Messier 100 (M100) is a grand-design spiral galaxy in the Coma Berenices constellation. M100 is one of the galaxies in the Virgo cluster. Its alternative designation is NGC 4321.
Image taken using the Schulman Foundation’s 24-inch telescope on Mt. Lemmon, AZ, using SBIG STL-11000M camera. Data frames by Adam Block. LLRGB processing using Maxim DL, CCDSharp, Digital Development, and Photoshop CS3 by JDS.
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