IC4592 and IC4601 - Reflection Nebulae in Scorpius

IC4592 is the large nebula at the center of the frame. IC4601 is the smaller nebula at the lower left. These are faint reflection nebulae in the northern claw of Scorpius. This region also contains much dark nebulae.  
Optics: Nikon 300mm f/2.8 ED lens
Camera: Canon XS (Hutech modified); Raw capture; ISO 800
Mount: Orion Sirius EQ
Guiding: SSAG on 200mm Takumar lens

22 five min. exposures @ f/2.8


Camera was focused using Live View. Raw images were converted using Canon's Zoom Browser EX. Converted images were calibrated, aligned and combined with ImagesPlus. The final image was adjusted in Photoshop. Topaz DeNoise was applied to reduce noise.


This was taken on 8/8/10 at the Nebraska Star Party. Seeing was good. Humidity was very high for this area (fog appeared after 2:00 AM). Temperature: 70F

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