Starlight Xpress SXVR-H18 - Manual (Page 11)

Handbook for the SXVR-H18 Issue 1 March 2010
11
ignore flat fielding for current purposes and describe the process in detail at a later
stage.
Processing the deep-sky image:
Below you will see typical examples of a dark frame and an uncalibrated raw image
of M16.
A typical 5 minute dark frame exposure. Note the random scatter of ‘warm pixels’
A 5 minute exposure – many warm pixels are visible (see the magnified view below)