NASA The great spiral nebula Messier 15, Constellation of the Triangle
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Nasa. RARE. Nice size. Photograph taken by George Willis Ritchey at the Mount Wilson Observatory. Historical photograph of astrophotography. Observation made by the Mount Wilson telescope (diameter 1.5m). Here, the large spiral nebula Messier 15 located in the Constellation of the Triangle. Circa 1940.Nasa. RARE. Nice size. Photograph taken by George Willis Ritchey at the Mount Wilson Observatory. Historical astrophotography photograph. Observation made by the Mount Wilson telescope (diameter 1.5m). Here, the large spiral nebula Messier 15 located in the Constellation of the Triangle. Circa 1940. Vintage silver print. Handwritten references in pencil on the back. 18 x 24CM with margins.
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