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

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Tuairisc
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]
Dáta
Foinse Reconstructed from several online sources by Joe Haythornthwaite
Údar AnaithnidUnknown author
Ceadúnas
(Athúsáid a bhaint as an gcomhad seo)		 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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Percival Lowell observing Venus through the Alvan Clark & Sons refracting telescope.

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Dáta/AmMionsamhailToisíÚsáideoirNóta tráchta
faoi láthair21:17, 23 Aibreán 2017Mionsamhail do leagan ó 21:17, 23 Aibreán 2017800 × 1,000 (650 KB)NagualdesignReverted to version as of 00:02, 23 November 2014 (UTC). Please upload derivative files separately.
16:54, 26 Márta 2017Mionsamhail do leagan ó 16:54, 26 Márta 2017800 × 1,000 (709 KB)Balabinrmps auto
00:02, 23 Samhain 2014Mionsamhail do leagan ó 00:02, 23 Samhain 2014800 × 1,000 (650 KB)NagualdesignFurther adjustments.
04:30, 22 Márta 2013Mionsamhail do leagan ó 04:30, 22 Márta 2013800 × 1,000 (646 KB)NagualdesignSubtler facial adjustment. Recombined previous uploads.
03:31, 21 Márta 2013Mionsamhail do leagan ó 03:31, 21 Márta 2013800 × 1,000 (646 KB)NagualdesignAlterations to subject's head.
03:49, 14 Márta 2013Mionsamhail do leagan ó 03:49, 14 Márta 2013800 × 1,000 (641 KB)NagualdesignBetter version. Cleaned and recoloured.
21:42, 26 Eanáir 2005Mionsamhail do leagan ó 21:42, 26 Eanáir 2005400 × 501 (38 KB)RanveigPD because of age. {{PD}} en:Image:Percival Lowell.observing Mars from the Lowell Observatory.jpg

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