Photographic archive of solar images

Full disc photospheric and Hα photographs were taken from 1957 until 1991. Calcium II K full disc images were also taken from 1958 to 1980 with a spectroheliograph Töpfer and a refractor (f= 220 cm). The archived images are available for interested scientists. The (negative) originals can be consulted directly at the Specola in Locarno Monti, on appointment. Tel: +41 91 756 23 79 or email at .
 

Image list:


 
 

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