From: kaike pan Subject: Re: 2.5m obslog 20080315 (MJD 54541) Date: Mon, 17 Mar 2008 08:23:54 -0600 > sorry, I missed observers' names in the log: Elena Malanushenko, Kaike Pan > On Mar 16, 2008, at 5:30 AM, Kaike Pan wrote: > >> >> APACHE POINT OBSERVATORY SDSS 2.5M >> >> OBSERVING LOG >> Saturday March 15, 2008 >> >> (MJD 54541) >> >> ---=== OBSERVING TEAM ===--- >> >> Howard Brewington (dayShift) >> ---=== OBSERVING PLAN ===--- >> >> Science! >> ---=== OBSERVING SUMMARY ===--- >> >> The telescope vibrations returned today; see afternoon checkout. >> The cloud camera problem from last night has been resolved; see >> afternoon >> checkout. >> >> Clouds got us, we never open. Got dithered flats. >> >> During morning checkout, we found that the red light on the >> circulation >> panel (the southwest wall of lower enclosure) was flashing and >> bepping. >> Pressing acknowledge buttom stoped the bepping, but the light was >> still >> flashing. >> >> ---=== OBSERVING LOG ===--- >> >> Afternoon: >> ---------- >> >> During the checkout, while doing test slews, I noticed that the >> 2.5-meter >> telescope had a very bad vibration again when moved in Az and Rot >> with the >> following commands: >> >> scope position: 121,90,40 >> TCC> track 151, 90 mount /rota=00 /rotty=mount >> scope position: 151,90,00 >> TCC> track 121, 90 mount /rota=40 /rotty=mount >> >> The vibration occurred only when slews were done at the same time >> with Az and >> Rot. The vibration was greatest at the end of the slews. I talked >> with Dan >> Long about the problem. He asked that I change some of the I and >> D values, >> via the mcpMenu, for Az and Rot. Then, I did test slews while >> monitoring the >> behavior of the scope. Dan was able to gather some useful data. >> After these >> tests, I returned the I and D values for Az and Rot to their >> normal settings. >> >> The cloud camera was also unhappy. I found no images from last >> night at: >> [irsc@zaphod:/data/home/irsc/data/54540], and no images were >> landing in >> today's directory of 54541. I confirmed the 12-volt DC source >> voltage at the >> CCD camera as well as the camera's raw video output. I also >> confirmed the >> green status lights on the video/fiber converters. Beyond these >> checks, I >> concluded the problem was most likely software related, so I >> contacted Jon >> Brinkmann. He discovered a permission problem that resulted from >> a recent >> (auto) software update. >> >> The spectro focus was checked but not adjusted; it's set for about >> +5.0 >> degrees C. The spectro numbers via collimate are posted in the >> Problems >> Section. >> >> The disk space at /data and /files was good; see below: >> Filesystem Size Used Avail Use% Mounted on >> /dev/sda3 142G 127G 7.9G 95% / >> /dev/sda1 99M 30M 64M 33% /boot >> /dev/sdb1 917G 620G 251G 72% /data >> sdssfiles1:/data1/data >> 1.5T 542G 851G 39% /files >> >> iccSoundOff responded that all crates were available; see Problems >> Section for >> command's output. >> >> I did not start ventilation because of clouds and high dust count. >> >> Night: >> ------ >> 02:00Z cloudy and dust count at 3 K. >> 04:00Z dust count down to 2K, we decided to start ventilation. >> 05:20Z started dithered flats. The first attempt did not success >> due to an error: Motor problem, mechanics did not responds >> correctly, response was mb 100. >> 05:56Z The second attempt was good. >> dithered flat frames: 51080 -- 51094 >> associated arc frames: 51095 - 96. >> >> 11:35Z endNight rejoiced. >> >> >> ---=== IMAGING RUN SUMMARY ===--- >> >> Run Time Stripe Lambda Last Flavor Comments >> Start End Begin End Frame >> >> --------------------------------------------------------------------- >> ---- >> >> 7369 20:41Z 21:23Z 100 O -166.66 -156.25 83 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 >> >> ----- sequence 51069, plate -9999 ------- >> 20:07 51069 0.0 bias >> ----- sequence 51070, plate 2961 ------- >> 20:37 51070 10.0 flat >> 20:39 51071 2.0 arc >> 20:44 51072 3.0 arc >> 20:46 51073 3.0 arc >> ----- sequence 51074, plate -9999 ------- >> 00:16 51074 0.0 bias >> 00:21 51075 0.0 bias >> ----- sequence 51076, plate 2961 ------- >> 05:11 51076 10.0 flat >> 05:14 51077 2.0 arc >> 05:26 51078 10.0 flat >> 05:30 51079 10.0 flat >> 06:01 51080 10.0 flat >> 06:05 51081 10.0 flat >> 06:09 51082 10.0 flat >> 06:13 51083 10.0 flat >> 06:18 51084 10.0 flat >> 06:22 51085 10.0 flat >> 06:26 51086 10.0 flat >> 06:30 51087 10.0 flat >> 06:34 51088 10.0 flat >> 06:38 51089 10.0 flat >> 06:42 51090 10.0 flat >> 06:47 51091 10.0 flat >> 06:51 51092 10.0 flat >> 06:55 51093 10.0 flat >> 06:59 51094 10.0 flat >> 07:03 51095 2.0 arc >> 07:06 51096 2.0 arc >> ---=== 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 >> >> 19:03Z 44 8 31 265 (W) 2259 - overcast >> 19:35Z 45 8 23 268 (W) 2146 - >> 20:07Z 46 10 23 267 (W) 2074 - >> 20:38Z 49 12 23 227 (SW) 2359 - >> 21:08Z 51 13 32 235 (SW) 2106 - >> 21:40Z 46 11 33 259 (W) 1780 - >> 22:12Z 47 12 31 261 (W) 1968 - >> 22:48Z 47 8 30 265 (W) 1869 - >> 23:20Z 51 9 30 256 (WSW) 1789 - >> 23:52Z 47 6 32 260 (W) 1571 - >> 00:25Z 46 7 25 268 (W) 2063 - >> 00:57Z 45 6 30 248 (WSW) 2515 - >> 01:49Z 44 6 21 252 (WSW) 3222 - >> 02:21Z 43 7 19 249 (WSW) 2824 - >> 02:53Z 43 10 19 262 (W) 2702 - >> 03:25Z 43 11 17 241 (WSW) 2171 - >> 03:58Z 42 11 21 253 (WSW) 1845 - >> 04:30Z 41 11 28 232 (SW) 1729 - >> 05:02Z 41 11 22 231 (SW) 1416 - >> 05:34Z 42 12 27 240 (WSW) 1464 - >> 06:06Z 42 13 39 233 (SW) 1836 - >> 06:38Z 41 13 33 227 (SW) 1850 - >> 07:10Z 41 11 33 231 (SW) 1443 - >> 07:42Z 40 9 33 242 (WSW) 1266 - >> 08:15Z 40 8 29 221 (SW) 1039 - >> 08:47Z 39 9 26 235 (SW) 1209 - >> 09:19Z 39 11 21 238 (WSW) 1254 - >> 09:51Z 39 12 24 213 (SSW) 1259 - >> 10:23Z 39 11 15 232 (SW) 1392 - >> 10:55Z 39 11 32 242 (WSW) 1409 - overcast >> >> 11:28Z 38 12 29 228 (SW) 1505 - >> ---=== TELESCOPE STATUS ===--- >> >> >> No interlocks bypassed. >> >> Status at: 11:40Z >> Telescope stowed at: 30,121,00 mount >> Instrument mounted: Cartridge 9 >> Counterweights at: 268 lbs >> LN2 autofill systems: Connected and turned on. >> 180L LN2 dewar scales: Spectro 71 lbs, 22 psi >> Imager 164 lbs, 20 psi >> >> >> ---=== 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_38 >> SoS: v5_1_8 >> plate-mapper: v4_3_1 >> ---=== MIRROR NUMBERS ===--- >> >> PRIMARY: >> -------- >> Scale: 1.000000 >> MIGS TONIGHT NOMINAL >> Axial A -5.2150 -5.2160 >> Axial B -0.2140 -0.2142 >> Axial C -0.0016 -0.0016 >> Trans D 11.8520 11.8540 >> Lateral E 10.0838 10.0584 >> Lateral F 11.6586 11.6586 >> 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.: 8.6 >> Alt.: 29.665132 >> MIGS TONIGHT NOMINAL >> Axial A 0.8024 0.8025 >> Axial B 0.6122 0.6120 >> Axial C 0.5474 0.5474 >> Trans D 0.6006 0.6008 >> GALILS >> Commanded: 1627491. 1653148. 1470906. -5900. -7800. >> Actual: 1627500. 1653150. 