M106 (NGC 4258) in Canes Venatic
M106 (Messier 106 also known as NGC 4258) is a spiral galaxy in the constellation Canes Venatici, discovered by Pierre Méchain in 1781. M106 is at a distance of about 22 to 25 million light-years away from Earth. It is also a Seyfert II galaxy, which means that due to x‑rays and unusual emission lines detected, it is suspected that part of the galaxy is falling into a supermassive black hole in the center. The small galaxy to the right of M106 is NGC 4248 shining at 12.5 mag.
[description from wikipedia]
Details
Telescope:
RCOS 14.5″ f/8
Mount:
ASA DDM85
Camera:
Apogee U16M
Filters:
Astrodon Gen2
Exposure:
HaLRGB 540:720:180:180:140 min.
Location:
ROSA Remote Observatories Southern Alps
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.