Messier 103

Summary

Messier 103 is an open cluster^[1]. It draws 32 Wikipedia views per month (open_cluster category, ranking #23 of 108).^[2]

Key Facts

• Messier 103 is credited with the discovery of Pierre Méchain^[3].
• Messier 103's image is recorded as Messier object 103.jpg^[4].
• Messier 103's instance of is recorded as open cluster^[5].
• Messier 103's constellation is recorded as Cassiopeia^[6].
• Messier 103's spectral class is recorded as d^[7].
• Messier 103's part of is recorded as Milky Way^[8].
• Messier 103's Commons category is recorded as Messier 103^[9].
• Messier 103's catalog code is recorded as M 103^[10].
• Messier 103's catalog code is recorded as NGC 581^[11].
• Messier 103's catalog code is recorded as OCl 326^[12].
• Messier 103's catalog code is recorded as Collinder 14^[13].
• Messier 103's catalog code is recorded as Melotte 8^[14].
• Messier 103's catalog code is recorded as C 0129+604^[15].
• Messier 103's catalog code is recorded as OCISM 75^[16].
• Messier 103's catalog code is recorded as [KPS2012] MWSC 0124^[17].
• Messier 103's time of discovery or invention is recorded as +1781-00-00T00:00:00Z^[18].
• Messier 103's Freebase ID is recorded as /m/03vblg^[19].
• Messier 103's topic's main category is recorded as Category:Messier 103^[20].
• Messier 103's Commons gallery is recorded as Messier 103^[21].
• Messier 103's apparent magnitude is recorded as {'amount': '+7.72'}^[22].
• Messier 103's apparent magnitude is recorded as {'amount': '+7.4'}^[23].
• Messier 103's radius is recorded as {'unit': 'Q531', 'amount': '+7.5'}^[24].
• Messier 103's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '-45.7'}^[25].
• Messier 103's distance from Earth is recorded as {'unit': 'Q531', 'amount': '+8500'}^[26].
• Messier 103's distance from Earth is recorded as {'unit': 'Q12129', 'amount': '+2194'}^[27].

Body

Geography

Messier 103's part of is recorded as Milky Way^[8].

Designation and Status

Messier 103's instance of is recorded as open cluster^[5].

History and Context

Catalog codes include M 103^[10], NGC 581^[11], OCl 326^[12], Collinder 14^[13], Melotte 8^[14], and C 0129+604^[15].

Why It Matters

Messier 103 draws 32 Wikipedia views per month (open_cluster category, ranking #23 of 108).^[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.^[28] It is known by 9 alternative names across languages and contexts.^[29]