The Trifid Nebula (M20) is located in the constellation of Sagittarius, 3000LY from Earth. 
Noted for it's three lobed appearance, it is both a red emission nebula and a blue reflection
nebula.  It emits light due to young hot stars at it center.                               (Messier 17) 

August 6, 2008
WO ZS 105mm f/7 Apo Refractor
Canon Digital Rebel 400D / Modified (Hap Griffin)
115 Minute / 23x300s @ 800ASA
Manually guided on a 14" Meade LX200
Skyhawk Observatory, West Bend, WI
Rick Kazmierski

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