APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Tuesday August 10, 2004 (MJD 53228) ---=== OBSERVING TEAM ===--- Steph Snedden Howard Brewington Craig Loomis (support) ---=== OBSERVING PLAN ===--- Science! ---=== OBSERVING SUMMARY ===--- Two plates done (possibly three, depending on feedback from FNAL), signal on two more and a lot of problems: 1 - Bad arcs at times - Unfortunately, we did not catch them in the act, so we don't know if it's a flickering lamp or just a weak lamp. This cost us two exposures, we believe, because it suppressed the S/N as a result of increased sky residuals. 2 - Wrong number of pix on spectrograph 1 several times. 3 - sirrobert, the laptop, crashed 4 - internet off-site was slow for about an hour, and some weather sites unavailable. 5 - XMAX out of spec causing us a lost exposure. Please do not send sympathy. We would prefer unblended Oban Scotch or possibly Prozac. ---=== OBSERVING LOG ===--- Swing: ------ Craig pounded on Landru today to see if he could duplicate last night's failure, without success. He also believes the slowdown of the guider last night was with the transfer of cloudcam images from hoggpt to Landru, and has greased that chute. In his words: "The guider problems are almost certainly due to miswiring: I had mistakenly connected hoggpt to sdsshost's diagnostic repeater. Since folks tend to watch the network-blasting IRSC movie loops, sdsshost's network connection would have been overwhelmed." DA - OK, instruments OK, Spectro focus adjusted (see problems section for collimator values). Night: ----- Counterweight settings are back at about 250 with full 10-l dewars for spectroscopy ( more work was done on the bolt-mounted counterweights for lateral balance today). 02:38Z - Cartridge 1, plate 1728 Guide stars on goToField. We had a bad arc (possibly one lamp that was faint or flickered?) that suppressed the r2 S/N on SoS for the first two science exposures. After a new arc, r2 S/N was good. We believe this plate is done, but have requested feedback from Jen before we unplug the cartridge. Total exposure time: 3120 s. 04:11Z - Threatening weather to the NE forced us to close. Some off-site weather websites became unavailable at this time and all off-site traffic was slow. We were cautious about opening back up, waiting until we could access some radar. 06:35Z - Opened again with cartridge 6, plate 1884. Guide stars on goToField. SEGUE plate. As with a previous SEGUE plate, r camera (S/N)^2 was about half that of the b cameras. We followed Brian Yanny's instructions. Since the sky was mostly clear, we did three 900s exposures and stopped. We declared the plate done, based on the b S/N, and because we needed the cartridge for tomorrow night, but asked for feedback from Brian. 07:49Z - Cartridge 7, plate 1138 A Bundle of problems: Problem 1: When down at the telescope for cartridge change, we saw that the laptop sirrobert had crashed. We rebooted it. Needed an FK5 to find the guide stars, but the FK5 was at the edge of fiber 10. Problem 2:The first flat showed the dreaded "wrong num of pix" on spectrograph 1. We declared that flat bad and took another one. The Watcher errors are below. Problem 3:We also had another bad arc, with nlamps for r2 too low. Another arc was taken. A PR was filed for someone to check the neon lamps. Problem 4: Wrong num of pix on the science exposure. 08:39Z - Cartridge 8, plate 1660 Needed an FK5, but it was at the edge of fiber 10. However, after centering the FK5, still no guide stars. Needed a spiralPattern to find them. This is another SEGUE plate and again, the blue (S/N)^2 are higher than the red. We got two exposures before it expired. THIS PLATE ONLY NEEDS ONE MORE GOOD EXPOSURE TO DECLARE IT DONE, despite the apparent lack of signal in r1. 