Pretty tricky one this

Object IDC3 NGC 4236
Draco
DetailsMag. 10.5
Size 121′.9 × 7′.2
Telescope250mm f4.8 Newtonian
MPCC
CameraQHY168C @-15°C
IDAS P2
Exposure(s)20x180s
10/50 gain/offset
darks, flats, bias
CaptureNINA
ProcessingAPP, Photoshop, Topaz DeNoise AI