This is it, the finnish weather! Last night was cloudy, so I re-processed the image using Ha also as a luminance channel.
IC 1805 Heart nebula. Total exposure of 3 h 20 min (Ha 80 OIII 60 and SII 60 min.) Sky-Watcher 80 ED, Aitk 314L+, William Optics 0,8x reducer/flattener and Heq5 mount.