M100 in Coma Berenices

M100 Galaxy Astrophotography Martin Rusterholz

M100 /​ Messi­er 100 (also known as NGC 4321) is a grand design inter­me­di­ate spir­al galaxy loc­ated with­in the south­ern part of con­stel­la­tion Coma Berenic­es. It is one of the bright­est and largest galax­ies in the Virgo Cluster, loc­ated approx­im­ately 55 mil­lion light-years dis­tant from Earth and has a dia­met­er of 107,000 light years, roughly 60% the size of the Milky Way. It was dis­covered by Pierre Méchain on March 15, 1781 and was sub­sequently entered in Messi­er­’s cata­logue of neb­u­lae and star clusters after Charles Messi­er made obser­va­tions of his own on April 13, 1781. The galaxy was one of the first spir­al galax­ies to be dis­covered, and was lis­ted as one of four­teen spir­al neb­u­lae by Lord Wil­li­am Par­sons of Rosse in 1850. NGC 4322 (right) and NGC 4328 (top) are satel­lite galax­ies of M100; the former is con­nec­ted with it by a bridge of lumin­ous mat­ter.
North is to the right in this image.

[descrip­tion from Wikipedia]

Details

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RCOS 14.5″ f/​8
ASA DDM85
Andor CG16M
Astro­don Gen2
LRGB 520:200:200:200 min.
ROSA Remote Obser­vat­or­ies South­ern Alps
© Mar­tin Ruster­holz, Astrophotographer

Find­er Chart M100

M100 Skychart Astrophotography Martin Rusterholz

Image cre­ated by Skychart

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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