-----------------------------------------------------------------------

Brightest stars (Atlas of the Universe):
http://www.atlasoftheuniverse.com/stars.html

Star classification:
http://www.atlasoftheuniverse.com/startype.html

-----------------------------------------------------------------------

Section II - Stars:
http://www.uni.edu/morgans/astro/course/Notes/index2.html

Spectral type characteristics:
http://www.uni.edu/morgans/astro/course/Notes/section2/spectraltemps.html

-----------------------------------------------------------------------


-----------------------------------------------------------------------