Wrong telescope for a comet of this size (8 degree – only 0.5 degree FOV) but came out quite well. Surprising colour combinations – green coma expected, red tail not. Cloned out the trailed RGB stars in PS.

Object IDC/2020 F3 NEOWISE
Details2020-07-18 23:22UT
Telescope250mm f4.8 Newtonian
CameraAtik 460EX @-15C
Exposure(s)5×30 each RGB
ProcessingSiriL, DSS, Photoshop