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M18

NGC 6613

Proper NamesNone
Messier NumberM18
NGC/IC NumberNGC 6613
ConstellationSagittarius
Right Ascension18h 20m 55s
Declination-17° 5' 21"
Distancec.4,900 light years
c.1,500 parsecs
MagnitudeApparent: +7.5
Absolute: -8.5
DiameterApparent: 9'
Actual: 18 light years
Number of Starsc. 20
Optimum VisibilityJuly
NotesPart of the dense cloud of clusters and nebulae that lie in the direction of the Milky Way's core, M18 is a collection of young stars in a region some eighteen light years across, a little less than 5,000 light years from the Solar System.

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