M100
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
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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