APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Tuesday June 15, 2004 (MJD 53172) ---=== OBSERVING TEAM ===--- Swing: Atsuko Kleinman Night: Howard Brewington, Pete Newman Visitors: John Barentine, Russet McMillan, Larry Carey (UW), Dan Long, Scot Kleinman, Russell Owen (UW), Jon Davies, French Leger, Tom Murphy (UCSD), Adam Orin (UCSD), Eric Williams (UCSD), Kim Miller (UW), Craig Loomis, Jackie Diehl (NSO), Mike Harvanek, Mark Klaene, Gretchen van Doren, and earlier, a photographer and reporter from the Alamogordo Daily News, and various representatives of local volunteer fire departments watching the Dog Fire (see log). ---=== OBSERVING PLAN ===--- Science and food. ---=== OBSERVING SUMMARY ===--- Finished 6 plates (main survey 1399, 1567, 1681, 1645, 1822, plus Low-z program 1031). Added excitment: a forest fire during the afternoon and an excellent Gourmet Night in the evening. ---=== OBSERVING LOG ===--- Fire News ========= Around 13:15 MDT, the first reports arrived of a fire at the head of Dog Canyon, about 4 miles SW on the plateau below the observatory. The Forest Service and local fire crews responded, and although the fire increased during hte afternoon, by sunset the fire was contained at 10 acres and dying out. The current state of the fire is reported on the Southwest Area Wildland Fire Operations news pages at: http://www.fs.fed.us/r3/fire/swapredictive/swaintel/daily/swaintnn.htm At no point was the observatory under threat, but it was interesting for everyone to at least think through the site emergency plans. Afternoon ================== The engCrew pressurized the enclosure so that the dust from the fire west of APO do not get inside. See end of log for spectrograph focus adjustments. Everything else checked out fine. Evening ======= Gourmet night with a record number of guests! Tonight's meal was in honour of Russell Owen, as a thanks for all his fine work on hardware and software, with extra thanks to Craig Loomis, for keeping the bits flying, and Dan Long for being Just A Great Guy. And, on a sadder note, in remembrance of Daniel McMillan (1990-2004, Russet's wonderful dog, who had been ill for some time). The Menu: --------- Toasts of Martinelli champagne during the pre-dinner speeches (**see below) Green Salad Mango, avocado and wild spearmint salad Calamata olive salad with grilled seasoned chicken strips Four kinds of hand-made pizza Spicy miso roasted chicken Khorest-e-fesenjen Chicken roasted in beer with a cranberry and orange glaze Himalayan red rice and steamed white rice Zucchini, corn and chilli verde casserole Scalloped potatoes Heated flour tortillas Natural vanilla icecream with Hershey's Almond Nuggets Cherry, peach and blueberry pie Key lime pies Strawberry pie Chocolate ring cake As usual, details and photographs will appear in due course on http://galileo.apo.nmsu.edu/~prn/aposog/ ** Ok, not real champagne, but good alcohol-free sparkling apple cider was close enough on site. Night ===== We noted during the night that the pressure in the imager LN2 dewar was falling, from 19psi at 02:30Z to 16psi at 06:00Z. The start seems to coincide with the end of a secondary dewar fill. At the end of the night, we traced this to a finger-tight connection to the vent side of the dewar, which we tightened. By sunset, the dust counts were well within limits. After consulting with Mark Klaene, we decided it was safe to open. Lots of patchy clouds, so we started with spectroscopy. Sometime around 03Z we had a big flurry of TPM errors regarding mirror sensors being disconnected. We cleared the watcher errors. It recurred around 10Z. At the end of the night, watcher apparently missed high dust counts seen in displayweath. PR 6078 was filed. endNight is running as this log is being mailed. Observing sequence (guide stars on gotoField unless noted): 03:03Z Plate 1681, cartridge 3. Done in 3 exposures, 2040 s. Main survey. FK5 used to center pointing during bright twilight. Science exposures started ~15 min before 18deg twilight. 