Imaged from Beckwith Township, Ontario, Canada.
The Triangulum Galaxy, also known as M33, is located roughly three million light years from Earth in the constellation Triangulum.
M33 is the second-nearest spiral galaxy to our Milky Way (M31; The Andromeda Galaxy being the closest).
Nikon D7200 (unmodified); Sky-Watcher ED80 Pro Refractor and a Tele Vue 0.8x Reducer/Flattener @ 480mm / f/6; Nikon 1.4x Teleconverter making for 672mm, f/8; ISO 800; IDAS LPS-P2 Filter; Celestron AVX mount; guided with SSAG; and PHD2; 20 x 6 minute subs (total integration is 120 minutes).
Shot in RAW; converted to 16 bit TIFFs; stacked using DSS; processed in Pixinsight and Photoshop CC.