Moderator Challenge: Any Planetary Nebula (EXCEPT M27)  
M57 - The Ring Nebula

M57 - The Ring Nebula(Craig Temple)

Acquisition Date : July 8 & 13, 2009
Camera : Self-modified Canon Digital Rebel XT; Baader MPCC; Astronomik UV/IR EOS Clip; 2” Hutech IDAS LPS
Camera Settings : Best 56/92 x various (90s & 120s) @ ISO 800 (100 Min.)
Telescope : 10” Orion Newtonian at f/4.7
Mount : Orion Atlas EQ-G controlled by EQMOD
Adapter / Prime / Afocal / Other : Prime
Processing Package / Processing Applied : Acquisition: ImagesPlus 3.75 Camera Control; Processing: ImagesPlus 3.75 – Calibrated, registered, Sigma-clipped averaged, DDP; Post-processing: Adobe Photoshop CS4; Gradient XTerminator; Noise Ninja
Web Site : Craig & Tammy's Zenfolio Page
NOTES : Temperature(s): 78ºF, 76ºF

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