04:21Z Plate 1645, cartridge 5. Done in 3 exposures, 2520 s. Main survey. FK5 found just off the fiber. Increaasing cloud towards the end. 05:31Z Plate 1822, cartridge 1. Done in 3 exposures, 2700 s. Main survey. Guide stars just west of fibers. Increasing clouds reducing efficiency. 06:53Z Plate 1399, cartridge 2. Done in 3 exposures, 3300 s. Main survey. 08:18Z Plate 1567, cartridge 8. Done in 3 exposures, 2420 s. Main survey. 09:23Z Plate 1031, cartridge 7. Done in 3 expsoures, 3300s, when combined with observations from MJD 53169. Low-z program requiring (S/N)^2 >= 30 in the r chips. ---=== IMAGING RUN SUMMARY ===--- Run Time Stripe Lambda Last Flavor Comments Start End Begin End Frame ------------------------------------------------------------------------- 4683 22:44Z 23:07Z 100 O -45.11 -39.49 52 ignore doghouse ---=== 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):n UT Exp Time flavor comment (S/N)^2 totals ========================================== b1 r1 b2 r2 ----- sequence 27191, plate -9999 ------- 22:41 27191 0.0 bias ----- sequence 27192, plate 1681 ------- Ignore - focus checks. 23:08 27192 10.0 flat 23:11 27193 2.0 arc 23:33 27194 2.1 arc 23:36 27195 2.1 arc 23:51 27196 2.1 arc 23:53 27197 2.1 arc 00:03 27198 2.1 arc 00:06 27199 2.1 arc ----- sequence 27200, plate -9999 ------- 01:15 27200 0.0 bias 01:20 27201 0.0 bias ----- sequence 27202, plate 1681 ------- 20.0 15.9 17.9 14.4 DONE 03:23 27202 10.0 flat 03:25 27203 2.0 arc 03:50 27204 720.1 target 04:05 27205 720.1 target 04:18 27206 600.1 target ----- sequence 27207, plate 1645 ------- 19.2 19.4 18.2 13.9 DONE 04:33 27207 10.0 flat 04:35 27208 2.0 arc 04:51 27209 720.1 target 05:09 27210 900.1 target 05:27 27211 900.1 target ----- sequence 27212, plate 1822 ------- 14.9 15.2 19.3 16.6 DONE 05:51 27212 10.0 flat 05:53 27213 2.0 arc 06:13 27214 900.1 target 06:36 27215 1200.1 target 06:49 27216 600.1 target ----- sequence 27217, plate 1399 ------- 19.2 21.0 20.1 13.7 DONE 07:00 27217 10.0 flat 07:03 27218 2.0 arc 07:22 27219 900.1 target 07:45 27220 1200.1 target 08:08 27221 1200.1 target 08:12 27222 10.0 flat 08:15 27223 2.0 arc ----- sequence 27224, plate 1567 ------- 17.6 16.5 15.1 15.9 DONE 08:26 27224 10.0 flat 08:28 27225 2.0 arc 08:47 27226 900.1 target 09:03 27227 720.1 target 09:19 27228 800.1 target ----- sequence 27229, plate 1031 ------- ---- 12.1 ---- 11.5 MJD 53169 09:31 27229 10.0 flat ---- 22.2 ---- 21.7 Tonight 09:34 27230 2.0 arc =================== 09:57 27231 1200.1 target ---- 34.3 ---- 33.2 DONE 10:20 27232 1200.1 target 10:38 27233 900.1 target 10:42 27234 10.0 flat 10:44 27235 2.0 arc ---=== TELESCOPE OFFSETS AND SCALE I ===--- Time Instrument Az Alt Rot Scale pos offset pos offset pos offset ------------------------------------------------------------------------------ 03:36Z 3 1861 110.87 -0.0007 68.56 0.0041 -84.16 -0.0081 1.000430 04:53Z 5 1645 255.37 0.0052 78.45 0.0014 82.89 -0.0068 1.000240 05:58Z 1 1822 -20.45 0.0003 61.81 0.0014 162.73 -0.0152 1.000190 07:27Z 2 1399 248.32 -0.0014 55.15 0.0003 93.89 0.0105 1.000090 08:54Z 8 1567 283.01 0.0003 53.00 0.0012 120.10 -0.0187 1.000130 11:08Z 7 1031 121.00 -0.0024 30.00 0.0020 0.00 -0.0164 1.000070 NB: Last offset recorded after stowing. ---=== TELESCOPE OFFSETS AND SCALE II ===--- ---=== DATA TAPE SUMMARY ===--- Goes: JL7658 Stays: JL7659 ---=== FOCUS LOG ===--- setmir piston Temp Wind Time Inst scale M1 M2 Foc Az Alt (C) MPH Dir filt fwhm ------------------------------------------------------------------------------ 