Stirling Astronomical Society Gallery

Triangulum Galaxy

16 Nov 2025

Triangulum Galaxy

Spiral galaxy M33 in Triangulum

© Alan Cayless all rights reserved.

Not far from the larger Andromeda galaxy, M33 is a member of the Local Group. Seen almost face-on, this beautiful spiral galaxy contains a number of bright HII regions, seen in red, which generally indicate areas of star formation. Imaged using a tri-band filter

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