Horsehead Nebula
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Click image for a higher resolution 

Click Horse's Head for a high resolution image taken with the RCX400

Equipment Used

Telescope Takahashi FS-60C piggybacked on a RCX400 10 inch Ritchey Chretien
CCD Camera SBIG ST-2000XM
Focal Ratio f/4.5
Guiding N/A

Image Durations

The above image is an LRRGB composite.  The Luminance used is a blend of 30 mins through a clear filter and 60 minutes through a red filter (5 min sub exposures).  The red filter enhances the details of the horsehead nebula. The blend was done in Photoshop using the Lighten blend mode.  The RGB images were 15 mins each (5 min sub exposures).