Subject: Re: 2.5m obslog 20061104 (MJD 54044)
Date: Sun,  5 Nov 2006 22:07:30 -0700 (MST)
From: harvanek@apo.nmsu.edu (Mike Harvanek)
Hi Steph,
> Was it still clear during the piggyback exposures, or did
> you have some cloud?
It was photometric until around 10:30Z so it was definitely
clear.
> are you convinced the piggyback stars were chosen to be
> too bright, or could the problem have been clouds plus Moon
> ruining the sky background?
Not sure about the stars being too bright.  There were no
clouds but the moon was full and it was definitely a problem.
I don't have a number for you but we were definitely pointed
quite near the moon.  I thought that was the whole purpose
of the test though - to see how well we could do in maximum
moonlight.  Maybe I missed something?
Mike