Hercules A

Hercules A
Radio-Optical View of the Galaxy Hercules A - Many thanks to: NASA, ESA, S. Baum and C. O'Dea (RIT), R. Perley and W. Cotton (NRAO/AUI/NSF), and the Hubble Heritage Team (STScI/AURA)

Wednesday, April 2, 2014

Sun 140402, M6.5 flare in Active Region 12027, 6 selected spectra, Types II III IV V

Many thanks to the Taxpayers of France, the Nancay Decametric Array Team at the Nancay Radio Astronomy Station of Paris Observatory, Trinity College Dublin Astrophysics Group, NOAA SWPC, and NASA SDO HMI Magnetograph Team.

The vertical scale is hours and minutes of Universal Time
The horizontal scale is MHz