Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
M81, 



    
        

            Torben
M81
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M81

M81, 



    
        

            Torben
M81
Powered byPixInsight

M81

Technical card

Imaging telescopes or lenses: Tamron 150-600 f/5-6.3

Imaging cameras: Canon EOS 70D

Mounts: iOptron Skytracker

Software: Astro Pixel Processor  ·  Photoshop CC 2020


Dates:May 28, 2020

Frames: 135x90" (3h 22' 30") ISO1600

Integration: 3h 22' 30"

Avg. Moon age: 5.67 days

Avg. Moon phase: 32.16%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 3572075

RA center: 09h57m15s.4

DEC center: +69°0538

Pixel scale: 1.440 arcsec/pixel

Orientation: 278.312 degrees

Field radius: 1.108 degrees


Resolution: 4609x3078

Data source: Backyard

Description

2 nights' worth of data, imaging from 12 till 2 - tempted to add some more tonight, though really want to go after some other targets before the weather turns...

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M81, 



    
        

            Torben

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