Subject: 2.5m obslog 20100121 (MJD 55218)
Date: Fri, 22 Jan 2010 11:01:53 +0000 (UTC)
From: hjbrew@apo.nmsu.edu (Howard Brewington)
                       APACHE POINT OBSERVATORY SDSS 2.5M
                                 OBSERVING LOG
                           Thursday January 21, 2010
                                  (MJD 55218)
---=== OBSERVING TEAM ===---
Observers:
Viktor Malanushenko
Howard Brewington
---=== OBSERVING PLAN ===---
Snow!
---=== OBSERVING SUMMARY ===---
Another night lost to bad weather.
We completed Kyle's Cloudy Night tasks; see Log Section for info.
---=== OBSERVING LOG ===---
Afternoon:
-----------
22:00Z Started the afternoon checkout.
22:10Z Restarted the watcher servers.
22:20Z Filesystem            Size  Used Avail Use% Mounted on
       /dev/sda3             142G  128G  7.1G  95% /
       /dev/sda1              99M   30M   64M  33% /boot
       /dev/sdb1             917G  854G   17G  99% /data
       hub25mp:/home          92G   85G  7.3G  93% /home_hub25m
       sdssfiles1p:/data1/data
                             1.8T   89G  1.8T   5% /files
22:35Z Verified that the STUI actors were happy; also checked the status
       of the hub25m and perms. Issued 'gcamera simulate off' command.
22:57Z Spectro focus was checked and slightly adjusted. It's set for about
       01-degree C, and the collimate numbers are posted in the Problem
       Section.
Night:
------
00:32Z At sunset, we had clouds, high humidity, wind, and snow.
Kyle's Cloudy Night Task
=========================
We adjusted the red and blue cameras for 0-degree position with 107908.
run_collimate.csh 107908
Camera b1 appears to be IN-FOCUS (|mean|  0.15 pix)
COLLIMATE: Predict blue camera ring movement of   53.0 degrees for spectro-1
Camera b2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix)
COLLIMATE: Predict blue camera ring movement of   54.9 degrees for spectro-2
boss moveColl spec=sp1 a=-14644 b=-14644 c=-14644
boss moveColl spec=sp2 a=-16884 b=-16884 c=-16884
Moved to -25 on all rings (red and blue) from 0-degree collimated position.
run_collimate.csh 107912
Camera b1 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix)
COLLIMATE: Predict blue camera ring movement of   24.5 degrees for spectro-1
Camera b2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix)
COLLIMATE: Predict blue camera ring movement of   27.0 degrees for spectro-2
boss moveColl spec=sp1 a=-6853 b=-6853 c=-6853
boss moveColl spec=sp2 a=-10287 b=-10287 c=-10287
Moved back to original collimated position of 0-degrees with all cameras.
run_collimate.csh 107914
Camera b1 appears to be IN-FOCUS (|mean|  0.15 pix)
COLLIMATE: Predict blue camera ring movement of  -28.2 degrees for spectro-1
Camera b2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix)
COLLIMATE: Predict blue camera ring movement of  -26.2 degrees for spectro-2
boss moveColl spec=sp1 a=8444 b=8444 c=8444
boss moveColl spec=sp2 a=6689 b=6689 c=6689
Moved to +50 on all rings (red and blue) from 0-degree collimated position.
run_collimate.csh 107918
Camera b1 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix)
COLLIMATE: Predict blue camera ring movement of  -58.6 degrees for spectro-1
Camera b2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix)
COLLIMATE: Predict blue camera ring movement of  -53.5 degrees for spectro-2
boss moveColl spec=sp1 a=16154 b=16154 c=16154
boss moveColl spec=sp2 a=13424 b=13424 c=13424
Moved back to original collimated position of 0-degrees.
run_collimate.csh 107920
Camera b1 appears to be IN-FOCUS (|mean|  Collimate-55218-b1-00107902.log  0.15 pix)
COLLIMATE: Predict blue camera ring movement of   -9.5 degrees for spectro-1
COLLIMATE:   (if red is already in focus)
==> Collimate-55218-b2-00107902.log  Collimate-55218-r1-00107902.log  0.15 pix)
COLLIMATE: Predict (red) piston movement of  1264 steps for spectro-1
COLLIMATE: Issue command: "boss moveColl spec=sp1 a=1264 b=1264 c=1264"
COLLIMATE: current   motorPosition  8138 8922 8639
COLLIMATE: new  expected    motorPosition 9402 10186 9903
==> Collimate-55218-r2-00107902.log  0.15 pix)
COLLIMATE: Predict (red) piston movement of  7242 steps for spectro-2
COLLIMATE: Issue command: "boss moveColl spec=sp2 a=7242 b=7242 c=7242"
COLLIMATE: current   motorPosition  10753 10559 10593
COLLIMATE: new  expected    motorPosition 17995 17801 17835