Betelgeuse

Spectrum Analysis:
http://nauka.rk.edu.pl/site_media/resources/nauka.rk.edu.pl/images/spec-intro7.png

Right ascension: 05h 55m 10.3053s
Declination: +07° 24′ 25.426″

Chemical composition: carbon, nitrogen, oxygen

Stellar classification: M2Iab

http://nightsky.jpl.nasa.gov/images/news/OrionBetelLoc.jpg


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