Galaxies - Ursa Major

Introduction | Galaxies (Messier) | Galaxies (NGC) | Large-FOV Photos | Links

On this page I show photos of galaxies from the "larger region" Ursa Major, which I took with different cameras. Partially, I have had the photos evaluated and labeled nova.astrometry.net, so that one can find the larger galaxies more easily.

See also:

 

Introduction

From April to June is "galaxy time", and so I photograph and observe more galaxies during this time. With the eVscope, this means that because of the small field of view (about the size of the moon), I generally get only one galaxy on a photo; only in exceptional cases it can be more. Since acquiring the ZWO ASI294, however, I can take larger fields of view; on the PS 72/432 refractor, for example, I get a field of view of a good 2.5° x 1.7° - the largest I can achieve with my equipment. As a result, depending on the area of sky in which it was taken, a photograph may contain a large number of galaxies, most of which are very small. However, because of the large field of view, even the larger galaxies in the photos are quite small.

On this page I show galaxies, partly alone, partly together with a few others, and partly on overview photos, on which one can recognize the galaxies only with difficulty. Such photos I let evaluate and label by nova.astrometry.net, so that one finds the larger galaxies more easily.

This page is dedicated to the "larger region " Ursa Major (only larger galaxies are shown in the following map):

Map: Larger galaxies in the constellation Ursa Major

Larger galaxies: M 81, M 82, M 101, M 108, M 109

 

Galaxies (Messier)

Messier Galaxies: M 81, M 82, M 101, M 108, M 109

The following photos were taken with the eVscope:

         

M 81

 

M 82

 

M 101

     

M 108

 

M 109

   

 

Galaxies (NGC)

NGC Galaxies: NGC 2805, NGC 3184/80, NGC 3877, NGC 4085/88, NGC 4284/90

The following photos were taken with the eVscope:

   

NGC 2805 (Holm 124)

  NGC 3184/80  

NGC 3877

           
NGC 4085/88  

NGC 4284/4290

 

 

 

Large-FOV Photos

The following rich-field photos were taken with the ZWO ASI294 camera at the PS 72/432 refractor (field of view 2.5° x 1.7°; controlled by StellarMate; AZ-GTi mount). Details of the galaxies are hardly visible on the photos, but many other smaller galaxies are.

Note: It is quite instructive to display the large versions of a photo (photo and analysis with nova.astrometry.net) side by side in tabs in the Web browser. Then you can switch between the tabs and thus "turn on and off" the captions.

Galaxies: M 81, M 82, M 108, NGC 3077, NGC 3499, NGC 3517, NGC 3594

M 81, M 82, NGC 3077

    

M 81/M 82 - Apr 28, 2022, processed

 

M 81/82 - Apr 28, 2022, processed, section

The Bode Galaxies M 81 (Bode Galaxy; at the center) and M 82 (Cigar Galaxy; top right) are accompanied by the galaxy NGC 3077 (top left)

M 108

    

M 108/97 - Apr 28, 2022, processed

 

M 108/97 - Apr 28, 2022, processed, evaluation with nova.astrometry.net

   

M 108/97 - Apr 28, 2022, processed

   

The galaxy M 108 is about at the center of both photos, the Owl Nebula M 97 (planetary nebula) at the bottom left. The bright spot at the top right of the upper photo is a star.

Larger galaxies: M 108, NGC 3499, NGC 3517, NGC 3594

 

Links

 

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22.05.2022