Great Pegas­us Cluster (M15)

M15 Cluster in Pegasus Astrophotography Martin Rusterholz

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Glob­u­lar cluster Messi­er 15 (M15, NGC 7078) is among the more con­spi­cious of these great stel­lar swarms. At a dis­tance of about 33’600 light years, its dia­met­er of 18′ cor­res­ponds of a lin­ear exten­sion of about 175 light years and a total visu­al bright­ness of 6.2 mag. M15 is per­haps the densest of all glob­u­lar star clusters in our Milky Way. Many sci­ent­ists believe that a black-hole resides in the cen­ter of the cluster.

[descrip­tion from wikipedia]

Details

Tele­scope:
RCOS 14.5″ f/​8
Mount:
ASA DDM85
Cam­era:
Apo­gee U16M
Fil­ters:
Astro­don Gen2
Expos­ure:
LRBG 220:50:40:40 min.
Loc­a­tion:
ROSA Remote Obser­vat­or­ies South­ern Alps
Author:
© Mar­tin Ruster­holz, Astrophotographer

Find­er Chart Great Pegas­us Cluster (M15)

M15 in Pegasus Sky Chart Astrophotography Martin Rusterholz

Image cre­ated by Skychart

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About Me

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.

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