Figure 2 (IMAGE) University of Freiburg Caption A sunspot observed in high resolution by the GREGOR telescope at the wavelength 430 nm. Credit KIS Usage Restrictions The image may only be used with appropriate caption or credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.