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Contains:  M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
Getting plate-solving status, please wait...
M81 / M82, 


            Thilo Frey
M81 / M82

M81 / M82

Technical card

Resolution: 3144x2378

Dates:April 9, 2016

Astronomik B 2'': 6x240" -20C bin 2x2
Astronomik G 2'': 6x240" -20C bin 2x2
Astronomik L 2'': 8x360" -20C bin 1x1
Astronomik R 2'': 6x240" -20C bin 2x2

Integration: 2.0 hours

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 2.37 days

Avg. Moon phase: 6.23% job: 1184598

RA center: 9h 55' 30"

DEC center: +69° 23' 27"

Pixel scale: 1.593 arcsec/pixel

Orientation: -109.316 degrees

Field radius: 0.872

Locations: Mobile, near Aesch, eastern Jura, Switzerland


First try with OAG, not possible to find a suitable star. Guiding cam too weak, so looks i need a new one for OAG guiding ;) . So shot unguided. 1st try with polemaster. Very easy and accurate. used 15 min for the first try, much better aligned i ever managed it manualy.



Thilo Frey
License: None (All rights reserved)


  • M81 / M82, 


            Thilo Frey
  • Final
    M81 / M82, 


            Thilo Frey

Sky plot

Sky plot


M81 / M82, 


            Thilo Frey