Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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Whirlpool, 



    
        

            Scott Johnson
Whirlpool
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Whirlpool

Getting plate-solving status, please wait...
Whirlpool, 



    
        

            Scott Johnson
Whirlpool
Powered byPixInsight

Whirlpool

Acquisition details

Dates:
July 11, 2018
Frames:
100×60(1h 40′)
Integration:
1h 40′
Avg. Moon age:
27.64 days
Avg. Moon phase:
4.01%

Basic astrometry details

Astrometry.net job: 2140573

RA center: 13h29m55s.4

DEC center: +47°1134

Pixel scale: 0.948 arcsec/pixel

Orientation: 266.787 degrees

Field radius: 0.489 degrees

Resolution: 3088x2072

File size: 36.7 MB

Locations: The Driveway, Acworth, GA, United States

Data source: Backyard

Description

The Whirlpool Galaxy, also known as Messier 51a, M51a, and NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus.[8] [7][9] It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy.[10] Its distance is estimated to be between 15 and 35 million light-years.[3]

Comments

Revisions

  • Whirlpool, 



    
        

            Scott Johnson
    Original
  • Whirlpool, 



    
        

            Scott Johnson
    B
  • Final
    Whirlpool, 



    
        

            Scott Johnson
    C

B

Description: The Whirlpool Galaxy, also known as Messier 51a, M51a, and NGC 5194

Uploaded: ...

C

Description: Updated, added another 1 hour of 2min exposures. Corrected orientation.

Uploaded: ...

Sky plot

Sky plot

Histogram

Whirlpool, 



    
        

            Scott Johnson