The NMSU 1m/LANL CCD Camera Page


Here is an image with the chip still warm (14C), mean counts = 16201 in a 1 sec exposure (dark column is overscan region) [FITS]:

warm

Here is an image once the detector cooled to -54C, mean counts = 783 in a 1 sec exposure [FITS]:

cold

Rate of Cooling after LN2 fill:

temp

Close-up of CCD chip and mounting system:


pix3 Dewar on the "flow bench". pix2  Showing the loose cold strap (brown).