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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263
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Whirlpool Galaxy / M51, 





    
        

            Jeffrey Horne
Whirlpool Galaxy / M51

Whirlpool Galaxy / M51

Technical card

Resolution: 2048x2048

Dates:April 26, 2019

Frames:Optolong L-Pro 2": 100x180" ISO1600

Integration: 5.0 hours

Darks: ~102

Flats: ~128

Bias: ~256

Avg. Moon age: 21.75 days

Avg. Moon phase: 54.18%

Bortle Dark-Sky Scale: 8.00

Astrometry.net job: 2675069

RA center: 202.470 degrees

DEC center: 47.212 degrees

Pixel scale: 1.072 arcsec/pixel

Orientation: 91.998 degrees

Field radius: 0.431 degrees

Locations: Backyard - Bortle 8, Nashville, TN, United States

Data source: Backyard

Description

Any that have tried an image like this with a Celestron 8SE will know the challenge!

Comments

Author

Jeffreyhorne
Jeffrey Horne
License: Attribution Creative Commons
1722
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Revisions

  • Whirlpool Galaxy / M51, 





    
        

            Jeffrey Horne
    Original
  • Final
    Whirlpool Galaxy / M51, 





    
        

            Jeffrey Horne
    B

B

Crop

Sky plot

Sky plot

Histogram

Whirlpool Galaxy / M51, 





    
        

            Jeffrey Horne