M 33 - Triangulum Galaxy

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Location / Date

Zellerndorf, Nov-Dec 2016

Telescope / Mount / Guiding

ASA 10" Astrograph, ASA 3" Reducer Corrector (f2.8, focal length 715 mm)
ASA DDM60, no Guiding

Camera / Exposure

FLI ML8300 with Astrodon filters

2-panel mosaic:
L 167 x 5min, R 40 x 5min, G 41 x 5min, B 43 x 5min, Hα 28x10min

Total exposure time: 28h 55min


PixInsight, Fitswork, Photoshop


The Triangulum Galaxy (Messier 33, M 33) is a spiral galaxy approximately 3 million light-years from Earth in the constellation Triangulum.

The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 44 other smaller galaxies.

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