Home›Astronomical objects discovered in 1787›NGC 637🌐EnglishEnglishفارسیEntityQ652785· pop 31· linked from 898 articlesNGC 637Also known as New General Catalogue 637open cluster in the constellation CassiopeiaWikidata factsDistance from Earth2160ImageNGC 0637 DSS.jpgShow 9 more factscatalog codeOCISM 77time of discovery or invention1787-11-09apparent magnitude8.2right ascension25.7667declination64.0400radial velocity-45.8right ascension component of proper motion-0.37declination component of proper motion-0.61Commons categoryNGC 637Available in 30 languagesFrançaisDeutsch中文РусскийPortuguêsالعربيةAzerbaijaniBasqueBelarusianBosnianBurmeseChechenConnectionslist of NGC objects (1–1000)Entityopen clusterEntityCategoriesAstronomical objects discovered in 1787Cassiopeia (constellation)Discoveries by William HerschelNGC objectsOpen clusters