Spiral Galaxy ngc2903
luminance:10 x 300 sec, RGB 10x 300 each binned1x1 autoguided on 2/03-05/08.
Equipment: Televue NP-101 and SXV-H9 camera mounted on a G-11.
Processing: Combined in Maxim D/L and CCDStack, processed in Photoshop CS2 with lots of hide-all layer masks and with Noel Carboni's Astronomy Tools.Noise reduction with NoiseNinja.
This is a crop of a larger image that has been upsampled. I had a heck of a time with the color gradients in the background, and there's still a bit of red/blue gradient in the background