M101 (Pinwheel Galaxy) is a huge spiral galaxy in the constellation Ursa Major.  It stretches
170,000 LY in diameter, making it twice the size of our Milky Way Galaxy.  M101
contains about 33 billion suns and lies at a distance of 25 Million LY from Earth.



March 1, 2011
8" Astro-Tech RC, f/8
Canon Digital Rebel 500D / Modified (Hutech)
160 Minutes / 16x600s @ 800ASA
Orion StarShoot AutoGuider
Skyhawk Observatory, West Bend, WI
Rick Kazmierski



Messier 101

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