Sunspot 1620 seen in hydrogen-alpha light,November 26,2012. Photographed with a Lunt Solar LS60 Scope/LS50 Hydrogen Alpha Solar filter; DMK31 firewire camera,5x reducer,1/77 sec exp. for prominences; 1/387 sec for surface details | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chumack, John |
Taille de l’image : | 2700 px × 2004 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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