NGC6820 Nebula
NGC6820 is a reflection nebula located 6000 light-years away and stretching 50 light-years across. It is surrounded by Sharpless 2-86, a faint emission nebula, which is also used as an alternative name. The open cluster at the center is NGC6823. North is at the top.

Scope/Mount: Orion ED80 Doublet Refractor with AstroTech AT2FF Field Flattener, Celestron CI-700 Mount
Camera: ZWO ASI1600MMC monochrome with ZWO LRGB filters
Guiding: QHY5L-IIM through Orion Thin OAG, PHD guiding software
Exposure: L:(60) 60 secs @ gain=139, RGB: each channel (15) 60 sec @ gain=139
Software: Nebulosity, PhotoShop CS2
Comment: 08-11-2018, Tierra del Sol, CA, below average transparency, dew; faint nebulosity merits much more total exposure time.