Galaxy · Coma Berenices

Messier 100

M100 · NGC 4321

Low after darkLow · northeast · 2° at 05:17

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Where is Messier 100?

Times for LondonChange city

Low in the northeast, at most 2° up around 05:17 in Coma Berenices.

Rises: 04:58
Highest: 12:28
Sets: 19:53
Best after dark: 05:17 · 2°

Can I see Messier 100 tonight?

From London tonight, Messier 100 stays low while the sky is dark: at best 2° above the northeast horizon around 05:17. You’ll need a clear, flat view in that direction.

At magnitude 9.5, with its light spread out, it needs a telescope and a dark sky.

This is position and timing only: clouds, haze and light pollution aren’t included.

What does Messier 100 look like?

Eyes

Not visible

Too faint to see by eye.

Binoculars

Too faint for most binoculars.

Telescope

A brighter core in a faint glow. Spiral arms show only in long-exposure photos.

What you’re likely to see, not what a space telescope photographs. General guidance from catalog brightness and size, not a forecast for tonight.

About Messier 100

Messier 100 (M100) is a galaxy in Coma Berenices, with a total brightness of magnitude 9.5 and an apparent size of 6.1′.

Nearby in the sky

Its constellationComa Berenices Another galaxyAndromeda Galaxy Another galaxyTriangulum Galaxy 2° awayMessier 99 2° awayMessier 98 GuideBinoculars or telescope: what to start with

Sources: OpenNGC (CC BY-SA 4.0); star chart: Wikidata (CC0). Positions computed for your place and time with astronomy-engine. Data & Licences