Contains:  Star trails
14-month Solargraph, Ricardo Tortosa

14-month Solargraph

Acquisition type: Lucky imaging
14-month Solargraph, Ricardo Tortosa

14-month Solargraph

Acquisition type: Lucky imaging

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Description

This image shows 14-month solargraph made with a drink can. Solargraphs are long-exposure pinhole photographs that capture the daily path of the sun. Sunny days are solid lines  and cloudy periods are the gaps between them.
I would like to thank my colleagues Enrique Arce and Alvaro Fornas to help me when looking for the best place to place the can. The dome seen in the solargraph corresponds to the Asociacion Vañenciana de Astronomia located in Aras de los Olmos (Spain)

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Histogram

14-month Solargraph, Ricardo Tortosa