M13 from 2007, original processing. M13 – Quick process. 25 images of 30 seconds stacked with DeepSkyStacker, old bias and flat files compromised the center making the image darker than it should be.
m13-2007-07-21
M13 from 2007, original processing. M13 – Quick process. 25 images of 30 seconds stacked with DeepSkyStacker, old bias and flat files compromised the center making the image darker than it should be.