Deneb

Deneb

Deneb  is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle. It is the 19th brightest star in the night sky, with an apparent magnitude of 1.25

. (source)

Stellar Classification:

A2 Ia

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

Chemical composition:

Hydrogen

Spectrum analysis:

(sources 1  2  3)
(source for spectrum analysis)