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M51    © Ken Crawford      Rancho Del Sol Observatory  MPC G67
Image Exposure Details
Filter Exposures
Clear/ Lum 480 minutes
Red 80 minutes
Green 80 minutes
Blue 80 minutes
Ha 5nm 240 minutes
OIII 3nm. 0 minutes
SII 5nm 0 minutes

M51 also known as the Wirlpool Galaxy is around 31 million light years away. This is my 2015 image celebrating over 10 years of imaging the deep sky.
RCOS 20" carbon truss - 100mm FFC
Paramount ME
Apogee Alta u16m
SBIG ST402 Guider
Astrodon MegaMoag
Astrodon 50mm Sq Filters
MaxDL 5
CCDAutopilot 4
Photoshop CC & PIxInsight
Full Size Image
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M51 companion details are enhanced with 4 hours of Ha data blended in.

These images may be used for personal or educational use without contacting me. But, these images and this website are Copyright © Ken Crawford. If you are a publisher and would like a full resolution link to this or other images please contact Ken Crawford.