Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031
M81, 



    
        

            我可是汞
M81
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M81

M81, 



    
        

            我可是汞
M81
Powered byPixInsight

M81

Technical card

Imaging telescopes or lenses: SKYROVER 130 APO PRO

Imaging cameras: QHY695a

Mounts: iOptron cem60

Software: Pleaides Astrophoto PixInsight 1.8 Ripley


Dates:Jan. 4, 2020

Frames: 70x600" (11h 40')

Integration: 11h 40'

Avg. Moon age: 8.55 days

Avg. Moon phase: 62.28%


Basic astrometry details

Astrometry.net job: 3198030

RA center: 9h 55' 33"

DEC center: +69° 4' 8"

Pixel scale: 1.032 arcsec/pixel

Orientation: 272.400 degrees

Field radius: 0.488 degrees


Resolution: 2682x2103

Locations: Beijing Birch Wood Remote Observatory, Beijing, Beijing, China

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Rx13 Gx14 Bx11 Lx32 10min per frame

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M81, 



    
        

            我可是汞