Supernova SN 2018aoq in NGC 4151

Supernova SN 2018aoq in an active galaxy NGC 4151 (Canes Venatici)
2018-04-04 18:52 UT (midtime)
Kyiv

Canon EOS 600D / SkyWatcher 15075 OTAW / EQ5 (motors, no guiding)
123x30s; ISO=800

30*30 arcmins; North up.

Photometry:
Tri-color Green (TG): 15.45+-0.1
Tri-color Blue (TB): 15.8+-0.1