Deneb

Constellation: 
Cygnus

https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Cygnus_constellation_map.png/250px-Cygnus_constellation_map.png

Star: 
Deneb

Chemical Composition: 
Nitrogen (moderate excess)
Oxygen (slightly deficient)
Carbon (slightly deficient)
metal abundances of Strontium, Yttrium and Zirconium

Location: 
Right Ascension: 20^h 41^m 25.9^s
Declination: +45° 16′ 49″

Spectral Analysis of most abundant Chemical(s):
Nitrogen

Oxygen 

Carbon

Stellar Classification: 
A2 (blue white supergiant)


http://adsabs.harvard.edu/abs/2000A%26A...364..237A
https://en.wikipedia.org/wiki/Deneb
http://www.glyphweb.com/esky/stars/deneb.html

http://www.umop.net/spctelem.htm