20mm f/1.8 Sigma lens

Rainbow over the Rhodope Mountain

Rainbow over the Rhodope Mountain

More than two weeks is being rainy over the Observatory and it is impossible to observe the Sun and solar prominences. Nevertheless, the nature shows us beautiful atmospheric sceneries every day. A rainbow over the Rhodope Mountain and the tower of the biggest telescope in the Observatory Rozhen are photo engraved on 31 May 2011.

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