Date: Wed, 3 Sep 2003 11:39:34 -0400 (EDT)
From: David Schlegel
Subject: RE: 2.5m obslog 20030902 (MJD 52885)
Pete,
Note that I've updated PR #2976 which is
about "SOP lost track of PLATEID".  This
has now happened 4 times that I know of.
Cheers,
David
On Wed, 3 Sep 2003, Pete Newman wrote:
> In:
>
> > DSS         http://www.astro.princeton.edu:81/sdss-25mlog/msg.1616.html
>
> Jurek reported:
>
> > ---=== OBSERVING SUMMARY ===---
> >   Again PLATEID in fits file headers for the first exposure tonight, was
> >   set to 0 insted of 1415 (we reported the same problem on the
> > previous night).
>  ...
>
> And I reported from the perflight checks:
>
> > The spectrographs' focus was checked and found to be good (Tamb=14.6C).
>
> I wonder if these two things are related?  The pattern of what I did with the
> spectro preflight (both nights) was:
>
> 	initNight -poolInit
> 	grabInstruments
> 	cc tcheck & mechSend s on each camera/spectro
> 	goStare -bias -init -plateId -9999
> 	loadCart
> 	goSpecFocus
> 	goSpecFocus
> 	grabInstr -drop
>
> and from then on it's over the the night crew.  Except I think I have made a
> slip and tried a goSpecFocus before the loadCart, and it reports that no
> cartridge is loaded, so I tried again.  Is that a clue as to why the
> subsequent plateId is zero?
>
> Cheers,
>
> --Pete
>
>
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