Bias and Dark Frames - Continued
This page shows the 1 second dark from the previous page with a 1 second dark which has had the master bias frame subtracted...
0.01 second dark, ST-6, -20 C
1 second dark, ST-6, -20 C, master bias frame subtracted
Notice how the bias subtracted dark resembles the 40 second dark from the last page.
40 second dark, ST-6, -20 C
Next we look at flat fields.