Messier 19, also known as M19 or NGC 6273, is a globular cluster in the constellation Ophiuchus, discovered by Charles Messier on 5 June 1764. William Herschel resolved it into individual stars in 1784, and his son John Herschel later described it as a superb cluster resolvable into countless stars; through a 10-inch telescope it shows an oval core roughly three by four arcminutes across surrounded by a larger halo.
Facts
Classification
Constellation Discovery Year In the Other Atlases
In Constellation
Also in Divinity Atlas: the constellation this subject lies in.
Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia Foundation
2. Wikidata: Messier 19
Messier 19 (Wikipedia)
Messier 19, Wikipedia - lead section, catalogue classification
Messier 19 or M19 (also designated NGC 6273) is a globular cluster in the constellation Ophiuchus.
Messier 19, Wikipedia - lead section, constellation
Messier 19 or M19 (also designated NGC 6273) is a globular cluster in the constellation Ophiuchus.
In Group: Globular Clusters, Lead sentence
Messier 19 or M19 (also designated NGC 6273) is a globular cluster in the constellation Ophiuchus.
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