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





    
        

            Peter Lipscomb
M81 and M82

M81 and M82

Technical card

Resolution: 2899x2293

Dates:May 3, 2019

Frames:Astrodon LRGB 1.25" Gen 2: 37x300" -20C bin 1x1

Integration: 3.1 hours

Avg. Moon age: 28.11 days

Avg. Moon phase: 2.26%

Astrometry.net job: 2701144

RA center: 148.920 degrees

DEC center: 69.349 degrees

Pixel scale: 1.412 arcsec/pixel

Orientation: 271.384 degrees

Field radius: 0.725 degrees

Locations: Night Sky Trails, Santa Fe, NM, United States

Data source: Backyard

Description

Just over three hours exposure time from my driveway in Santa Fe, NM 10 L frames and 9 each RGB. Unguided. FC 76 at f/7.9

Comments

Author

pslipscomb
Peter Lipscomb
License: None (All rights reserved)
921
Like

Revisions

  • M81 and M82, 





    
        

            Peter Lipscomb
    Original
  • M81 and M82, 





    
        

            Peter Lipscomb
    B
  • Final
    M81 and M82, 





    
        

            Peter Lipscomb
    C

B

Full calibration, noise reduction and saturation boost

C

reworked the cores of each galaxy - shadows and contrast and selective sharpening

Sky plot

Sky plot

Histogram

M81 and M82, 





    
        

            Peter Lipscomb