10:00Z - Cartridge 9, plate 1144 Guide stars on goToField. XMAX went out of spec, and had to be adjusted. The r2 arc was marginal, although nothing was obviously wrong while watching the lamps come on. We saw more "wrong num of pix" on spectro 1. The marginal arc suppressed the r2 (S/N)^2 below 2, so the one science exposure was not useful. Twilight. We closed. endNight rejoiced. ---=== IMAGING RUN SUMMARY ===--- Run Time Stripe Lambda Last Flavor Comments Start End Begin End Frame ------------------------------------------------------------------------- 4764 22:55Z 23:11Z 100 O 12.65 16.82 41 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):y QA Procedures Done (y/n):partially UT Exp Time flavor comment (S/N)^2 totals ========================================== b1 r1 b2 r2 ----- sequence 27747, plate -9999 ------- 22:45 27747 0.0 bias ----- sequence 27748, plate 1144 ------- 23:43 27748 10.0 flat 23:45 27749 2.0 arc 23:48 27750 2.1 arc 23:50 27751 2.1 arc 00:30 27752 2.1 arc 00:32 27753 2.1 arc ----- sequence 27754, plate -9999 ------- 02:22 27754 0.0 bias ----- sequence 27755, plate 1728 ------- 02:25 27755 0.0 bias 02:54 27756 10.0 flat 02:56 27757 2.0 arc 03:17 27758 720.1 target 03:40 27759 1200.1 target 03:44 27760 2.0 arc 04:07 27761 1200.1 target ----- sequence 27762, plate 1884 ------- 06:39 27762 10.0 flat 06:42 27763 2.0 arc 07:01 27764 900.1 target 07:19 27765 900.1 target 07:37 27766 900.1 target ----- sequence 27767, plate 1138 ------- 07:56 27767 10.0 flat 07:59 27768 2.0 arc 08:02 27769 10.0 flat 08:10 27770 2.0 arc 08:28 27771 900.1 target ----- sequence 27772, plate 1660 ------- 08:50 27772 10.0 flat 08:53 27773 2.0 arc 09:04 27774 2.0 arc 09:22 27775 900.1 target 09:45 27776 1200.1 target ----- sequence 27777, plate 1144 ------- 10:00 27777 10.0 flat 10:02 27778 2.0 arc 10:20 27779 10.0 flat 10:43 27780 1200.1 target ---=== TELESCOPE OFFSETS AND SCALE I ===--- Time Instrument Az Alt Rot Scale pos offset pos offset pos offset ------------------------------------------------------------------------------ 03:07Z 1 1728 -43.32 0.0033 59.05 0.0011 144.20 -0.0075 1.000310 06:46Z 6 1884 120.15 0.0040 57.01 0.0016 -85.37 -0.0157 1.000340 08:15Z 7 1138 -4.48 0.0012 57.12 0.0003 176.13 -0.0127 1.000340 09:07Z 8 1660 192.43 0.0048 40.80 0.0000 54.88 -0.0077 1.000370 10:05Z 9 1144 -47.10 0.0023 46.60 -0.0004 141.89 -0.0067 1.000400 ---=== TELESCOPE OFFSETS AND SCALE II ===--- ---=== DATA TAPE SUMMARY ===--- Goes: JL7689 Stays: JL7690 ---=== FOCUS LOG ===--- setmir piston Temp Wind Time Inst scale M1 M2 Foc Az Alt (C) MPH Dir filt fwhm ------------------------------------------------------------------------------ 03:07Z 1 1728 1.00031 -3060 -1504 -125 -43 59.1 16.2 6 266 - 1.0 06:46Z 6 1884 1.00034 -3356 -1619 0 120 57.0 14.4 13 183 - 1.5 08:15Z 7 1138 1.00034 -3356 -1694 -75 -4 57.1 14.4 7 192 - 1.2 09:07Z 8 1660 1.00037 -3653 -1861 -50 192 40.8 14.3 10 216 - 1.6 10:05Z 9 1144 1.00040 -3949 -2178 -100 -47 46.6 14.3 8 218 - 1.2 ---=== WEATHER LOG ===--- Wind Time Temp F Dewp F MPH Direction Dust DIMM Sky 20:43Z 65 47 8 252 (WSW) 86274 - pcl 21:15Z 69 48 7 267 (W) 89412 - " 21:48Z 67 45 9 283 (WNW) 81704 - " 22:48Z 64 34 5 174 (S) 76756 - " 23:22Z 67 35 10 41 (NE) 74300 - " 23:54Z 66 35 5 261 (W) 74139 - " 00:26Z 66 39 10 280 (W) 78205 - " 00:58Z 66 39 5 267 (W) 79982 - " 01:30Z 64 38 2 273 (W) 79244 - " 02:03Z 63 38 6 273 (W) 91521 - " 02:35Z 62 38 5 266 (W) 104736 - " 03:05Z 61 38 5 261 (W) 100134 - " 03:36Z 61 39 6 181 (S) 106065 - " 04:08Z 60 39 8 168 (SSE) 101018 - " 04:40Z 59 39 11 184 (S) 94108 - " 05:12Z 57 41 8 85 (E) 102795 - : 05:45Z 55 42 9 82 (E) 209434 - " 06:17Z 55 42 2 147 (SSE) 227435 - " 06:49Z 59 38 13 192 (SSW) 228381 - " 07:20Z 58 38 10 182 (S) 232811 - mclear 07:53Z 58 41 9 201 (SSW) 230985 - " 08:25Z 57 41 7 228 (SW) 232956 - " 08:55Z 57 40 11 212 (SSW) 240024 - " 09:26Z 57 40 10 236 (SW) 241480 - " 09:57Z 57 39 9 227 (SW) 242425 - " 10:28Z 56 39 7 240 (WSW) 244964 - " 10:58Z 57 38 7 207 (SSW) 239298 - " " ---=== TELESCOPE STATUS ===--- 01:45Z - Started ventilating enclosure. Doors opened. 02:25Z - Opened enclosure 04:12Z - Closed enclosure. Left doors open, blower on. 06:35Z - Reopened enclosure 11:04Z - Closed enclosure. Ventilation off. Stowed at 30 deg alt with cartridge 9 mounted. Counterweights at 245. Spectro auto-fill connected. 