Date: Wed, 28 May 2008 11:01:48 -0000 (UTC) Subject: Re: 2.5m obslog 20080527 (MJD 54614) From: hjbrew@apo.nmsu.edu The integrated dust count was about 12K for the night. > > APACHE POINT OBSERVATORY SDSS 2.5M > > OBSERVING LOG > Tuesday May 27, 2008 > > (MJD 54614) > > ---=== OBSERVING TEAM ===--- > > Steph Snedden > Howard Brewington > > ---=== OBSERVING PLAN ===--- > > Avoid a pointing model! > > Science! > > ---=== OBSERVING SUMMARY ===--- > > West-door switch problem; see afternoon checkout. > > During a couple of arcs, we did a visual checks of the neon lamps; they > all worked > > Finished plate: 2928 > > Added signal to plates: 2640 and 2818 > > The pointing model for last month seems to work okay. > > ---=== OBSERVING LOG ===--- > > Afternoon: > ---------- > > When the west door of the 2.5-meter was opened, we discovered that it was > possible by pressing the yellow button (dead-man switch) only. In other > words, we did not have to press the yellow button and the open button as > normal. The door opened with just the yellow button. > > The spectro focus was checked but not adjusted; it's set for about 10-deg > C. > The Collimate results are posted in the Problem Section. > > 01:40Z Opened doors and started fans. > > Night: > ------- > > 02:10Z Sunset > > 02:12Z Enclosure off, topped-off spectro secondary dewars, checked > top/bottom > balance, did a test slew, checked fiducial crossings for each axis, > and started the DIMM. > > 02:26Z Cart 06, plate 2928 (segFaint180). An fk5 star was used to find > the > field in bright twilight with spiralPattern and offsets. The magic > offsets were A=-30 and D=-10. > > 03:25 53026 10.0 flat > 03:28 53027 2.0 arc > 03:41 Evening twilight > 04:00 53028 1500.0 target > 04:28 53029 1500.0 target > 04:31 53030 10.0 flat > 04:33 53031 2.0 arc (neon lamps were checked; all worked) > > This plate was declared DONE; see below: > > MJD b1 r1 b2 r2 Texp > ------------------------------------------ > 54612 14.5 8.3 17.8 10.7 1500.0 > 54612 15.5 8.6 18.7 11.1 1500.0 > 54612 13.8 7.7 16.3 11.4 1500.0 > 54612 11.6 6.4 14.0 9.1 1500.0 > 54612 12.2 6.7 14.4 9.0 1501.0 > 54614 14.7 7.3 17.4 10.3 1500.0 > 54614 15.3 6.8 17.0 9.4 1500.0 > Total 97.6 51.8 115.6 71.0 10501.0 > > 04:38Z Cart 09, plate 2460 (segFaint140). Field was found with fk5 and > offsets > from previous field. Completed four exposures; however, the plate > was > not finished. Final SN^2 was 29.3; a total of 50 was needed. > > 04:49 53032 10.0 flat > 04:52 53033 2.0 arc > 05:23 53034 1500.0 target > 05:25 53035 10.0 flat > 05:28 53036 2.0 arc > 05:31 Adjusted focus on sp1 by +2000 > 05:35 53037 10.0 flat > 05:38 53038 2.0 arc > 06:07 53039 1501.0 target > 06:35 53040 1501.0 target > 07:03 53041 1501.0 target > 07:06 53042 10.0 flat > 07:08 53043 2.0 arc (neon lamps were checked; all worked) > > > 07:12Z Cart 03, plate 2818 (segFaint167). Guide stars were found on > goToField. > Six