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Object
............................................ STEPHAN'S QUINTET ( NGC
7317 , 7318A , 7318B , 7319 , 7320)
Constellation .............................. Pegasus
Distance + Ap. Magnitude....... 280 million Light years - 13.2
Date + Time ............................... 20/10/2011 - 18:30 UTC
Location .................................... "Nunki
Observatory" - Skiathos
Optics .........................................
Celestron C11 HD f/10
Tools .......................................... CCDsoft
Camera ..................................... SBIG ST10XE with CFW10 (Astrodon filters)
Exposure Time.......................
Luminance: 2 X 900 sec
More Details ...........................
Environment Temperature : 15oC Camera Temperature -10οC
Mount ....................................... Paramount
ME
Guiding .................................... Self guided
Processing Details ................ Photoshop ,
Maxim , CCDsoft
Notes ........................................
Weather:9/10 - Transparence: 5/6 - Humidity : 84%
Target details .........................
Stephan's Quintet in the constellation
Pegasus is a visual grouping of five galaxies of which four form the
first compact galaxy group ever discovered.The group was discovered
by Édouard Stephan in 1877 at Marseilles Observatory.The group is
the most studied of all the compact galaxy groups.The brightest
member of the visual grouping is NGC 7320 that is shown to have
extensive H II regions, identified as red blobs, where active star
formation is occurring. |
