M31 Southwest Part (NGC 206) in Andromeda
The Great Andromeda Galaxy (M31) is the nearest spiral galaxy and therefore one of the most famous object in the night sky. Using a long focal length telescope offers a unique view on the galaxy by resolving individual stars, emission regions and star clusters. Some of the more prominent compact star clusters can be seen and can be found in an annotated version.
North is down in this image.
Very interesting information can be found in the paper
COMPACT STAR CLUSTERS IN THE M31 DISK
written by Vansevicius, Kodaira, Narbutis et al.
Details
Telescope:
RCOS 20″ f/8.5
Mount:
Paramount ME
Camera:
Apogee U16M
Filters:
Astrodon Gen2
Exposure:
LRGB 520:200:140:200 min.
Location:
Sierra Remote, California
Author:
© Martin Rusterholz, Astrophotographer
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Hello, my name is Martin Rusterholz. I’m a Swiss amateur astrophotographer living near Zurich, the biggest town in Switzerland. My interest in astronomy started when I was 16. At that time, I built my first Newtonian telescope and mount. I studied physics at the Swiss Federal Institute of Technology (ETH) which was the only study including at least some aspects of astronomy and astrophysics.
“Looking at the nights sky is an experience touching everybody deeply inside, something common to all human beings independent to the language spoken by the individuals”.
Deep-sky astrophotography is my passion. 