NGC 654

Summary

NGC 654 is an open cluster^[1]. It draws 11 Wikipedia views per month (open_cluster category, ranking #35 of 108).^[2]

Key Facts

• NGC 654 is credited with the discovery of William Herschel^[3].
• NGC 654's image is recorded as NGC 654,VdB6,LDN 1332,1334,1337 (Cassiopeia).jpg^[4].
• NGC 654's instance of is recorded as open cluster^[5].
• NGC 654's constellation is recorded as Cassiopeia^[6].
• NGC 654's part of is recorded as Milky Way^[7].
• NGC 654's Commons category is recorded as NGC 654^[8].
• NGC 654's catalog code is recorded as NGC 654^[9].
• NGC 654's catalog code is recorded as Collinder 18^[10].
• NGC 654's catalog code is recorded as Melotte 9^[11].
• NGC 654's catalog code is recorded as OCl 330^[12].
• NGC 654's catalog code is recorded as OCl 330.0^[13].
• NGC 654's catalog code is recorded as C 0140+616^[14].
• NGC 654's catalog code is recorded as OCISM 78^[15].
• NGC 654's catalog code is recorded as [KPS2012] MWSC 0137^[16].
• NGC 654's time of discovery or invention is recorded as +1787-11-03T00:00:00Z^[17].
• NGC 654's apparent magnitude is recorded as {'amount': '+7.34'}^[18].
• NGC 654's apparent magnitude is recorded as {'amount': '+6.5'}^[19].
• NGC 654's absolute magnitude is recorded as {'amount': '+7.36'}^[20].
• NGC 654's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '-11.5'}^[21].
• NGC 654's distance from Earth is recorded as {'unit': 'Q11929860', 'amount': '+1.60'}^[22].
• NGC 654's Google Knowledge Graph ID is recorded as /g/120ykntc^[23].
• NGC 654's SIMBAD ID is recorded as NGC 654^[24].
• NGC 654's New General Catalogue ID is recorded as 654^[25].
• NGC 654's right ascension is recorded as {'unit': 'Q28390', 'amount': '+26.0000'}^[26].
• NGC 654's declination is recorded as {'unit': 'Q28390', 'amount': '+61.8850'}^[27].

Body

Geography

NGC 654's part of is recorded as Milky Way^[7].

Designation and Status

NGC 654's instance of is recorded as open cluster^[5].

History and Context

Catalog codes include NGC 654^[9], Collinder 18^[10], Melotte 9^[11], OCl 330^[12], OCl 330.0^[13], and C 0140+616^[14].

Why It Matters

NGC 654 draws 11 Wikipedia views per month (open_cluster category, ranking #35 of 108).^[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.^[28]