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File:Percival Lowell observing Venus from the Lowell Observatory in 1914.jpg

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Description
English: Percival Lowell observing Venus in the daytime from the observer's chair of the 24-inch (61 cm) Alvan Clark & Sons refracting telescope, installed in the summer of 1896 at the Lowell Observatory, which he established in Flagstaff, Arizona (USA). Although known for observing Mars, this image has a long running attribution of "Percival Lowell observing the planet Venus in the daytime", something he did from 1896 onward, observing the planet high in the daytime sky with the telescope's lens stopped down to 3 inches in diameter. This image of an older Lowell was taken in 1914.
Also given a date of October 17, 1914.
Date 1914
Source Reconstructed from several online sources by Joe Haythornthwaite
Author Unknown
Permission
( Reusing this file)

PD because of age

References

  1. ↑ Sources for the image attribution being Our Wonderful Universe: An easy introduction to the study of the heavens by Clarence Augustus Chant, published by G.G. Harrap & Company Ltd. in 1928 (see page 92), and A Passion for the Planets: Envisioning Other Worlds, from the Pleistocene to the Age of the Telescope by William Sheehan, published by Springer in 2010 (see page 35).
  2. ↑ Per User:nagualdesign, date "1914" confirmed by Lowell Observatory Archives, holder of the original glass plate.
  3. ↑ Popular Astronomy , Volume 29; Volume 1921, Goodsell Observatory of Carleton College, 1921, Percival Lowell, "An Afterglow" book review, page 597


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