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M15 Globular Cluster in Pegasus
Messier 15, a gobular cluster in Pegasus, which was originally discovered by Maraldi in 1746 and rediscovered by Messier in 1764, lies 30,600 light years away. Fourteen 120-second exposures aligned, calibrated, and combined in Images Plus; processed with Adobe Photoshop CS2; taken with a 178mm f/9 Astro-Physics refractor and a Canon 20Da DSLR camera (ISO 800).
M45_Images_Plus_R.jpg M42n=30EXP2minCombineFilesSigAvg.jpg M15n=14.jpg North_American_n=1_3_min_exp_E180.jpg IC_1805_n=1_3_min_exp_E180.jpg
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