Date: Sun, 27 Dec 2009 07:17:18 -0700
From: Dan Long
Subject: Re: 2.5m obslog 20091226 (MJD 55192)
>                        APACHE POINT OBSERVATORY SDSS 2.5M
>
>                                  OBSERVING LOG
>                            Saturday December 26, 2009
>
>                                   (MJD 55192)
>
>---=== OBSERVING TEAM ===---
>
>Dmitry Bizyaev
>Viktor Malanushenko
>Kaike Pan (afternoon)
>
>---=== OBSERVING PLAN ===---
>
>First 8.7 hours is for MARVELS,
>then 3 hours BOSS Science!
>
>---=== OBSERVING SUMMARY ===---
>
>Clear sky, still weather and temperatures between -8.8 and -7.2 C.
>
>We observed 7 MARVELS and 2 BOSS cartridges.
>
>We obtained results for 4 Marvels:
>plates 3633A, 3637s, 3702s, 3708A
>and one BOSS:
>plate 3693.
>
>We had next problems:
>
>-- Fiducials crossing error by Az and Alt occured for the cartridges
>7,1,4,11 and 16 - Air temperature colder than -8 C;
>no problems for cartridges 3,5,9 - air temperature warmer than -8C
    We are collecting fiducial data this morning, which will give
crossing data closer to recent nighttime temperatures than the set
currently in place.
>
>-- We did new ring position for the red camera of sp2.
>
>13:18Z Spectro dewars has only 81 lb.
>
>---=== OBSERVING LOG ===---
>
>Afternoon:
>----------
>
>All actors and systems were checked. One cartridge (cart 8, plate 3089) that
>we need tonight is not in the cartridge bay, and it is not on a
>dolly, so we cannot get it into the bay. Instead, So we swaped cartridge
>3 (plate 3637) into the bay, and swaped out cartridge 14.
    I'm afraid you have to send a plugging request to guarantee a
cartridge is plugged and accessible in the bay.  The last time
cartridge 8 was requested to be plugged was on 3-Dec (during the
previous MARVELS run).
				Cheers,
				  Dan