This is my take on California Nebula or NGC 1499. This is shot using a DSLR and a narrowband filter, about 7 hours of data from bortle 8, and I had to discard probably as many, and I couldn't get more because of the clouds but I'm satisfied with this for now.

Taken from Bortle 8, Suez city, Egypt.

Nikon D3500
Skywatcher SA Mini
Sigma Macro DG F4-5.6
Optolong L-enhance

200mm f4.8, iso 3200
1.5min x 292 lights w flats, biases, dark frames
Siril, Adobe PS, Starnet++V2