Messier 15

Messier 15 (M15) is a globular cluster in the constellation Pegasus, with an apparent magnitude of 6.4. It is about 33,300 light-years away.

Free to use with credit: Atlas of the Sky (constellationmap.org), CC BY 4.0 · More

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<a href="https://constellationmap.org/messier/m15/"><img src="https://constellationmap.org/img/messier/m15-finder-chart.png" alt="Finder chart for Messier 15 in the constellation Pegasus" width="800" height="800" loading="lazy"></a>
<br><small><a href="https://constellationmap.org/messier/m15/">Messier 15</a> · Atlas of the Sky (constellationmap.org), <a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a></small>

Facts

Catalog	Messier 15 (M15)
Type	globular cluster
Constellation	Pegasus
Apparent magnitude	6.4
Distance	about 33,300 light-years
Right ascension	21 h 30.0 min
Declination	+12.17°
Best month	September (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 M15

M15 is in Pegasus. From 40° N it is highest in the south in September evenings, about 62° up. From 35° S it reaches about 43° in the north. Binoculars show it under a dark sky; a small telescope shows more detail.

Pegasus constellation →

The Messier catalog →

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Messier 15

Facts

How to find M15

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