Peter Salvisberg

The Moon on the 19th of June 2021

The Moon on the 19th of June 2021

The Moon on the 19th of June 2021

Copernicus and Clavius in Side Light

(by old refractor)

The Moon on the 19th of June 2021

Copernicus and Clavius in Side Light

(by old refractor)

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