M 7 · Open cluster · Scorpius

Ptolemy's Cluster

Also known as NGC 6475

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Type

Open cluster

Constellation

Scorpius

Position (J2000)

17h 53m 51s · −34° 47′ 34″

Discovered

by Ptolemy in 130

Pictures

1

Magnitude

3.3

visual

Size

22.2′

Distance

~890 ly

Best months

May–Jul

Catalogue data from OpenNGC by Mattia Verga, CC BY-SA 4.0. Distances, discoverers and common names from Wikidata, CC0.