Group Challenge - Rosette Nebula and Cluster  
The Rosette Nebula

The Rosette Nebula (Rich Richins)

Acquisition Date : December 30, 2008 to January 1, 2009
Camera : Canon 350D (modified)
Camera Settings : ISO 800 (1 and 2 minute subs)
Telescope : Celestron C11
Mount : Fork mount atop APT wedge
Adapter / Prime / Afocal / Other : Hyperstar 3, Baader Ha and OIII narrowband filter
Processing Package / Processing Applied : Raws to tif with PS3. Subs stacked using Nebulosity. Additional processing with PS CS3.
Web Site : Click to view a higher resolution image
NOTES : Image acquired at Hilltop Lakes, TX during a visit to the in-laws. Combination of color (1 minute subs), Ha and OIII (2 minute subs). Did a little preprocessing of the color shots prior to stacking to reduce bloated stars.

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