NGC 6853 (M027) 480" X 340"

2014:09:15:00:58:02

This image is a combination of 4 layers. Layer 1 17 images each with an exposure of 60 seconds. Layer 2 3 images each with an exposure of 60 seconds through a Hydrogen Alpha filter. Layer 3 3 images each with an exposure of 60 seconds through a Sulfur II filter. Layer 4 5 images each with an exposure of 60 seconds through a Oxygen III 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.


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Last updated: May 12, 2015