11:16Z - Spectro dewar weights: 144 11:16Z - Imager dewar weights: 188 ---=== SOFTWARE USED ===--- IOP/SOP: v3_140_0 Watcher: v2_29_0 MCP: v5_25_0 TPM: tpm_v2_42_0 AstroDa: v14_47 TCC: TCC 2.7.2.1 August 6 2004 sdssProcedures: v1_92 SoS: v4_10_7 hoggPT: v1_6_9 plate-mapper: v4_3_1 ---=== MIRROR NUMBERS ===--- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A 0.5270 0.5260 Axial B 0.7020 0.7130 Axial C 0.9990 0.9990 Trans D -8.6810 -8.6780 Lateral E 11.5316 11.5062 Lateral F 11.5062 11.4808 GALILS Commanded: 4850. -3650. 4050. -6150. 40200. 39150. Actual: 4850. -3650. 4050. -6150. 40200. 39150. SETMIR VALUES PriDesOrient: 0.00 -3.60 26.90 1470.40 198.00 PriOrient: 0.00 -3.80 26.76 1470.93 196.30 SECONDARY: ---------- Focus: 0.00 Air Temp.: 19.1 Alt.: 29.999841 MIGS TONIGHT NOMINAL Axial A 1.5020 1.7810 Axial B 1.1090 1.3910 Axial C 1.0850 1.3710 Trans D 0.0650 0.0630 GALILS Commanded: 1628808. 1548802. 1574496. -3900. -8750. Actual: 1628650. 1548200. 1574500. -3900. -8750. SETMIR VALUES SecDesOrient: 1257.00 0.00 -25.00 0.00 146.27 SecOrient: 1257.20 0.16 -24.89 0.33 146.45 ---=== PROBLEMS IN DETAIL ===--- Spectro Focus: -------------- T=15.0C, Cartridge 9 Before focus sp1: Coll_motor_A 425 Coll_motor_B 1390 Coll_motor_C -476 sp2: Coll_motor_A 2259 Coll_motor_B 52 Coll_motor_C -641 After focus: sp1: Coll_motor_A 425 Coll_motor_B 1389 Coll_motor_C -476 sp2: Coll_motor_A 1236 Coll_motor_B -965 Coll_motor_C -3264 Spectro Wrong Number of Pix: ---------------------------- dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:107 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:107 : 2004-08-11 07:56:32Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:107 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:107 : 2004-08-11 07:56:32Z ) dsc E trcErr WRONG num of pix?? 2126 should be 2128 (dsc_E_trcErr WRONG num of pix?? 2126 should be 2128 : 2004-08-11 07:56:32Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:778 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:778 : 2004-08-11 08:28:47Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:1027 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:1027 : 2004-08-11 08:28:58Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:1027 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:1027 : 2004-08-11 08:28:58Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:776 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:776 : 2004-08-11 08:28:47Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:778 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:778 : 2004-08-11 08:28:47Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:776 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:776 : 2004-08-11 08:28:47Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:778 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:778 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:107 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:107 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:1027 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:1027 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:1027 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:1027 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:107 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:107 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? 2126 should be 2128 (dsc_E_trcErr WRONG num of pix?? 2126 should be 2128 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:776 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:776 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:778 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000001 rowIdx:778 : 2004-08-11 10:44:51Z ) dsc E trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:776 (dsc_E_trcErr WRONG num of pix?? for (sr<<16)|ccd:0x00000000 rowIdx:776 : 2004-08-11 10:44:51Z ) Watcher errors: --------------- altitude (Windscreen touched in altitude: UP (2004-08-11 04:10:13Z sdssmcp): 2004-08-11 04:10:19Z ) dewar (Spectro Dewar Scale Communications Fault: 2004-08-10 23:20:16Z) tracking (Excessive Az Tracking Error:: 2004-08-11 02:14:47Z) m2 mig (Communications Fault: 2004-08-10 23:46:35Z)