Deep sky: the Messier objects

Charles Messier’s catalogue of galaxies, nebulae and star clusters, the classic targets for binoculars and small telescopes.

Tue, Oct 13 2026

Heights are for 10 pm tonight at the place above.

M102 is left out: which object Messier meant is disputed. OpenNGC treats it as a repeat observation of M101, while others take it to be NGC 5866. Data: OpenNGC (CC BY-SA 4.0). Photo: NASA Hubble Messier Catalog, credit as shown. Data sources

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