Constellations
Cygnus (Cyg)
The Swan
Also known as swan.
6 looks for Cygnus
The constellation in a clear night sky over the hills: its lines draw themselves one on every beat, its real stars twinkle with the part of the song their colour answers, the Milky Way glows and a shooting star crosses on the big moments.
About Cygnus
- What it is
- One of the IAU's constellations: The Swan
- IAU abbreviation
- Cyg
- Its stars are named
- Cygni (as in "Alpha Cygni")
- Family
- Hercules family
- Where
- The northern sky: seen best from north of the equator
- Highest in the sky
- At about 9 pm in September
- Centre
- Right ascension 20h 09m, declination +40° 44′
- The figure
- 9 stars joined by 8 lines
- Brightest star
- Deneb, magnitude 1.25
Star patterns in it: Summer Triangle, Northern Cross.
Its stars
Brightest first. A smaller magnitude is a brighter star; the visualizer sizes and colours each one by these.
- Deneb (α Cyg)mag 1.25
- Sadr (γ Cyg)mag 2.20
- Aljanah (ε Cyg)mag 2.46
- Fawaris (δ Cyg)mag 2.87
- Albireo (β1 Cyg)mag 2.92
- ζ Cygmag 3.20
- κ Cygmag 3.77
- ι Cygmag 3.79
- η Cygmag 3.89
Every star's place, brightness and colour is the Yale Bright Star Catalogue's; the figure is the IAU's, through d3-celestial (credited on the licences page). Constellations template · Every constellation