Canon 7D - 10mm, 30s @ f4, ISO 400
The image is composed of 3 sets of light frames. Luminance data was collected with 500s exposures and RGB data was collected in 250s (2x2 binned) exposures. This is quite a small stack, so there isn't much detail and a lot of residual noise. I intend to add more light frames to this image when conditions permit.
M51 (NGC 5194 & NGC 5195) - Whirlpool Galaxy
3xLRGB stack, Atik 314L+, Celestron 925 @ f6.3