'Messier 103' (also known as ''M103'', or ''NGC 581'') is an
open cluster in the
constellation Cassiopeia. It was discovered by
Pierre Méchain in
1781. M103 is at a distance of about 8,000
light-years away from
Earth.
External links
★
Open Cluster M103 @ SEDS Messier pages
العربية
中国
Français
Deutsch
Ελληνική
हिन्दी
Italiano
日本語
Português
Русский
Español
