[Comm2011] Comissioning logs day 2

[John P. McFarland]

Hi All,

There were many problems last night including a hidden interlock and a 
stubborn dome shutter that cost at least 8 hours.  Once those were solved 
sometime in the middle of the night, the telescope/instrument software had 
huge problems, that according to the assistants could easily have been 
caused by the upgrade to VLT2010 during the day.  I think Andrea will have 
his hands full today sorting it out.  In the end, we did manage to get about 
a dozen exposures.  Only the first 4 are documented in the log, but the rest 
are in the message from Koen below.  I will integrate those entries into the 
logs this evening sometime.

Cheers,


-=John


---------- Forwarded message ----------
Date: Sun, 1 May 2011 11:11:23 +0200
From: Konrad Kuijken <kuijken at strw.leidenuniv.nl>
To: John P. McFarland <mcfarland at astro.rug.nl>
Subject: logs apr30/may 1

John,
here are the logs of the data we took in 'engineering mode' after out epic 
struggles with telescope, dome and instrument:

OBS121_0007 test - probe in the field

go to alt 64 field at 181524 -502256
take exposures at 4 rotator angles, for checking effect of shimming
0008 ABS PA 180 10 sec r
0009 ABS PA 90
0010 ABS PA 0
0011 ABS PA -90

test of aligment of rotator PA=0 with North. Same field

0012 skyPA=0 10 sec r
0013 offset 500" N

pair of defocussed images (+/- 0.2mm M2, similar to aux ccds). Same coordinates 
as before (not offset)
nominal focus was about 0.985. Seeing not great so not super accurate. Done 
with VST IA on probe.
0014 abs PA 180 M2 focus 1.185  (ie nominal +0.2)
0015                       M2 focus 0.785  (ie nominal -0.2)

same at abs PA=0
0016 abs PA 0 M2 focus 1.185
0017                                    0.785
0018                                    0.985 (nominal)