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Contains:  IC 4263, M 51, NGC 5194, NGC 5195, Whirlpool galaxy
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Whirlpool Galaxy (Messier 51), 



    
        

            Miles Zhou
Whirlpool Galaxy (Messier 51)
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Whirlpool Galaxy (Messier 51)

Technical card


Dates:Jan. 12, 2018

Frames:Astrodon LRGB Gen2 E-Series Tru-Balance Filters: 71x600" -25C bin 1x1

Integration: 11.8 hours

Avg. Moon age: 25.43 days

Avg. Moon phase: 17.88%


Basic astrometry details

Astrometry.net job: 2075697

RA center: 13h 30' 12"

DEC center: +47° 14' 34"

Pixel scale: 1.660 arcsec/pixel

Orientation: 0.846 degrees

Field radius: 0.542 degrees


Resolution: 1622x1699

Locations: Deep Sky West, Rowe, New Mexico, United States

Data source: Unknown

Description

Reprocessed and much better than the prior one; re-post.

Version C: Background improvement, but still not satisfactory.

Comments

Author

mileszhou
Miles Zhou
License: None (All rights reserved)
3103
Like

Revisions

  • Whirlpool Galaxy (Messier 51), 



    
        

            Miles Zhou
    Original
  • Whirlpool Galaxy (Messier 51), 



    
        

            Miles Zhou
    B
  • Final
    Whirlpool Galaxy (Messier 51), 



    
        

            Miles Zhou
    D

B

Description: Ha mixed in.

D

Description: bg-improvement

Sky plot

Sky plot

Histogram

Whirlpool Galaxy (Messier 51), 



    
        

            Miles Zhou