Canon 350D Hap Griffin Baader Mod22x180sec at iso 1600
30 Darks/Flats/Bias
Celestron 9.25 reduced 0.63Sky and Telescope Online Gallery April 8, 2008Astronomy Magazine Picture of the Day April 23, 2008Messier 100 (M100, NGC 4321) is a beautiful example of a grand-design spiral galaxy, and one of the brightest galaxies in the
Virgo Cluster, or Coma-Virgo of Galaxies. Like a number of other members of this cluster, it is situated in the southern part of constellation Coma Berenices. It lies about 52.5 million light-years from Earth.
Five
supernovae have been identified in M100:
SN 1901B,
SN 1914A,
SN 1959E,
SN 1979C and
SN 2006X. M100 also has a
satellite galaxy named
NGC 4323.
Included in this image are also dim cluster galaxies VC 636, NGC 4322, NGC 4328, MCG 3-32 11, IC 783, IC 783a, and UGC 07425
April 5, 2008