Star · White · Cepheus

Alderamin

5 Cep · HIP 105199

Above the horizon all nightHighest after dark 21:16 · north · 79°

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Where is Alderamin?

Times for LondonChange city

Look north, about 79° up at 21:16 in Cepheus.

From London tonight, Alderamin is above the horizon all night. It’s highest after dark at 21:16, in the north at 79°.

At magnitude 2.5 it is visible by eye, even from many towns, when the sky is clear.

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

Alderamin looks white to the eye (color is easier to see in binoculars). Its spectral type is A8Vn: white main-sequence star (hotter than the Sun).

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

Brighter, and its 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.

Alderamin is a star in Cepheus, shining at magnitude 2.5. Its spectral type, A8Vn, marks it as: white main-sequence star (hotter than the Sun).

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