Thursday, July 13, 2017

SUNSPOT Taken by Eduard Garcia Ribera on July 12, 2017 @ Ager, Catalonia, Spain



THREE WAYS TO SEE A SUNSPOT.
In the collage image (in false colour) we can see the active region AR2665, dissected in 3 filters, visible light, calcium and Hydrogen Alpha.


Details: Takahashi FS152 at F/16. Cámera Skyris 445 mono. Filters: Baader SolarSpectrum 0.5A, Lunt CaK module and Baader HerschelWedge. Processed with Registax6 and Photoshop.


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