NGC2237 Rosette Nebula
The Rosette Nebula is a large H-II region located about 5,000 light-years from Earth. It is 130 light-years across, and sports open cluster NGC 2244 seen in the middle. Also near the center is a star-forming complex that includes 2500 young stars. North is at the top.

Scope/Mount: StellarVue SV70T Refractor with SFFR-70APO Focal-reducer/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 (77) 120 sec @ gain=80, RGB: each channel (10) 120 sec @ gain=139
Software: Nebulosity, PhotoShop CS2
Comment: 12-28-2019, Tierra del Sol, CA, good conditions, cold!