This is a sequence of images of the Sun in H-alpha wavelength, on the 09 of May 2012, during the Venus Transit Day activities at ESAC.
It was shot at ESAC near Madrid, with a Coronado SolarmaxII 90 and a Nikon D3100. It features a beautiful solar flare (one frame every 30sec).
Loading more stuff…
Hmm…it looks like things are taking a while to load. Try again?