An Astrologer

{{Short description|1663 painting by Cornelis Bega}}

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File:Cornelis_Bega_-_An_Astrologer.jpg

An Astrologer is a 1663 oil on panel painting by the Dutch artist Cornelis Bega, now in the National Gallery, London, to which it was presented by Martin Henry Colnaghi in 1896.{{cite web|url=http://www.nationalgallery.org.uk/paintings/cornelis-bega-an-astrologer|title=Catalogue entry}}