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

Technical card

Imaging telescopes or lenses: Astro-Tech AT10RCCF

Imaging cameras: SBIG ST-8300C

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: Astro-Tech AT10RCCF

Guiding cameras: The Imaging Source DMK 21AF04

Software: photoshop  ·  PixInsight  ·  Nebulosity  ·  Microprojects Equinox Image

Filters: Orion SkyGlow 2" Imaging Filter

Accessory: Orion Deluxe off-axis guider


Dates:Sept. 18, 2012Sept. 19, 2012Sept. 20, 2012Sept. 22, 2012

Frames:Orion SkyGlow 2" Imaging Filter: 41x900" (10h 15') -20C bin 1x1

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: 22h 36' 1"

DEC center: +33° 57' 46"

Pixel scale: 1.107 arcsec/pixel

Orientation: 87.896 degrees

Field radius: 0.232 degrees


Resolution: 1212x896

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