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Contains:  Bode's Galaxy, Bode's galaxy, Cigar Galaxy, Cigar galaxy, M 81, M 82, M81, M82, NGC 3031, NGC 3034
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M81 and M82, 



    
        

            Greg Polanski
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M81 and M82

Technical card


Dates:March 28, 2020

Frames:
Baader 2" Blue: 17x180" (gain: 174.00) -15C bin 1x1
Baader 2" Green: 19x180" (gain: 174.00) -15C bin 1x1
Baader 2" HA 7nm: 30x300" (gain: 174.00) -15C bin 1x1
Baader 2" Lum: 39x180" (gain: 174.00) -15C bin 1x1
Baader 2" Red: 12x180" (gain: 174.00) -15C bin 1x1

Integration: 6.8 hours

Darks: ~10

Bias: ~50

Avg. Moon age: 3.68 days

Avg. Moon phase: 14.57%

Bortle Dark-Sky Scale: 2.00

Temperature: -3.00


Astrometry.net job: 3630899

RA center: 9h 55' 49"

DEC center: +69° 19' 35"

Pixel scale: 1.151 arcsec/pixel

Orientation: -99.322 degrees

Field radius: 0.712 degrees


Resolution: 3702x2468

Locations: The Dark Sky Preserve in North Frontenac, Plevna, ON, Canada

Data source: Traveller

Comments

Author

Impact011
Greg Polanski
License: None (All rights reserved)
2031
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Revisions

  • M81 and M82, 



    
        

            Greg Polanski
    Original
  • M81 and M82, 



    
        

            Greg Polanski
    D
  • Final
    M81 and M82, 



    
        

            Greg Polanski
    E

D

Description: Bit sharper and color adjusted.

E

Description: Some noise removed

Sky plot

Sky plot

Histogram

M81 and M82, 



    
        

            Greg Polanski