Wikimedia Commons has media related to Messier objects.
Help keep this category in order, modify
[[Category:Messier objects]] to add a sort key:
- Articles with the Messier number in the title
- use
[[Category:Messier objects|###]], dropping the M prefix, and using only the number. The number should be padded up to 3 digits using zeroes. - Articles without the Messier number in the title
- use
[[Category:Messier objects]]. A redirect containing the Messier number should also be added to the category, sorted as above.