Subject: 2.5m obslog 20071119 (MJD 54424)
Date: Tue, 20 Nov 2007 05:52:38 -0700 (MST)
From: viktorm@apo.nmsu.edu (Viktor M)
                       APACHE POINT OBSERVATORY SDSS 2.5M
                                 OBSERVING LOG
                            Monday November 19, 2007
                                  (MJD 54424)
---=== OBSERVING TEAM ===---
Dan Oravetz (swing)
Howard Brewington (observer)
Viktor Malanushenko (observer)
---=== OBSERVING PLAN ===---
SU, SN & SEGUE Science!
---=== OBSERVING SUMMARY ===---
Run#7181 - bias on telescope
Run#7182 SN 82,S lam.= 113 -  162 (including the ramps)
Run#7183 SN 82,S lam.=-178 - -123 (including the ramps)
Run#7184 Shake Up. Imager donuts,
foc=0,+150,0,-150,0,+300,0,-300 (see in to logs). All frames was zipped
on phoenix:/home/observer/data/photo/optics/54424_donutDan
Plate 2806, cart 9: segue166
Five exposures, total exp. time 7080 sec. accumulated S/N= 22.5 . Not done yet.
---=== OBSERVING LOG ===---
Afternoon:
----------
As of 22:12Z there are 247G available on /data and 173G available on /files.
Spectro focus set for ~5C.
23:05Z - Began ventilation.  Doors and louvers opened, fans on.
All systems checked and working properly.
Night:
------
23:35Z Imager mounted
00:07Z biases on telescope
Supernova scan:
00:57Z scanStripe lambda 109;  SN 82,S,
01:00Z start Run 7182
       skippy is happy fr.19
       in focus fr.25
       seeing 1.3"
       muErr approx.10", nuErr  -10602  -10767  -10983;  T=11.8C
sp2>   -243    -864    -932;  T= 9.9C
        Average T=10.8C
        Expected temperature towards the end of the night is ~5C
        Spectro collimation set for 5C
                Difference of 5.8C degrees (colder) = -5800 steps
IDL> collimate, 47438
        Camera    Steps/Degrees    Focus    Mean Offset   MechPiston Result
          b1         -21.5 deg      OUT        0.60             .....
          b2         -22.1 deg      OUT        0.62             .....
          r1          7812          OUT       -0.85              2012
          r2          6646          OUT       -0.73               846
'mechSend s' After:
sp1> -8590  -8754  -8974
sp2>   602    -14    -77
sp1> caget tpm_TM_PMSSAvg tpm_TM_TelairAvg.VALA
tpm_TM_PMSSAvg        =  9.87429C
tpm_TM_TelairAvg.VALA = 10.49500C
-----------------------------------------------------------------------------
-------------------
Filename             02%     05%     10%     50%     90%     95%     98%
-------------------  ------  ------  ------  ------  ------  ------  ------
sdR-b1-00047441.fit    -6.0    -3.8    -2.7     1.8     7.2     8.3    10.5
sdR-b2-00047441.fit    -7.7    -6.5    -4.7     1.6     7.0     8.3    10.7
sdR-r1-00047441.fit    -7.3    -5.3    -3.4     0.9     6.7     8.6     9.7
sdR-r2-00047441.fit    -7.6    -6.3    -4.4     0.8     6.3     8.2    10.3