I recently bought an Atik 314L+ mono camera (second hand) and am learning
I read in SkyAtNight Magazine that, R,G,B frames should have 3 times the exposure of the L frame (assuming the light pollution does not lead to overexposure !).
For example, I take a 60 second L exposure.
Then R frame (or B or G) needs a 180 second exposure.
If you bin 2x2 the R frame, then it is 180/4=45 seconds.
Summary: L (bin 1x1)= 60 seconds
R (bin 2x2)=45 seconds
You will then need to resize the R image (double the size) in order to combine the L+R,G,B frames.
Is this correct ?
Is another ratio correct, why is it 1:3:3:3 for LRGB (as explained by Sky At Night magazine) ?
Many thanks.
Magnus