Owl Neb­ula (M97) in Ursa Major

The Owl Neb­ula (NGC 3587) in Ursa Major is the 97th object lis­ted in Messiers cata­log. It is one of the more com­plex plan­et­ary neb­u­lae. Its appear­ance has been inter­preted as that of a cyl­indric­al tor­us shell, viewed oblique, so that the pro­jec­ted mat­ter-poor ends of the cyl­in­der cor­res­pond to the owl’s yes. This shell is envel­oped by a faint­er neb­ula of lower ion­iz­a­tion. Its dis­tance is estim­ated about 2000 lightyears.

This image is a com­bin­a­tion of broad­band- (LRGB) and nar­row­band- (Ha, OIII) fil­ters to reveal the faint, out­er shell and the details with­in the neb­ula. North is to the right.

[descrip­tion from SEDS]

Details

Tele­scope:
RCOS 14.5″ f/​8
Mount:
ASA DDM85
Cam­era:
Apo­gee U16M
Fil­ters:
Astro­don Gen2
Expos­ure:
HaOIIILRGB 810:870:480:120:80:80 min.
Loc­a­tion:
ROSA Remote Obser­vat­or­ies South­ern Alps
Author:
© Mar­tin Ruster­holz, Astrophotographer

Find­er Chart Owl Neb­ula (M97) in Ursa Major

Owl Nebula 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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