Messier 21 photograph

Messier 21

Use attributes for filter !
Distance to Earth4,240 light years
Apparent magnitude (V)6. 5
Date of Reg.
Date of Upd.
ID2341456
Send edit request

About Messier 21


Messier 21 or M21, also designated NGC 6531, is an open cluster of stars in the constellation of Sagittarius. It was discovered and catalogued by Charles Messier on June 5, 1764. This cluster is relatively young and tightly packed.

Messier 21 Photos

Related Persons

Next Profile ❯