RT @EpicCosmos: Behemoth sunspot AR2529 in AIA 1700/304 to Earth-scale. Via @Helioviewer. helioviewer.org https://t.co/DkGbvaJAlY
RT @EpicCosmos: Behemoth sunspot AR2529 in AIA 1700/304 to Earth-scale. Via @Helioviewer. helioviewer.org https://t.co/DkGbvaJAlY