7550 20250211121615.0 OUTRTLK-2025-0024 Janssens, Jan Mini-workshop on sunspot classification 2024 2024-11-20 STCE The Zurich, McIntosh and MtWilson classification schemes SWIC for SWx forecasters jan.janssens@ksb-orb.be 4197634 http://publi2-as.oma.be/record/7550/files/SWx Workshop on sunspot classification_with solutions.pdf 8617 http://publi2-as.oma.be/record/7550/files/SWx Workshop on sunspot classification_with solutions.jpg?subformat=icon-180 icon-180 9493 http://publi2-as.oma.be/record/7550/files/SWx Workshop on sunspot classification_with solutions.gif?subformat=icon icon OUTRTLK