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Messier 25 - Open Cluster in Sagittarius | by The Dark Side Observatory
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Messier 25 - Open Cluster in Sagittarius

Messier 25 (M25) is an open cluster found in the constellation Sagittarius. It is about 2,000 light-years away from Earth and has an apparent magnitude of 4.6. The number of stars in this cluster have ranged from 86 to 601 depending on the source!


Tech Specs: Sky-Watcher Esprit 120mm ED Triplet APO Refractor, Celestron CGEM-DX mount, Canon 6D stock camera, ISO 3200, 15 x 60 second exposures with dark/bias frames, guided using a ZWO ASI290MC and Orion 60mm guide scope. Image date: September 28, 2018. Location: The Dark Side Observatory, Weatherly, PA, USA.

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Uploaded on November 17, 2018