Deneb

Deneb (α Cygni) is a white supergiant star in the constellation Cygnus. With an apparent magnitude of 1.25 it is the 20th-brightest star in the night sky, and it is about 1,640 light-years from Earth.

Finder chart showing where Deneb is in the constellation Cygnus
Deneb (circled) in Cygnus, with the surrounding constellations and bright stars.
Download:PNG

Free to use with credit: Atlas of the Sky (constellationmap.org), CC BY 4.0 · More

Embed this image on your website

Paste this HTML into your page. It shows the image and credits the source as the license requires.

Facts

ConstellationCygnus
Designationα Cygni (Alpha Cygni), HR 7924
Apparent magnitude1.25 (20th brightest)
Spectral typeA2Ia
Colorwhite (B−V 0.09)
Distanceabout 1,640 light-years
Right ascension20 h 41.4 min
Declination+45.28°
Best monthSeptember (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Deneb

Deneb is in Cygnus. From 40° N it is highest in the north in September evenings, about 85° above the horizon. From 35° S it reaches about 10° in the north. Nearby bright stars: Sadr (6° away), Aljanah (11° away) and Alderamin (18° away).

Cygnus constellation →

Other named stars in Cygnus

SadrAljanahFawarisAlbireoAzelfafage

Report a mistake on this page