Sunspot developing over several days

Object ID Sunspot AR2738
Details 2019-04-13, 2019-04-18, 2019-04-20
Telescope 203mm RC8@f8, Baader solar film filter
Camera ZWO ASI290MC
Exposure(s) 120s AVIs, 20% frames
Capture Firecapture
Processing AutoStakkert, Photoshop