Alphecca
Where is Alphecca?
Look west, about 32° up at 20:20 in Corona Borealis. It sinks lower through the evening and sets at 00:19.
- Rises
- 06:55
- Highest
- 15:39
- Sets
- 00:19
- Best after dark
- 20:20 · 32°
Can I see Alphecca tonight?
From London tonight, Alphecca is above the horizon after dark. It’s highest soon after dark, around 20:20, in the west at 32°.
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 Alphecca look like?
Alphecca looks blue-white to the eye (color is easier to see in binoculars). Its spectral type is A1IV: white subgiant (hotter than the Sun).
Eyes
A blue-white point of light, visible even from many towns when it’s clear.
Binoculars
Brighter, and its blue-white color is easier to see.
Telescope
Still a point of light: no amateur telescope shows a star’s surface.
About Alphecca
Alphecca is a star in Corona Borealis, shining at magnitude 2.2. Its spectral type, A1IV, marks it as: white subgiant (hotter than the Sun).
Alphecca in Corona Borealis
Sources: SkyMate; Wikidata (CC0). Positions computed for your place and time with astronomy-engine. Data & Licences