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Pedestal Value removes from master bias

Posted by Ray on Oct 16, 2017; 9:08pm
URL: http://astroimagej.170.s1.nabble.com/Pedestal-Value-removes-from-master-bias-tp860.html

Hi,

Just wondering, why when creating a master Bias or master dark is there a pedestal value of 100 counts removed from each pixel?

thanks!