Hydrogen Alpha image sequence of the sunspot group 1302 and the prominence associated with the X1.4 class solar flare which peaked around 11:00 UTC on September 22nd, 2011.
The images have been captured from ESAC, with a Coronado Solarmax 70 Telescope.
Time coverage: 11:07 UTC - 14:40 UTC
Rate: 1 frame/minute
Michel, Leo and Miguel, dismounting the telescope after observation.