DeepSkyStacker is a useful astrophotography tool to calibrate, register, and stack your images. This tutorial walks you through the basic settings I use.

Image stacking is the starting point in editing any deep space images. Read this Deep Sky Stacker tutorial for awesome astrophotography shots!

A. Afocal Projection In general, you mount your camera with its lens on the eye-piece of the telescope via an adapter. Afocal projection is used when the camera lens cannot be removed.