Bubble Nebula (NGC7635)
The Bubble Nebula is an emission nebula located in the constellation Cassiopeia. It is about 7100 lightyears away and can be found near the star Caph on a line toward the star Alderamin.
This image was made with a Nikon Z7II and a Nikon 600mm f/6.3 lens at f/6.3. A total of 116 images shot at ISO6400 for a total exposure time of 58 minutes were used for this image. Star tracking was done with a Fornax LighTack II. Aligned images from Deep Sky Stacker were stacked and stretched using custom Python algorithms. Some minor final image processing was done with Topaz DeNoise AI and Capture One.