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

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Deskribapena
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]
Data
Jatorria Reconstructed from several online sources by Joe Haythornthwaite
Egilea EzezagunaUnknown author
Lizentzia
(Fitxategi hau berrerabiltzen)		 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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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.

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Percival Lowell observing Venus through the Alvan Clark & Sons refracting telescope.

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Data/OrduaIruditxoaNeurriakErabiltzaileaIruzkina
oraingoa23:17, 23 apirila 201723:17, 23 apirila 2017 bertsioaren iruditxoa800 × 1.000 (650 KB)NagualdesignReverted to version as of 00:02, 23 November 2014 (UTC). Please upload derivative files separately.
18:54, 26 martxoa 201718:54, 26 martxoa 2017 bertsioaren iruditxoa800 × 1.000 (709 KB)Balabinrmps auto
02:02, 23 azaroa 201402:02, 23 azaroa 2014 bertsioaren iruditxoa800 × 1.000 (650 KB)NagualdesignFurther adjustments.
06:30, 22 martxoa 201306:30, 22 martxoa 2013 bertsioaren iruditxoa800 × 1.000 (646 KB)NagualdesignSubtler facial adjustment. Recombined previous uploads.
05:31, 21 martxoa 201305:31, 21 martxoa 2013 bertsioaren iruditxoa800 × 1.000 (646 KB)NagualdesignAlterations to subject's head.
05:49, 14 martxoa 201305:49, 14 martxoa 2013 bertsioaren iruditxoa800 × 1.000 (641 KB)NagualdesignBetter version. Cleaned and recoloured.
23:42, 26 urtarrila 200523:42, 26 urtarrila 2005 bertsioaren iruditxoa400 × 501 (38 KB)RanveigPD because of age. {{PD}} en:Image:Percival Lowell.observing Mars from the Lowell Observatory.jpg

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