Polaris

Constellation:
Ursa Minor

http://en.es-static.us/upl/2010/07/polaris_big_dipper_little_dipper.jpg

Star:
Polaris

Chemical Composition:
Overabundance of Nitrogen (+0.4)
Under-abundance of Carbon (-0.4) and Oxygen (-0.2)

Location:
Right Ascension: 02^h 30^m 41.63^s
Declination: +89° 15′ 38.1″

Spectrum Analysis of most abundant chemical (s)
Nitrogen:

Carbon:

Oxygen:

Stellar Classification:
F7 (bright yellow supergiant)

http://www.umop.net/spctelem.htm
http://www.glyphweb.com/esky/stars/polaris.html
https://en.wikipedia.org/wiki/Polaris
http://adsabs.harvard.edu/abs/1986PASP...98..442L