Date: Sun, 23 Mar 2003 22:55:53 -0600
From: Jim Annis
Subject: Re: 2.5m obslog 20030322 (MJD 52721)
On Sun, 2003-03-23 at 19:36, s. a. snedden wrote:
> Jim Annis wrote:
> >
> > Just to give you an idea of what we are watching,
> > I see that exotic exposure time for exposure 19951, which
> > probably isn't right. I check the sdHdrFix file to see what
> > is going on, and find that it has this marked as "bad".
> My understanding is that we only need mark it bad in the database.
Which database? The plate database?
> Please note that I said "we finished it in one exposure of 1200 s".
I saw that; Reading your notes is part and parcel of understanding
"exotic exposure times"... of understanding what was going on that
night.
> If I am incorrect, and I should deal with bad exposures
> in three different places, then I will do so grumblingly.
The production system needs the sdHdrFix files. If I understand
this right, two places are required (the plate database and the
sdHdrFix creation). The third, the observing report log, is
best effort.
saves work for me (and makes the obs-log more self contained),
but makes more work for you; your call. Anyway its been months
since I've had to make a sdHdrFix for new data, so I'm reasonably
happy...
jim
> Steph
>
> > Good, this exposure is dealt with correctly in processing.
> >
> > In the best of all possible worlds, this would have been noted
> > bad in the log as well, and I wouldn't have needed to double
> > check the sdHdrFix files.
> >
> > Cheers,
> > jim
> >
> > On Sun, 2003-03-23 at 07:43, Stephanie Snedden wrote:
> > > 07:52Z Completed switch to spectroscopy.
> > > Cartridge 8, plate 1020. Stars on slew. Since this plate already had signal,
> > > we finished it in one exposure of 1200 s. Declared done.
> > >
> > > ---=== SPECTROSCOPY DATA SUMMARY ===---
> > >
> > > Summary Checked (y/n):y
> > > QA Procedures Done (y/n):y
> > >
> > >   UT    Exp   Time  flavor     comment       (S/N)^2 totals
> > > ========================================== b1   r1   b2   r2
> >
> > >  ----- sequence 19948, plate 1020 -------
> > >  08:09 19948 10.0   flat
> > >  08:12 19949 2.0    arc
> > >  08:38 19950 1200.1 target
> > >  08:45 19951 262.6  target
> > >
--
Jim Annis
Fermilab