Armed with topographic maps, aerial photographs, weather records, and letters written by van Gogh, the researchers were able to pinpoint the timing of the scene.
[David Gibbs, London and New York, sold 19 October 1961 to]; [Marlborough Fine Art, Ltd., London, sold 12 November 1961 to]; Norton Simon, gift 1976 to; Norton Simon Art Foundation.
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Throughout 2003, as special events commemorate the 150th anniversary of van Gogh's birth, there will also be an astronomical anniversary.
Because of a cosmic synchronicity, the calendar dates of lunar phases in 2003 nearly repeat those of 1889.
“ Fortunately, the timeframe can be narrowed down significantly,” explained Donald Olson.