Vy Canis Major

Vy Canis Majoris is one of the largest known stars in the universe and is part of the Canis Major constellation. 

Location: RA 105° 22' 58" | Dec -25° 46' 3"

Stellar Classification: Red Hypergiant, M star

Chemical Makeup: Oxygen rich star, with a dense, heavy nucleus. 

Spectrum Analysis: 

Sources:

https://www.aavso.org/vsots_vycma

http://www.deepastronomy.com/hypernova-vy-canis-majoris.html

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