File:Pluto discovery plates.png

The use of this file in the article(s) Pluto and Planets beyond Neptune was reviewed by User:Oiyarbepsy on 11 February 2016 and deemed likely to meet Wikipedia's policy on non-freely licensed content, because it is thought to meet all criteria as described in Wikipedia:Non-free content criteria. This file's use on other pages or in different contexts may require additional review at Wikipedia:Files for discussion. Please see this discussion for further discussion

Summary

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

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)

Fair use in Planets beyond Neptune

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

This image is a faithful digitisation of a unique historic image, and the copyright for it is most likely held by the person who created the image or the agency employing the person. It is believed that the use of this image may qualify as non-free use under the Copyright law of the United States. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information. Please remember that the non-free content criteria require that non-free images on Wikipedia must not "[be] used in a manner that is likely to replace the original market role of the original copyrighted media." Use of historic images from press agencies must only be of a transformative nature, when the image itself is the subject of commentary rather than the event it depicts (which is the original market role, and is not allowed per policy). Fair use //en.wikipedia.org/wiki/File:Pluto_discovery_plates.png true

If this tag does not accurately describe this image, please replace it with an appropriate one. Fair use true