(Redirected from Open Cluster M18)
'Open Cluster M18' (also known as 'Messier Object 18' or 'NGC 6613') is an
open cluster in the
constellation Sagittarius. It was discovered by
Charles Messier in
1764 and included in his list of
comet-like objects. M18 is situated between the
Omega Nebula (M17) and the
Sagittarius Star Cloud (M24). Its age is estimated at 32 million years.
External links
★
Messier 18, SEDS Messier pages
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