plate-mapper: v4_2_0 ---=== MIRROR NUMBERS ===--- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A 0.0840 0.0790 Axial B 0.7960 0.7970 Axial C 0.8050 0.8240 Trans D -9.0820 -9.1130 Lateral E 1.8550 1.8870 Lateral F 0.0000 1.4300 GALILS Commanded: 5400. -3700. 900. -200. 31550. 30650. Actual: 5377. -3699. 923. -208. 31535. 30647. SETMIR VALUES PriDesOrient: 0.00 -11.80 23.00 1256.90 642.10 PriOrient: 0.00 -12.16 22.81 1257.41 642.19 SECONDARY: ---------- Focus: 0.00 Air Temp.: 1.9 Alt.: 29.998542 MIGS TONIGHT NOMINAL Axial A 1.5180 1.5170 Axial B 1.1580 1.1560 Axial C 1.1030 1.0990 Trans D -0.6980 -0.7070 GALILS Commanded: 1619769. 1554899. 1576487. -3400. -7900. Actual: 1619636. 1555273. 1576326. -3383. -7925. SETMIR VALUES SecDesOrient: 1257.00 0.00 -20.00 0.00 130.98 SecOrient: 1256.96 -0.08 -20.07 -0.52 130.93 ---=== PROBLEMS IN DETAIL ===---