Percival_Lowell_observing_Venus_from_the_Lowell_Observatory_in_1914.jpg
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Description Percival Lowell observing Venus from the Lowell Observatory in 1914.jpg |
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"
,
[1]
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.
[2]
Also given a date of
October 17, 1914
.
[3]
|
Date | |
Source | Reconstructed from several online sources by Joe Haythornthwaite |
Author | Unknown author Unknown author |
Permission
( Reusing this file ) |
PD because of age |
References
- ↑ 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) .
- ↑ Per User:nagualdesign , date "1914" confirmed by Lowell Observatory Archives , holder of the original glass plate.
- ↑ Popular Astronomy , Volume 29; Volume 1921, Goodsell Observatory of Carleton College, 1921, Percival Lowell, "An Afterglow" book review, page 597
Public domain Public domain false false |
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer . This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office ) before January 1, 1929. |
|
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/ PDM Creative Commons Public Domain Mark 1.0 false false