Messier 99

From Ascension Glossary
Revision as of 20:32, 2 April 2015 by Lisa (talk | contribs)

Messier 99 (also known as M99 or NGC 4254) is an unbarred spiral galaxy approximately 50 million light-years away[3] in the constellation Coma Berenices.


HGS Session References

HGS Sessions - Clearing Boulder, Colorado - 4/2/2015 [1]

References

  1. HGS Session


Found in HGS Manual on Page 108

Found in HGS Manual on Page 115.