NGC 3031 (M081) 21' X 10'

2016:01:06:00:02:34

This image is a combination of 4 layers. Layer 1 20- images each with an exposure of 300 seconds through a RED filter. Layer 2 21- images each with an exposure of 300 seconds through a GREEN filter. Layer 3 19- images each with an exposure of 300 seconds through a BLUE filter. This used 2x2 binning. Lyer 4 - 62 images each with an exposure of 300 seconds through a Luminace filter. This used 1x1 binning. The images were taken with a SBIG STT-8300 3 CCD attached to a Centurion 18" F/2.8




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Last updated: March 12, 2018