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)

Friday, March 15, 2013

130315 -- Very good solar activity at Nancay

There was a M1.1 flare with Coronal Mass Ejection, followed by very nice type IV, right circular polarization, lasting more than 5 hours at Nancay, and many type III bursts.
The Sun has doubled the number of sunspot groups in 3 days !
See images and movie at:

Many thanks to the Nancay Decametric Array Team at the Nancay Radio Astronomy Station of Paris Observatory.