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Contains:  Bode's nebulae, M 81, M 82, NGC 3031, NGC 3034
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M81 & M82, 


            Knut Hagen
M81 & M82
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M81 & M82

Technical card

Imaging telescopes or lenses:William optics GT 102mm triplet apo f/6.9

Imaging cameras:Canon 70Da

Mounts:SkyWatcher AZ/EQ6-GT

Guiding telescopes or lenses:80/400

Guiding cameras:Lacerta M-Gen II

Focal reducers:William Optics Flat 6A (0.80)

Software:Photoshop cc 2015DeepskystackerAstronomy Toolslacerta dithering

Dates:Oct. 3, 2016

4x300" ISO800
40x600" ISO800

Integration: 7.0 hours

Darks: ~8

Bias: ~40

Avg. Moon age: 2.26 days

Avg. Moon phase: 5.67%

Temperature: 2.00

Basic astrometry details job: 1268467

RA center: 9h 55' 18"

DEC center: +69° 18' 25"

Pixel scale: 1.471 arcsec/pixel

Orientation: -100.488 degrees

Field radius: 0.983 degrees

Resolution: 4085x2542

Locations: Skrim, Hvittingfoss/Kongsberg, Norway



Knut Hagen
License: None (All rights reserved)

Sky plot

Sky plot


M81 & M82, 


            Knut Hagen

In these public groups

"Nordish by nature"
The refractors!