ctrl-shift-click to reset spiral control point
ctrl-shift-click to reset spiral control point

Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV,Helioviewer-Project/JHelioviewer-SWHV