Sharpless 225 (LBN 778) is an emission nebula located approximately 12,000 light-years away in Auriga.
Ha – 18x1800s – 540 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
660 minutes total exposure – 11 hours
Imaged from Dardenne Prairie, Missouri (a red zone) over five nights in 2015 and 2017 with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.
HaRGB - https://www.flickr.com/photos/dcrowson/44544126255/sizes/l