M15
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Constellation-
Pegasus
Right
Ascension: 21h 30m 48 s
Declination:
12° 14' 42"
Distance:
~33,600 light years
Visual
Brightness: mag 6.4
Apparent
Dimension: 12.3arc minutes
Image
information-
Date
taken-Oct. 31, 2005
Telescope/Focal
length/Camera/Temperature- C11 OTA @ f/6.8, ST-8XE NABG @ -20C, autoguided with PHD 2.5 or internal guide chip
Integrations- RGB = 6 x 480 seconds each binned 2x2
Processing-
Flats and darks in CCDSoft, aligned, combined, and processed in CCDSoft and
Photoshop CS5