M100 and friends

M100 lies in the southern part of constellation Coma  Berenices. It”s one of the brightest galaxies in the Virgo cluster,and approximately 55 million light-years distant from Earth.  It has a diameter of 160,000 light years. Five supernova have been discovered in M100 since 1901.

 M100 Crop full rez


M100 15min L Subframes x 55 = 825 min combined image

M100 15in Red  Subframes x 24 = 360 min combined image

M100 15min Green Subframes x 24 = 360 min combined image

M100 15min Blue Subframes x 24 = 360 min combined image


M100 20min  Ha Subframes x 23 = 460 min combined image

Scope              Planewave 17in

Camera           Apogee U16

Mount               Paramount ME

Filters               Astrodon  LRGB   Ha5nm  

Exposures       RGB   6 Hrs each     L 14 Hrs    Ha7.5 hrs    Ha 20min subs   LRGB 15min subs   Total 40hrs

Location           Sierra Nevada Mountains CA.  Heavens Mirror Observatory  SRO  2012 2013



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