exposures were completed with 41.7 SN^2 total. > 07:22 53044 10.0 flat > 07:24 53045 2.0 arc > 07:53 53046 1500.0 target > 08:21 53047 1501.0 target > 08:49 53048 1500.0 target > 08:52 53049 10.0 flat > 08:55 53050 2.0 arc > 09:24 53051 1501.0 target > 09:52 53052 1500.0 target > 10:19 Morning twilight > 10:20 53053 1500.0 target > 10:23 53054 10.0 flat > 10:25 53055 2.0 arc > > 10:34Z Enclosure on, fans off, and louvers closed. > > 04:55Z endNight finished and was happy > > ---=== IMAGING RUN SUMMARY ===--- > > Run Time Stripe Lambda Last Flavor Comments > Start End Begin End Frame > ------------------------------------------------------------------------- > > 7528 22:52Z 00:11Z 100 O -62.06 -42.09 128 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): y > > UT Exp Time flavor comment (S/N)^2 totals > ========================================== b1 r1 b2 r2 > > ----- sequence 53020, plate -9999 ------- > 22:56 53020 0.0 bias > > ----- sequence 53021, plate 2818 ------- > 23:06 53021 10.0 flat > 23:09 53022 2.0 arc > 23:14 53023 2.0 arc > 23:17 53024 3.0 arc > 01:34 53025 0.0 bias > > ----- sequence 53026, plate 2928 ------- > 03:25 53026 10.0 flat > 03:28 53027 2.0 arc > 04:00 53028 1500.0 target > 04:28 53029 1500.0 target > 04:31 53030 10.0 flat > 04:33 53031 2.0 arc > > ----- sequence 53032, plate 2460 ------- > 04:49 53032 10.0 flat > 04:52 53033 2.0 arc > 05:23 53034 1500.0 target > 05:25 53035 10.0 flat > 05:28 53036 2.0 arc > 05:35 53037 10.0 flat > 05:38 53038 2.0 arc > 06:07 53039 1501.0 target > 06:35 53040 1501.0 target > 07:03 53041 1501.0 target > 07:06 53042 10.0 flat > 07:08 53043 2.0 arc > > ----- sequence 53044, plate 2818 ------- > 07:22 53044 10.0 flat > 07:24 53045 2.0 arc > 07:53 53046 1500.0 target > 08:21 53047 1501.0 target > 08:49 53048 1500.0 target > 08:52 53049 10.0 flat > 08:55 53050 2.0 arc > 09:24 53051 1501.0 target > 09:52 53052 1500.0 target > 10:20 53053 1500.0 target > 10:23 53054 10.0 flat > 10:25 53055 2.0 arc > > ---=== TELESCOPE OFFSETS AND SCALE I ===--- > > Time Instrument Az Alt Rot Scale > pos offset pos offset pos offset > ------------------------------------------------------------------------------ > 03:12Z 6 2928 37.59 -0.0016 61.82 0.0061 211.28 0.0207 1.000200 > 04:56Z 9 2460 188.05 0.0008 55.68 0.0035 17.13 0.0264 1.000080 > 07:27Z 3 2818 23.67 -0.0026 63.52 0.0055 199.87 0.0257 1.000280 > > ---=== TELESCOPE OFFSETS AND SCALE II ===--- > > > ---=== FOCUS LOG ===--- > > setmir piston Temp Wind > Time Inst scale M1 M2 Foc Az Alt (C) MPH Dir filt > fwhm > ------------------------------------------------------------------------------ > 03:12Z 6 2928 1.00020 -1975 -587 -100 38 61.8 14.5 3 197 gdr > 1.3 > 04:55Z 9 2460 1.00008 -790 335 -175 188 55.7 14.7 9 180 gdr > 1.6 > 07:26Z 3 2818 1.00028 -2765 -1320 -175 24 63.5 15.4 2 218 gdr > 1.4 > > ---=== WEATHER LOG ===--- > > Wind > Time Temp F Dewp F MPH Direction Dust DIMM