Dardenne Prairie, Missouri
Imaged from Dardenne Prairie, Missouri (a red zone) on October 7th, 2016 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.
LRGB – https://www.flickr.com/photos/dcrowson/30353067462/sizes/l
Sharpless 135 (LBN 492 and 493) is an emission nebula located approximately 6,200 light-years away in Cepheus. This is the nebula just south and east (left) of center.
LBN 491 and 489 are the two nebulae south and west (right) of center.
Luminance â€“ 12x600s â€“ 120 minutes â€“ binned 1×1
RGB â€“ 8x300s â€“ 40 minutes each â€“ binned 2×2
240 minutes total exposure â€“ 4 hours