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File:Pluto discovery plates.png

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Pluto_discovery_plates.png (401 × 248 pixels, file size: 105 KB, MIME type: image/png)

Summary

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Original plates from Clyde Tombaugh's discovery of Pluto. (Apparent magnitude +15.1)

Credit: Lowell Observatory Archives, from [1].

Also visible in this image:

  • Wikisky image of this star field centered on coordinates 07 23 06.55 +21 49 38.5
  • HD 57673 (brightest star in this FOV at apparent magnitude 8.7 located above Pluto in Jan 23 photo)
  • Galaxy NGC 2365

Fair use on Pluto

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This image qualifies for fair use in the articles Pluto because:

1) It is an image of unquestionable historic value
2) Illustrating the discovery of the subject in question
3) There is no freely available alternative to this unique image (Pluto cannot be discovered again)
1) It is an image of unquestionable historic value
2) Illustrating the discovery of the subject in question
3) There is no freely available alternative to this unique image (Pluto cannot be discovered again)
4) Planets beyond Neptune is the main article concerning the Planets beyond Neptune

Licensing

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File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current06:00, 25 August 2015Thumbnail for version as of 06:00, 25 August 2015401 × 248 (105 KB)Theo's Little Bot (talk | contribs)Reduce size of non-free image (BOT - disable)
12:55, 5 January 2013No thumbnail1,779 × 1,101 (889 KB)Soerfm (talk | contribs)Color, brightess
18:02, 16 September 2006No thumbnail1,779 × 1,101 (675 KB)Lexicon (talk | contribs){{HistoricPhoto}} Original plates from Clyde Tombaugh's discovery of Pluto. Credit: Lowell Observatory Archives, from [http://www.planetary.org/explore/topics/pluto/plutodiscovery4.html].

The following 2 pages use this file:

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