Canon 350D Hap Griffin Baader Mod
22x180sec at iso 1600
30 Darks/Flats/Bias
Celestron 9.25 reduced 0.63

Sky and Telescope Online Gallery April 8, 2008

Astronomy Magazine Picture of the Day April 23, 2008

Messier 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