Rosette Nebula, NGC 2239

Rosette nebula, narrowband image with Sulfur as red, Hydrogen as green, Oxygen as Blue, Ha=18x20min, binned 2:2, Sii,Oiii=12x20min binned 4:4, total of 42 images taken over 14 hours with Planewave CDK20 telescope and FLI PL16803 camera