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Contains:  NGC 7317, NGC 7318, NGC 7319, NGC 7320, Stephan's Quintet
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Stephen's Quintet @ DSW, 



    
        

            Miles Zhou
Stephen's Quintet @ DSW
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Stephen's Quintet @ DSW

Technical card


Dates:Oct. 24, 2017

Frames:
Astrodon RGB: 49x1200" -25C bin 1x1
Astrodon luminance filter: 20x1200" -25C bin 1x1

Integration: 23.0 hours

Avg. Moon age: 4.33 days

Avg. Moon phase: 19.76%


Basic astrometry details

Astrometry.net job: 1858967

RA center: 22h 36' 5"

DEC center: +33° 59' 52"

Pixel scale: 0.550 arcsec/pixel

Orientation: 281.181 degrees

Field radius: 0.195 degrees


Resolution: 1924x1668

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

Description

Stephen's Quintet consist of (of course) five galaxies; two of them are very close and are expected to merge. This is a difficult target for land telescopes, and particularly, for one of size of 14.5" in diameter; it is small.

This is an LRGB composition, processed carefully to protect the delicate information and avoid stars get bloated, or trying to reduce the bloat.

Comments

Author

mileszhou
Miles Zhou
License: None (All rights reserved)
2362
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Revisions

  • Stephen's Quintet @ DSW, 



    
        

            Miles Zhou
    Original
  • Final
    Stephen's Quintet @ DSW, 



    
        

            Miles Zhou
    B

Sky plot

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Histogram

Stephen's Quintet @ DSW, 



    
        

            Miles Zhou

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