Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
M81, 



    
        

            ckent928
M81
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M81

Equipment

Filters
CLS CCD

Acquisition details

Dates:
April 29, 2015
Frames:
CLS CCD: 1×400(6′ 40″) ISO400
Integration:
6′ 40″
Avg. Moon age:
10.51 days
Avg. Moon phase:
80.87%

Basic astrometry details

Astrometry.net job: 627579

RA center: 09h56m44s.6

DEC center: +68°4930

Pixel scale: 1.525 arcsec/pixel

Orientation: -132.298 degrees

Field radius: 1.319 degrees

Resolution: 620x413

File size: 130.8 KB

Description

M81, first light with Ioptron Z25 mount, William Optics GT102 . Canon t2i Mod. Orion Starshoot Autoquider, CLS clip-filter by Astronomik. Quided from apartment balcony. 4

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M81, 



    
        

            ckent928