Messier 23

Summary

Messier 23 is an open cluster^[1]. It draws 19 Wikipedia views per month (open_cluster category, ranking #25 of 108).^[2]

Key Facts

• Messier 23 is credited with the discovery of Charles Messier^[3].
• Messier 23's image is recorded as Messier object 023.jpg^[4].
• Messier 23's image is recorded as M023.jpg^[5].
• Messier 23's instance of is recorded as open cluster^[6].
• Messier 23's constellation is recorded as Sagittarius^[7].
• Messier 23's spectral class is recorded as I^[8].
• Messier 23's Commons category is recorded as Messier 23^[9].
• Messier 23's catalog code is recorded as M 23^[10].
• Messier 23's catalog code is recorded as NGC 6494^[11].
• Messier 23's catalog code is recorded as OCl 30^[12].
• Messier 23's catalog code is recorded as Melotte 184^[13].
• Messier 23's catalog code is recorded as Collinder 356^[14].
• Messier 23's catalog code is recorded as C 1753-190^[15].
• Messier 23's catalog code is recorded as [KPS2012] MWSC 2757^[16].
• Messier 23's time of discovery or invention is recorded as +1764-06-20T00:00:00Z^[17].
• Messier 23's Freebase ID is recorded as /m/03tlmg^[18].
• Messier 23's topic's main category is recorded as Category:Messier 23^[19].
• Messier 23's Commons gallery is recorded as Messier 23^[20].
• Messier 23's apparent magnitude is recorded as {'amount': '+6.03'}^[21].
• Messier 23's apparent magnitude is recorded as {'amount': '+5.5'}^[22].
• Messier 23's radius is recorded as {'unit': 'Q531', 'amount': '+8'}^[23].
• Messier 23's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '-8.6'}^[24].
• Messier 23's metallicity is recorded as {'amount': '-0.04'}^[25].
• Messier 23's distance from Earth is recorded as {'unit': 'Q12129', 'amount': '+628'}^[26].
• Messier 23's SIMBAD ID is recorded as M 23^[27].

Body

Designation and Status

Messier 23's instance of is recorded as open cluster^[6].

History and Context

Catalog codes include M 23^[10], NGC 6494^[11], OCl 30^[12], Melotte 184^[13], Collinder 356^[14], and C 1753-190^[15].

Why It Matters

Messier 23 draws 19 Wikipedia views per month (open_cluster category, ranking #25 of 108).^[2] It has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.^[28] It is known by 7 alternative names across languages and contexts.^[29]