12-dec-2007, PST + Barlow Ultima 2x + ToUCam Pro-II couleurs optimisées, film
noir et blanc colorisé de 555 images. |
Sunspot # 0978 (the dark spot which is 3800K hot, 2000°K less than the solar surface), an active area in yellow, and a solar flare in white, view from top-side. |