Michael’s Miscellany: Observe M15

If you live in the Northern Hemisphere and are looking for a great object to observe on a fall night, M15 is a showpiece globular cluster that resides within the boundaries of the constellation Pegasus the Winged Horse. It’s fairly sizeable, having a diameter of 12.3′. From a dark observing site, sharp-eyed observers can spotContinue reading “Michael’s Miscellany: Observe M15”
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