Group Challenge: M42 - The Great Nebula in Orion  
M42 core 77x30" UHCS

M42 core 77x30" UHCS(Riccardo A. Ballerini)

Camera : Canon modded 400D
Camera Settings : 100 iso
Telescope : 16" RC
Mount : AP 1200
Processing Package / Processing Applied : Nebulosity - CS4
Web Site : http://www.riccardoballerini.com

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