The Triangulum Galaxy is a spiral galaxy 2.73 million light-years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Milky Way and the Andromeda Galaxy (the largest). It is one of the most distant permanent objects that can be viewed with the naked eye. The galaxy is the smallest spiral galaxy in the Local Group and is believed to be a satellite of the Andromeda Galaxy or on its rebound into the latter due to their interactions, velocities, and proximity to one another in the night sky. It also has an H II nucleus.

Telescope: Astro Physics 305 Riccardi Honders Astrograph f3.8
Mount: Astro Physics 3600GTO “El Capitan”
Camera: FLI ML50100 / CFW10-7
Guider: Mini Borg 50 / SBIG STi

L: 32×10 mins = 320 mins, R: 26×10 mins = 260 mins, G: 22×10 mins = 220 mins, B: 24×10 mins = 240 mins

Total Imaging Time: 17h 20m

Data Imaged remotely over 7 nights during October & November 2018.
Data acquisition & Processing by David Churchill.

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