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Contains:  M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
Getting plate-solving status, please wait...
M81 (Bode's Galaxy) and M82 (Cigar Galaxy), 





    
        

            photonjunkie
M81 (Bode's Galaxy) and M82 (Cigar Galaxy)

M81 (Bode's Galaxy) and M82 (Cigar Galaxy)

Technical card

Resolution: 3221x1824

Dates:June 29, 2019June 30, 2019

Frames:
ZWO 1.25" LRGB: 131x120" (gain: 139.00) -20C bin 1x1
ZWO H-alpha 7nm: 16x300" (gain: 300.00) -20C bin 1x1

Integration: 5.7 hours

Avg. Moon age: 26.53 days

Avg. Moon phase: 10.07%

Astrometry.net job: 2783103

RA center: 148.954 degrees

DEC center: 69.328 degrees

Pixel scale: 1.060 arcsec/pixel

Orientation: 278.962 degrees

Field radius: 0.545 degrees

Locations: Passhöhe Sattelegg, Einsiedeln, Schwyz, Switzerland

Data source: Traveller

Comments

Author

photonjunkie
photonjunkie
License: Attribution Creative Commons
1380
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Revisions

  • M81 (Bode's Galaxy) and M82 (Cigar Galaxy), 





    
        

            photonjunkie
    Original
  • M81 (Bode's Galaxy) and M82 (Cigar Galaxy), 





    
        

            photonjunkie
    B
  • Final
    M81 (Bode's Galaxy) and M82 (Cigar Galaxy), 





    
        

            photonjunkie
    C

B

Trying to compensate, what I believe is an issue with ZWO RGB filters, the blue lack using some blue enhancement curves only on the galaxies.

C

desaturated and darkened background

Sky plot

Sky plot

Histogram

M81 (Bode's Galaxy) and M82 (Cigar Galaxy), 





    
        

            photonjunkie