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Messier 23: Difference between revisions
Created page with "Messier 23 (also known as NGC 6494) is an open cluster in the constellation Sagittarius. It was discovered by Charles Messier on June 20, 1764. M23 is at a distance of abo..."
(Created page with "Messier 23 (also known as NGC 6494) is an open cluster in the constellation Sagittarius. It was discovered by Charles Messier on June 20, 1764. M23 is at a distance of abo...") |
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