Messier 102

Messier 102 (M102) is a lenticular galaxy in the constellation Draco, with an apparent magnitude of 9.9. It is about 48.6 million light-years away.

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

Embed this image on your website

Paste this HTML into your page. It shows the image and credits the source as the license requires.

<a href="https://constellationmap.org/messier/m102/"><img src="https://constellationmap.org/img/messier/m102-finder-chart.png" alt="Finder chart for Messier 102 in the constellation Draco" width="800" height="800" loading="lazy"></a>
<br><small><a href="https://constellationmap.org/messier/m102/">Messier 102</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 102 (M102)
Type	lenticular galaxy
Constellation	Draco
Apparent magnitude	9.9
Distance	about 48.6 million light-years
Right ascension	15 h 6.5 min
Declination	+55.76°
Best month	June (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 M102

M102 is in Draco. From 40° N it is highest in the north in June evenings, about 74° up. From 35° S it stays below the horizon. You need a telescope and a dark sky to see it.

Draco constellation →

The Messier catalog →

Report a mistake on this page

Messier 102

Facts

How to find M102

Optional analytics