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





    
        

            Prabhakar
M51 Whirlpool Galaxy

M51 Whirlpool Galaxy

Technical card

Imaging telescope or lens:Takahashi FSQ85

Imaging camera:QSI683wsg

Mount:Orion Atlas EQ-G + EQDIR

Guiding camera:Lodestar

Software:Startools 1.3.5

Filter:Astrodon LRGB Tru-Balance E-series Gen II

Accessory:USB FOCUS USB_focus

Resolution: 904x689

Dates:April 9, 2015

Frames: 20x300"

Integration: 1.7 hours

Avg. Moon age: 19.46 days

Avg. Moon phase: 77.04%

Astrometry.net job: 615165

RA center: 202.492 degrees

DEC center: 47.188 degrees

Orientation: 88.317 degrees

Field radius: 0.390 degrees

Description

Whirlpool Galaxy (Messier 51a, M51a, or NGC 5194) is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus in the constellation Canes Venatici. It was the first galaxy to be classified as a spiral galaxy. Recently it was estimated to be 23 ± 4 million light-years from the Milky Way, but different methods yield distances between 15 and 35 million ly. Messier 51 is one of the best known galaxies in the sky. The galaxy and its companion (NGC 5195) are easily observed by amateur astronomers, and the two galaxies may even be seen with binoculars. The Whirlpool Galaxy is also a popular target for professional astronomers, who study it to further understand galaxy structure (particularly structure associated with the spiral arms) and galaxy interactions.

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Imaged at Harold campbell pua, South Florida
Lum - 1X1 Bin - 14x300 secs
RGB - 2X2 Bin - 2+2+2 x300 secs

Comments

Author

neomonks
Prabhakar
License: Attribution Creative Commons
3071
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Revisions

  • M51 Whirlpool Galaxy, 





    
        

            Prabhakar
    Original
  • Final
    M51 Whirlpool Galaxy, 





    
        

            Prabhakar
    B

Sky plot

Sky plot

Histogram

M51 Whirlpool Galaxy, 





    
        

            Prabhakar