M98, M99 & M100

Posted by CraigAndTammy
on Saturday, April 11, 2009

by Craig and Tammy Temple


These galaxies, in the constellation Coma Berenices, are part of the large Virgo Cluster. M98 is an edge-on spiral at the top, just left of center. M99, roughly in the center of the image, is a face-on spiral. To the bottom left, another face-on spiral, M100, is a large, bright galaxy. The edge-on barred spiral galaxy at the upper right is NGC4216. This un-cropped wide-field image was taken on April 1, 2009. The temperature was 58° F.

  • William Optics Zenithstar 66 with 0.8x FR/FF vII (f/4.7) on Atlas EQ-G w/EQMOD
  • Guided with Orion SSAG on an ED80 using PHD
  • Canon 350D (self-modified) with Astronomik IR-block EOS clip filter + 2" Hutech IDAS LPS filter in Borg filter cell
  • Best 81 of 90 x 90s @ ISO 1600
  • Dark/Sky flat/Bias calibration
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