Date: Fri, 16 Apr 2010 23:04:54 -0000 (UTC)
Subject: Re: 2.5m obslog 20100415 (MJD 55302)
From: snedden@apo.nmsu.edu
OK. Thanks for the info.
> Yes, we noticed that SOS showed out of spec values as well. However, we
> made sure that the red cameras were in focus (according to collimate), and
> the blue cameras were *mostly* in focus before we proceeded with the cals
> and science exposures for each plate. Collimate showed b1 (for most
> plates) around 8 degrees out of focus, where b2 was about 10 degrees. We
> changed the blue camera focus rings at the beginning of the night, but not
> in between cartridges.
>
That's a good question. They should agree. I'd like Kyle to weigh in on
this one.
> Which should we trust, collimate or SOS?
>
Steph