SkyMate
Star · Yellow · Cygnus

Sadr

37 Cyg · HIP 100453
Above the horizon all nightHighest after dark 20:20 · south · 79°
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SadrN ↑ E ← · 36° FIELD

Where is Sadr?

Times for LondonChange city

Look south, about 79° up at 20:20 in Cygnus.

Rises
Always up
Highest
20:25
Sets
Never
Best after dark
20:20 · 79°

Can I see Sadr tonight?

From London tonight, Sadr is above the horizon all night. It’s highest soon after dark, around 20:20, in the south at 79°.

At magnitude 2.2 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.

What does Sadr look like?

Sadr looks yellow to the eye (color is easier to see in binoculars). Its spectral type is F8Ib: yellow-white supergiant (a little hotter than the Sun).

Eyes

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

Binoculars

Brighter, and its yellow color is easier to see.

Telescope

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.

About Sadr

Sadr is a star in Cygnus, shining at magnitude 2.2. Its spectral type, F8Ib, marks it as: yellow-white supergiant (a little hotter than the Sun).

Sadr in Cygnus

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