This image is a combination of 3 layers. Layer 1 6 images each with an exposure of 60 seconds through a RED filter. Layer 2 6 images each with an exposure of 60 seconds through a GREEN filter. Layer 3 6 images each with an exposure of 60 seconds through a BLUE filter. The images were taken with a SBIG STT-8300 3 CCD Camera attached to a Centurion 18” F/2.8 and were corrected with both a dark frame and a flat field.
The imager was self guided.
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