NGC 2509

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Science and technology

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What Wikipedia says

NGC 2509 is an open cluster of stars in the constellation of Puppis. It was discovered on 3 December 1783 by William Herschel. It was described as "bright, pretty rich, slightly compressed" by John Louis Emil Dreyer, the compiler of the New General Catalogue.

Excerpt from the Wikipedia article “NGC 2509”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Donald Pelletier, CC BY-SA 4.0, via Wikimedia Commons.