Continent: Europe

Country: Slovakia

City: Martin

Latitude: 49° N

Longitude: 18 E

Year: 2011

Assistant: Vlado Hauser

Address: Martin, Slovak

Exposure time: 20.6.-21.12.2011

Additional info: Vlado Hauser sent me his 6-month long solargraph with the information as follows: It is a panorama made from 6 pictures. Parameters of the pinhole: focal length: 36mm; hole diameter: 0,15 mm; photosensitive material: black-white photography paper, N 311, glossy, 105x105 mm.  Place: Mala hora 3