Messier 25

Messier 25 (M25) is a open cluster in the constellation Sagittarius, with an apparent magnitude of 4.6. It is about 2,022 light-years away.

Finder chart for Messier 25 in the constellation Sagittarius
Messier 25 (circled) in Sagittarius. Pink symbols mark Messier objects.
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Facts

CatalogMessier 25 (M25)
Typeopen cluster
ConstellationSagittarius
Apparent magnitude4.6
Distanceabout 2,022 light-years
Right ascension18 h 31.8 min
Declination−19.12°
Best monthAugust (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find M25

M25 is in Sagittarius. From 40° N it is highest in the south in August evenings, about 31° up. From 35° S it reaches about 74° in the north. It is visible to the naked eye under a dark sky and easy in binoculars.

Sagittarius constellation →

Other Messier objects in Sagittarius

Lagoon Nebula (M8)Omega Nebula (M17)Messier 18 (M18)Trifid Nebula (M20)Messier 21 (M21)Messier 22 (M22)Messier 23 (M23)Sagittarius Star Cloud (M24)Messier 28 (M28)Messier 54 (M54)Messier 55 (M55)Messier 69 (M69)Messier 70 (M70)Messier 75 (M75)

The Messier catalog →

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