Date: Mon, 13 Sep 2004 13:05:04 -0600 (MDT) From: Stephanie Snedden Subject: Re: 2.5m obslog 20040910 (MJD 53259) Hi Russell, I'm afraid I don't know exactly when the numbers reset to zero. It was either at the end of newrelax or after, as I was monitoring something else at the time, and didn't see what the galils were doing. That's why I homed and relaxed a second time...so I could watch the galils throughout. Of course that time everything behaved. Steph On Mon, 13 Sep 2004, Russell E Owen wrote: > At 12:28 PM +0000 2004-09-11, Howard Brewington wrote: > >An uneventful set-up. No spectro focus check, since engineering camera was > >mounted. > >Homed & relaxed the mirrors prior to opening. The primary axials A, B, C set > >themselves to zero after relaxing. They were re-homed and the NEWRELAX script > >run again, and this time, everything was fine. > > Could you say anything more about this? NewRelax should move the > axial actuators back to where they started. Did it not do this? Also, > it's last step is to home the mirrors, so I'm puzzled why that was > done again. I assume you somehow got the mirror to its desired > position (e.g. by tracking with collimation enabled) before running > NewRelax the second time? > > Any info would be appreciated (or a time tag for looking through logs). > > -- Russell > > DSS DSS DSS DSS DSS Digital Sky Survey DSS DSS DSS DSS DSS DSS > DSS *** The information posted to SDSS mailing lists is proprietary *** > DSS This is message 2093 in the sdss-25mlog archive, URL > DSS http://www.astro.princeton.edu:81/sdss-25mlog/msg.2093.html > DSS The index is at http://www.astro.princeton.edu:81/sdss-25mlog/INDEX.html > DSS To join/leave the list, go to > DSS http://www.astro.princeton.edu:81/cgi-bin/mailinglists.pl/show_subscription?list=sdss-25mlog > DSS To post a message, mail it to sdss-25mlog@astro.princeton.edu > DSS > DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS DSS >