Date: Tue, 19 Apr 2005 11:29:07 -0600 (MDT)
From: Stephanie Snedden
Subject: Re: 2.5m obslog 20050418 (MJD 53479)
Hi John,
Congrats on a successful ET night.
On Sunday night the ventilation system was causing a vibration problem in
the interferometer, so we shut off both cone fans and the blower. Did you
do the same last night? That might be a big contributor to the drifting
focus.
Steph