[Comm2011] Quality control plots 2011-05-08

helmich helmich at astro.rug.nl
Mon May 9 00:12:33 CEST 2011



Hi,

Here are some plots of last nights / this morning's data.

Today it seems CCD 89 (top left corner) has higher than usual (2.9
vs. 2.0 ADU) readnoise. Looking at the images it seems perhaps a
synchronization issue (dark horizontal bands). Dark current /
particle event rate is fine.

Regards,

Ewout 
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