1470900. -5900. -7800. >> SETMIR VALUES >> SecDesOrient: 1257.00 60.00 -4.00 -20.00 118.90 >> SecOrient: 1257.00 59.99 -4.00 -19.92 119.29 >> ---=== PROBLEMS IN DETAIL ===--- >> >> ---=== Spectro Collimate Numbers ===--- >> IDL 5.5a> collimate, 51072 >> Reading /data/spectro/54541/sdR-b1-00051072.fit >> Reading /data/spectro/54541/sdR-b1-00051073.fit >> COLLIMATE: Min offset = -1.10 pix >> COLLIMATE: Max offset = 0.69 pix >> COLLIMATE: RMS across CCD = 0.43 pix >> COLLIMATE: Mean offset = -0.16 pix >> COLLIMATE: Camera b1 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) >> COLLIMATE: Predict blue camera ring movement of 5.7 degrees >> for spectro-1 >> COLLIMATE: (if red is already in focus) >> Log file = Collimate-54541-b1-00051072.log >> PostScript file = Collimate-54541-b1-00051072.ps >> Reading /data/spectro/54541/sdR-b2-00051072.fit >> Reading /data/spectro/54541/sdR-b2-00051073.fit >> COLLIMATE: Min offset = -0.73 pix >> COLLIMATE: Max offset = -0.04 pix >> COLLIMATE: RMS across CCD = 0.17 pix >> COLLIMATE: Mean offset = -0.29 pix >> COLLIMATE: Camera b2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) >> COLLIMATE: Predict blue camera ring movement of 10.4 degrees >> for spectro-2 >> COLLIMATE: (if red is already in focus) >> Log file = Collimate-54541-b2-00051072.log >> PostScript file = Collimate-54541-b2-00051072.ps >> Reading /data/spectro/54541/sdR-r1-00051072.fit >> Reading /data/spectro/54541/sdR-r1-00051073.fit >> COLLIMATE: Min offset = -0.32 pix >> COLLIMATE: Max offset = 0.59 pix >> COLLIMATE: RMS across CCD = 0.24 pix >> COLLIMATE: Mean offset = 0.01 pix >> COLLIMATE: Camera r1 appears to be IN-FOCUS (|mean| > COLLIMATE: Predict (red) piston movement of -76 steps for spectro-1 >> COLLIMATE: Issue SOP command: "sp1; mechPiston -76" >> Log file = Collimate-54541-r1-00051072.log >> PostScript file = Collimate-54541-r1-00051072.ps >> Reading /data/spectro/54541/sdR-r2-00051072.fit >> Reading /data/spectro/54541/sdR-r2-00051073.fit >> COLLIMATE: Min offset = -0.48 pix >> COLLIMATE: Max offset = 0.60 pix >> COLLIMATE: RMS across CCD = 0.25 pix >> COLLIMATE: Mean offset = 0.18 pix >> COLLIMATE: Camera r2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) >> COLLIMATE: Predict (red) piston movement of -1649 steps for >> spectro-2 >> COLLIMATE: Issue SOP command: "sp2; mechPiston -1649" >> Log file = Collimate-54541-r2-00051072.log >> PostScript file = Collimate-54541-r2-00051072.ps >> % Program caused arithmetic error: Floating illegal operand >> IDL 5.5a> >> im> iccSoundOff >> ICC ad1 is available (node sdssad1, crate 3, board 0) >> ICC ad2 is available (node sdssad2, crate 3, board 1) >> ICC ad3 is available (node sdssad3, crate 3, board 2) >> ICC ad4 is available (node sdssad4, crate 3, board 3) >> ICC id1 is available (node sdssid1, crate 1, board 0) >> ICC id2 is available (node sdssid2, crate 1, board 1) >> ICC id3 is available (node sdssid3, crate 1, board 2) >> ICC id4 is available (node sdssid4, crate 2, board 0) >> ICC id5 is available (node sdssid5, crate 2, board 1) >> ICC id6 is available (node sdssid6, crate 2, board 2) >> ICC md1 is available (node sdssmd1, crate 11, board 0) >> ICC sd1 is available (node sdsssd1, crate 4, board 0) >> im> date >> Sat Mar 15 20:06:43 UTC 2008 >> im> >> >> 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 3973 in the sdss-25mlog archive, URL >> DSS http://www.astro.princeton.edu:81/sdss-25mlog/msg. >> 3973.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 >