NGC 6720 (M057) 85.6" X 61.6"


This image is a combination of 4 images each with an exposure of 300 seconds through a Red filter. The images were taken with a SBIG STT-8300 3 CCD Camera attached to a Meade LX200R 12” F/10 and was corrected with both a dark frame and a flat field.

The system used a self guider.

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Last updated: January 2, 2016