From: stephanie snedden
Subject: Re: 2.5m obslog 20071202 (MJD 54437)
Date: Mon, 3 Dec 2007 11:50:00 -0700
We had rain in the enclosure the other day. Did moisture get where it
shouldn't be, to cause the actuator problems?
Steph
On Dec 3, 2007, at 5:54 AM, Kaike Pan wrote:
>
>
>
> In total about 7 hours was lost to telescope problem.
>
> We finished plates: 1873 and 2844 (the marvels plate was not declared
> done in the data base because the sos did not return good
> information, mervels
> team, please give us feedback on if we can declared it done),
> and got signal on segue faint plate 2828.
>
> Problems:
> 1) Very small scale changes (0.002) or focus adjustment bigger than
> 150
>    resulted losing guiding stars (see log for detail information).
> However,
>    it seemed that bigger scale changes, 0.005 could be applied
> after a few
>    very small ones (0.001) (exercies warmed up actuator motors?).
>
> 2) TPM message: M2 Force Limit Fault !, no related watcher message
> was reported.
>
>