Description
Overview:
Messier Object M18 is a Open Cluster discovered by Charles Messier in 1764.
It has an angular size of 9 arc minutes.
Location:
M18 is located inside the constellation Sagittarius at Right Ascension
18 19.9 and Declination -17 08.
It is 4,900 light years from Earth making it the 30th furthest Messier Object from Earth.
Brightness:
In relation to the other Messier Objects, M18 is a relatively bright deep sky object
with a visual magnitude of 7.5.
