Star · Blue-white · Ursa Major

Alioth

77 UMa · HIP 62956

Above the horizon all nightHighest after dark 20:20 · northwest · 32°

Join the waitlistSkyMate is coming to iPhone

Where is Alioth?

Times for LondonChange city

Look northwest, about 32° up at 20:20 in Ursa Major.

From London tonight, Alioth is above the horizon all night. It’s highest soon after dark, around 20:20, in the northwest at 32°.

At magnitude 1.8 it is one of the brighter points in the sky, easy to see by eye when it’s clear.

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

Alioth looks blue-white to the eye. Its spectral type is A1III-IVpkB9: white giant (hotter than the Sun).

A blue-white point of light, visible even from many towns when it’s clear.

Brighter, and its blue-white color is easier to see.

Still a point of light: no amateur telescope shows a star’s surface.

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

Alioth is a star in Ursa Major, shining at magnitude 1.8. Its spectral type, A1III-IVpkB9, marks it as: white giant (hotter than the Sun).

Sources: SkyMate; Wikidata (CC0). Positions computed for your place and time with astronomy-engine. Data & Licences