M33. This object was particularly difficult to process due to tone of horizontal banding, tracking issues and not enough data. Still, I wanted to face the challenge of processing it and see how far I could go with processing. It is blotchy but I'm going to leave it here after multiple tries.
Here is the technical data:
Duration: 8 subs x 5 min. = 40 min.
Mount = Atlas
Guiding = ST80 + PHD
FL = 300mm Nikkor x Canon 40DH 1.6 chip = 480mm
Location = Ager, Lleida, Spain
Date = 9/24/09
Canon Chip Temperature = 72F (21 celcius)
Processing Software: Acquired in Canon Utilities, Stacked in Deep Sky Stacker (Darks, Bias, Median for all frames), PixInsight LE, Photoshop CS4 64bits (Levels, Curves, Astronomy Tools, Gradient XTerminator)
Support Files: 30 darks, 30 bias