From: kaike pan
Subject: Re: 2.5m obslog 20070425 (MJD 54216)
Date: Thu, 26 Apr 2007 08:52:15 -0600
>
> 05:10Z Cart 7, plate 8022.
> We loaded cart/plate and gotoFiels. After that the guider
> did not work with error message:
> GMAKEHINST: "Flat exposure is too faint. Counts in fibers must be >
> 500".
> We had whis kind of error in the past but I could not find solution.
> Tried to stopMon and startMon again, and repeated goto filed. It
> did not work.
> Finally, I closed the sop session and started a new one, and it
> fixed the
> problem. We lost about 15 min to work with the problem.
> FSonGTF, seeing is around 1.0-1.2", T=8.8C, photometric.
> 05:36Z one 50 min exposure and one 50 min template exposure.
>
Hi Elena,
   Did you check if the guider was running. Sometimes, if the guider
was not stopped before the
instChange, the next gotoFields will do the same. But there may be
other causes for the same
problem.
  -kaike