Sky > > 22:53Z 69 9 17 183 (S) 939 - > 23:23Z 66 8 14 248 (WSW) 1055 - > 23:53Z 68 11 13 247 (WSW) 952 - > 00:23Z 67 11 7 203 (SSW) 984 - > 00:55Z 65 12 12 252 (WSW) 1056 - > 01:25Z 63 13 7 183 (S) 1108 - > 01:56Z 60 12 7 191 (S) 1109 - > 02:27Z 58 10 4 182 (S) 1261 - > 02:59Z 57 11 6 201 (SSW) 1383 - > 03:29Z 58 12 5 185 (S) 1344 - > 04:00Z 59 12 4 178 (S) 1435 - > 04:30Z 58 11 8 174 (S) 1537 - > 05:01Z 58 10 9 180 (S) 1442 - > 05:32Z 59 11 10 177 (S) 1440 - > 06:03Z 59 7 9 209 (SSW) 1162 - > 06:33Z 59 5 6 227 (SW) 997 - > 07:03Z 59 5 5 234 (SW) 795 - > 07:34Z 59 5 0 200 (SSW) 878 - > 08:04Z 59 6 2 168 (SSE) 958 - > 08:34Z 58 5 14 130 (SE) 1271 - > 09:05Z 57 10 18 128 (SE) 1300 - > 09:36Z 58 13 14 138 (SE) 1455 - > 10:06Z 51 15 15 81 (E) 3292 - > 10:37Z 46 40 17 87 (E) 4482 - > > ---=== TELESCOPE STATUS ===--- > > 01:40Z Doors and louvers open, fans on. > 02:12Z Enclosure off. > 04:34Z Enclosure on, doors and louvers closed, fans off. > > No interlocks bypassed. > > Status at: 11:00Z > > Telescope stowed at: 30,121,00 mount > Instrument mounted: Cartridge 03 > Counterweights at: 250lbs > LN2 autofill systems: Connected and turned on. > 180L LN2 dewar scales: Spectro 312lbs, 20psi > Imager 148lbs, 21psi > > ---=== SOFTWARE USED ===--- > > IOP/SOP: v4_38_0 > Watcher: v2_36_0 > MCP: v6_4_0 > TPM: tpm_v3_5_0 > AstroDa: v15_13_1 > TCC: TCC 2.7.2.1 August 6 2004 > sdssProcedures: v2_40 > SoS: v5_1_8 > plate-mapper: v4_3_1 > > > ---=== MIRROR NUMBERS ===--- > > > PRIMARY: > -------- > Scale: 1.000000 > > MIGS TONIGHT NOMINAL > Axial A 0.0210 0.0200 > Axial B -0.0080 0.0000 > Axial C -0.0230 -0.0230 > Trans D -0.0020 0.0120 > Lateral E 10.0711 10.0584 > Lateral F 11.6332 11.6205 > > GALILS > Commanded: 4600. -2000. 2650. -12450. -6500. -6550. > Actual: 4600. -2000. 2650. -12450. -6500. -6550. > > > SETMIR VALUES > PriDesOrient: 0.00 0.00 0.00 100.00 -200.00 > PriOrient: 0.00 0.00 0.00 99.59 -200.69 > > SECONDARY: > ---------- > Focus: 0.00 > Air Temp.: 19.7 > Alt.: 29.990803 > > MIGS TONIGHT NOMINAL > Axial A -0.0380 -0.0440 > Axial B -0.0500 -0.0570 > Axial C -0.0540 -0.0670 > Trans D -0.0120 -0.0110 > > GALILS > Commanded: 1627504. 1653148. 1471026. -5900. -7800. > Actual: 1627500. 1653150. 1470900. -5900. -7800. > > > SETMIR VALUES > SecDesOrient: 1257.00 60.00 -4.00 -20.00 118.90 > SecOrient: 1257.03 59.95 -4.00 -19.91 119.32 > > > > ---=== PROBLEMS IN DETAIL ===--- > > Filename 02% 05% 10% 50% 90% 95% 98% > ------------------- ------ ------ ------ ------ ------ ------ > ------ > sdR-b1-00053025.fit -5.7 -3.9 -2.9 2.0 7.5 8.7 > 10.8 > sdR-b2-00053025.fit -8.8 -6.3 -5.0 1.3 7.2 8.9 > 10.9 > sdR-r1-00053025.fit -7.2 -5.0 -3.8 1.5 7.0 9.2 > 10.2 > sdR-r2-00053025.fit -7.8 -6.2 -4.6 1.2 6.9 8.5 > 10.6 > > Done for 74.561692 sec. > % Program caused arithmetic error: Floating underflow > % Program caused arithmetic error: Floating illegal operand > IDL 5.5a> apo_plotbias, 53025 > > ---=== Spectro Collimate Numbers ===--- > > IDL 5.5a> collimate, 53023 > > Reading /data/spectro/54614/sdR-b1-00053023.fit > Reading /data/spectro/54614/sdR-b1-00053024.fit > COLLIMATE: Min offset = -0.35 pix > COLLIMATE: Max offset = 0.83 pix > COLLIMATE: RMS across CCD = 0.27 pix > COLLIMATE: Mean offset = 0.22 pix > COLLIMATE: Camera b1 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) > COLLIMATE: Predict blue camera ring movement of -7.9 degrees for > spectro-1 > COLLIMATE: (if red is already in focus) > Log file = Collimate-54614-b1-00053023.log > PostScript file = Collimate-54614-b1-00053023.ps > > Reading /data/spectro/54614/sdR-b2-00053023.fit > Reading /data/spectro/54614/sdR-b2-00053024.fit > COLLIMATE: Min offset = -0.36 pix > COLLIMATE: Max offset = 0.22 pix > COLLIMATE: RMS across CCD = 0.15 pix > COLLIMATE: Mean offset = -0.00 pix > COLLIMATE: Camera b2 appears to be IN-FOCUS (|mean| COLLIMATE: Predict blue camera ring movement of 0.0 degrees for > spectro-2 > COLLIMATE: (if red is already in focus) > Log file = Collimate-54614-b2-00053023.log > PostScript file = Collimate-54614-b2-00053023.ps > > Reading /data/spectro/54614/sdR-r1-00053023.fit > Reading /data/spectro/54614/sdR-r1-00053024.fit > COLLIMATE: Min offset = -0.82 pix > COLLIMATE: Max offset = 0.19 pix > COLLIMATE: RMS across CCD = 0.30 pix > COLLIMATE: Mean offset = -0.35 pix > COLLIMATE: Camera r1 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) > COLLIMATE: Predict (red) piston movement of 3238 steps for spectro-1 > COLLIMATE: Issue SOP command: "sp1; mechPiston 3238" > Log file = Collimate-54614-r1-00053023.log > PostScript file = Collimate-54614-r1-00053023.ps > > Reading /data/spectro/54614/sdR-r2-00053023.fit > Reading /data/spectro/54614/sdR-r2-00053024.fit > COLLIMATE: Min offset = -0.91 pix > COLLIMATE: Max offset = 0.11 pix > COLLIMATE: RMS across CCD = 0.30 pix > COLLIMATE: Mean offset = -0.21 pix > COLLIMATE: Camera r2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) > COLLIMATE: Predict (red) piston movement of 1936 steps for spectro-2 > COLLIMATE: Issue SOP command: "sp2; mechPiston 1936" > Log file = Collimate-54614-r2-00053023.log > PostScript file = Collimate-54614-r2-00053023.ps > % Program caused arithmetic error: Floating illegal operand > IDL 5.5a> > > > > > DSS DSS DSS DSS DSS Digital Sky Survey DSS DSS DSS DSS DSS DSS > DSS *** The information posted to SDSS mailing lists is proprietary *** > DSS This is message 4071 in the sdss-25mlog archive, URL > DSS http://www.astro.princeton.edu:81/sdss-25mlog/msg.4071.html > DSS The index is at > http://www.astro.princeton.edu:81/sdss-25mlog/INDEX.html > DSS To join/leave the list, go to > DSS > http://www.astro.princeton.edu:81/cgi-bin/mailinglists.pl/show_subscription?list=sdss-25mlog > DSS To post a message, mail it to sdss-25mlog@astro.princeton.edu > DSS > DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS >