File talk:M101 hires STScI-PRC2006-10a.jpg

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copyvio - Keep[edit]

(copied from Commons:Deletion_requests/File:The_remnant_of_the_supernova_SN_1006_seen_at_many_different_wavelengths.tiff )

Keep, because the copyright notice of ESO (http://www.eso.org/public/outreach/copyright/), who publicated the image, says in detail: 

Q: Do I need to contact all the people named in the credit line for permission to use an image or video?
A: No. Images and videos published on eso.org are, unless explicitly stated otherwise, 
   cleared for reuse without needing to contact the individuals or organisations listed. 
   Their names must not be removed from the credit, however.
In conclusion, permission is provided by ESO.
BR, --Fabian RRRR (talk) 10:05, 12 October 2014 (UTC)[reply]
ESO cannot release copyright on material they do not have copyright on. In this specific instance, there are four elements to consider.
  • "Radio: NRAO/AUI/NSF/GBT/VLA/Dyer, Maddalena & Cornwell, X-ray: Chandra X-ray Observatory; NASA/CXC/Rutgers/G. Cassam-Chenaï, J. Hughes et al., Visible light: 0.9-metre Curtis Schmidt optical telescope; NOAO/AURA/NSF/CTIO/Middlebury College/F. Winkler and Digitized Sky Survey."
  • Radio material is by the National Radio Astronomy Observatory, operating the Green Belt Telescope. Their work is copyrighted.
  • X-ray material is by NASA's Chandra X-ray Observatory. This is public domain.
  • Visible light material is by National Optical Astronomy Observatory, operating the Curtis Schmidt telescope. Their work is copyrighted.
  • Additional visible light material is by the European Southern Observatory's Very Large Array, as mentioned outside the credit line. This work is CC-by-3.0.
By crediting outside organisations in that credit line, ESO is explicitly "stating otherwise" with regard to the license. ESO cannot unilaterally declare another agency or organisation's works as freely licensed any more than a Roskosmos image is released simply by appearing on a NASA website. Our situation here is the same as if you mixed elements of a NASA image (public domain) and an ESA image (copyrighted). The result would be copyrighted and thus unacceptable for Commons. The least-free element in a work is what you have to base the resulting license on. — Huntster (t @ c) 16:16, 12 October 2014 (UTC)[reply]
Of course ESO cannot release copyright other people hold. I was thinking along a different line: NRAO/NOAO can perfectly not allow to use their images commercially without permission. But they can grant the permission to publish a derivative work based on thier image under Creative Commons Attribution 3.0 Unported license.
The afore mentioned Q&A does not make sense if a credit to another institution inherently means, that reuse is not cleared.
Best regards, --Fabian RRRR (talk) 20:24, 12 October 2014 (UTC)[reply]
PS.: What about File:Supernova Remnant SN 1006.jpg?
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