[ptc (Richard)]

taken during August and September from the ranch in the Sierra foothills

total of 150 x 5 minutes: 30 60 60 (r g b)

used Stinger 450mm f/12.6 classical cassegrain at 3366mm (f/7.3). ML4022 camera: 0.42"/pixel image scale

http://www.narrowbandimaging.com/ste...2_rgb_page.htm

wind was a problem: sorted through lots of images to find a few that were decent to make the image