Messier 103, also known as M103 or NGC 581, is an open cluster of stars in the constellation Cassiopeia, discovered by Pierre Mechain in 1781. It was the last object Charles Messier personally added to his catalogue before its later extensions by other astronomers, and it lies roughly 8,000 to 9,500 light-years from Earth.
Facts
Classification
Constellation Discovery Year In the Other Atlases
In Constellation
Also in Divinity Atlas: the constellation this subject lies in.
Sources
1. Wikidata: Messier 103
- Wikidata Q14376, class allow-list match (w-wdresolver-0926)
- wikidata-q14376 Wikidata claim (w-bbfill-edspace5-0927)
View the Source2. Wikipedia (space and spaceflight articles)
Wikimedia Foundation
Messier 103 (Wikipedia)
Messier 103, Wikipedia - lead section, catalogue classification
Messier 103 (also known as M103, or NGC 581) is a small open cluster of many faint stars in Cassiopeia.
In Group: Open Clusters, Lead sentence
Messier 103 (also known as M103, or NGC 581) is a small open cluster of many faint stars in Cassiopeia.
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