sun

subject: sun
date : 2005-07-17
optics: skywatcher-newton-254@fd14
imager: toucam
notes :

Facule la surface du Soleil (la forme claire et arrondie en haut gauche). Aucune tache solaire ce jour-l...
Image monochrome colorisée. Compositage de 100 images et ondelettes avec Registax. Sky-Watcher 254mm au foyer F/D=4,7. Filtres astrosolar, anti-IR/UV et vert 500nm.

"Facule" at the Sun's surface (the light and rounded pattern at the upper left). Absolutely no sunspot this day... Colorized monochrome image. 100-image composite then wavelets with Registax. Sky-Watcher 254mm at prime focus F/D=4.7. Astrosolar, IR/UV cut and green 500nm filters.

N.Dupont-Bloch, 17-jul-2005


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