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Constellation · best in November evenings

Cetus

The Whale · Genitive Ceti · Cet
Above the horizon after darkHighest after dark 01:33 · south · 30°
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Where is Cetus?

Times for LondonChange city

Look south, about 30° up at 01:33.

Rises
20:19
Highest
01:36
Sets
06:53
Best after dark
01:33 · 30°

How to find Cetus

Nearby constellations include Pisces, Sculptor, Fornax and Eridanus.

Its center is at right ascension 1h 34m, declination −9°. Use the chart above: north is up and east is to the left, as when you face south from the Northern Hemisphere.

Brightest star: Diphda

Best time to see Cetus

Cetus is highest in the evening sky, around 10 pm, in November. A month or two either side it is still well placed, earlier or later in the night. All of it rises above the horizon from latitudes of about 51° N to 69° S.

From London tonight, Cetus is above the horizon after dark. It’s highest after dark at 01:33, in the south at 30°.

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

Seeing Cetus

Eyes

Its brightest star, undefined, is easy to see. Tracing the whole pattern is easier away from bright lights.

Binoculars

Binoculars show many more stars than your eye, and bring out star clusters and brighter nebulae inside it.

Telescope

The constellation is far too large for a telescope’s view. Use one for the clusters, nebulae and galaxies inside it.

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

Cetus (genitive Ceti, abbreviated Cet) is one of the 88 constellations recognized by the International Astronomical Union, which together cover the whole sky.

SkyMate’s web catalog includes 3 named stars and 1 deep-sky object in Cetus.

Brightest stars and objects in Cetus

Questions

When is Cetus visible?
Cetus is highest in the evening sky, around 10 pm, in November. In the months either side it is still well placed, earlier or later in the night.
Can I see Cetus from where I live?
All of Cetus rises above the horizon from latitudes of about 51° N to 69° S. Outside that range, part or all of it stays below the horizon.

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