M21 (
Luminance – 12x600s – 120 minutes – binned 1x1
240 minutes total exposure – 4 hours
Imaged on September 6th and 8th, 2021 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90EDT at
LRGB - https://www.flickr.com/photos/dcrowson/ ... 1/sizes/l/
I have a closer image of M20 taken at Danville here - https://www.flickr.com/photos/dcrowson/7627067670.
This is image will be panel three of four for a mosaic of the area.
Dan