Hemisphere:  Northern  ·  Constellation: Pegasus (Peg)  ·  Contains:  NGC 7317  ·  NGC 7318  ·  NGC 7319  ·  NGC 7320  ·  Stephan's Quintet
Stephan's Quintet, 



    
        

            stevebryson
Stephan's Quintet
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Stephan's Quintet

Stephan's Quintet, 



    
        

            stevebryson
Stephan's Quintet
Powered byPixInsight

Stephan's Quintet

Acquisition details

Dates:
Sept. 18, 2012 ·  Sept. 19, 2012 ·  Sept. 20, 2012 ·  Sept. 22, 2012
Frames:
Orion SkyGlow 2" Imaging Filter: 41×900(10h 15′) -20°C bin 1×1
Integration:
10h 15′
Avg. Moon age:
4.58 days
Avg. Moon phase:
23.47%
Bortle Dark-Sky Scale:
5.00

Basic astrometry details

Astrometry.net job: 89015

RA center: 22h36m01s.7

DEC center: +33°5746

Pixel scale: 1.107 arcsec/pixel

Orientation: 87.896 degrees

Field radius: 0.232 degrees

Resolution: 1212x896

File size: 222.3 KB

Description

The redder galaxies are in the processes of merging. Notice the faint tail to the right of the blue galaxy? That is a streamer of stars thrown out by the gravitational interaction of the redder galaxies.

The bluer galaxy is a chance alignment, and is 10 times closer.

Comments

Sky plot

Sky plot

Histogram

Stephan's Quintet, 



    
        

            stevebryson