03:35Z 3 1681 1.00043 -4244 -2556 -175 111 68.5 18.4 10 219 BG38 1.0 04:53Z 5 1645 1.00024 -2370 -942 -100 255 78.5 18.1 6 263 BG38 1.2 05:58Z 1 1822 1.00019 -1876 -580 -175 -20 61.8 17.4 8 318 BG38 1.3 07:27Z 2 1399 1.00009 -889 254 -175 248 55.2 17.4 6 274 BG38 1.4 08:53Z 8 1567 1.00013 -1284 -41 -150 283 53.0 17.1 9 280 BG38 1.3 11:08Z 7 1031 1.00007 -691 558 -150 121 30.0 15.9 2 184 BG38 1.2 NB: Last focus recorded after stow. ---=== WEATHER LOG ===--- Wind Time Temp F Dewp F MPH Direction Dust DIMM Sky 22:26Z 75 30 20 209 (SSW) 1819 - Patchy light cloud 22:58Z 72 27 14 246 (WSW) 1857 - " 23:31Z 79 30 10 224 (SW) 1707 - " 00:03Z 74 26 13 270 (W) 1701 - " 00:33Z 73 27 19 252 (WSW) 1922 - " 01:04Z 70 24 16 270 (W) 1746 - " 01:34Z 69 23 10 257 (WSW) 1814 - " 02:04Z 66 20 15 262 (W) 1562 - " 02:28Z 65 18 12 265 (W) 1767 - " 02:58Z 65 18 12 245 (WSW) 2104 - " 03:29Z 64 18 10 229 (SW) 1703 - " 03:59Z 64 18 9 215 (SW) 1719 - " 04:29Z 64 18 8 256 (WSW) 1860 - " 05:01Z 64 18 6 262 (W) 1664 - Patchy heavy cloud 05:34Z 64 17 1 299 (WNW) 1369 - " 06:06Z 63 17 8 279 (W) 1093 - " 06:40Z 63 17 7 315 (NW) 892 - " 07:11Z 63 18 5 265 (W) 757 - " 07:43Z 63 18 5 269 (W) 865 - " 08:15Z 62 17 7 304 (NW) 744 - " 08:45Z 62 17 6 279 (W) 749 - " 09:16Z 62 16 2 321 (NW) 761 - " 09:46Z 61 16 5 271 (W) 763 - " 10:17Z 61 15 2 240 (WSW) 786 - " 10:49Z 60 15 3 197 (SSW) 799 - " ---=== TELESCOPE STATUS ===--- 02:10Z Fans on, enclosure off. 11:00Z Enclosure on, fans off. No interlocks bypassed. Status at 11:05Z: Telescope stowed at: 30 deg altitude Instrument mounted: Cartridge 4 Counterweights at: 250 Autofill systems: On 180L LN2 dewar scales: Spectro 103 lb, 18 psi Imager 194 lb, 14 psi We had noticed the pressure on the imager 180L dewar dropping during the night on the TPM displays. At the end of the night, we traced this to a finger-tight connector between the pressurization line and the dewar vent, which we tightened. We trust the pressure will recover. ---=== SOFTWARE USED ===--- IOP/SOP: v3_138_0 Watcher: v2_29_0 MCP: v5_25_0 TPM: tpm_v2_42_0 AstroDa: v14_47 TCC: TCC 2.7.2 November 11 2003 sdssProcedures: v1_90 SoS: v4_10_7 hoggPT: v1_6_9 plate-mapper: v4_3_1 ---=== MIRROR NUMBERS ===--- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A 0.4480 0.4450 Axial B 0.6770 0.6770 Axial C 1.1020 1.0980 Trans D -9.5250 -9.5280 Lateral E 10.6045 10.6172 Lateral F 10.5918 10.6172 GALILS Commanded: 5900. -3250. 2600. 7850. 10150. 9750. Actual: 5890. -3255. 2615. 7836. 10164. 9749. SETMIR VALUES PriDesOrient: 0.00 -19.60 10.70 586.50 1069.10 PriOrient: 0.00 -19.75 10.53 586.52 1069.84 SECONDARY: ---------- Focus: 0.00 Air Temp.: 24.6 Alt.: 30.009991 MIGS TONIGHT NOMINAL Axial A 1.5080 1.5100 Axial B 1.0940 1.0950 Axial C 1.1070 1.1110 Trans D -0.0020 0.0020 GALILS Commanded: 1628764. 1548002. 1574238. -3900. -8750. Actual: 1628641. 1548187. 1574504. -3899. -8726. SETMIR VALUES SecDesOrient: 1257.00 0.00 -25.00 0.00 146.27 SecOrient: 1256.91 0.06 -25.11 0.19 146.52 ---=== PROBLEMS IN DETAIL ===--- We continue to see the following TPM errors on a regular basis: dewar (Imager Dewar Scale Communications Fault:: 2004-06-16 06:50:55Z) m2 mig (Communications Fault: 2004-06-16 06:57:14Z) ---=== SPECTROGRAPH FOCUS ADJUSTMENT ===--- At the time of collimation check, it was: tpm_TM_PMSSAvg 18.2321 tpm_TM_TelairAvg.VALA 17.06 sp1 ---- Before Coll_motor_A -42 Coll_motor_B -41 Coll_motor_C -41 After mechPiston 3821 Coll_motor_A 3780 Coll_motor_B 3780 Coll_motor_C 3789 sp2 ----- Before Coll_motor_A 5670 Coll_motor_B -732 Coll_motor_C -930 After mechPiston 3577 Coll_motor_A 9248 Coll_motor_B 2845 Coll_motor_C 2658 In spec, but could be better. So I make another adjustment. After mechPiston 876 Coll_motor_A 10123 Coll_motor_B 3721 Coll_motor_C 3523