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Scorpius

Ptolemy’s Cluster, M7

Target Type R. A. Dec. Constellation Magnitude Size M7 (NGC 6475), Ptolemy’s Cluster Open Cluster 17h 53m 51s -34° 47′ 00″ Scorpius +3.29 80 arcmins Overview This is a large cluster that is low on the horizon at its peak in a summer’s evening. Officially part of Scorpius, it’s easier to think of it near …

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