89 4-minute lights (collected over 3 nights) plus calibration frames were stacked using DeepSkyStacker; photometric calibration using SiriL; other post-processing with Photoshop CS2 plus Astronomy Tools plugin, ImagesPlus and Microsoft Photo.

The Triangulum Galaxy (Messier 33) is a spiral galaxy located in the small triangle-shaped constellation Triangulum. This galaxy, which is about half the size of our Milky Way Galaxy, is 2.73 million light years from Earth.