Image:NGC6543.jpg

From Wikipedia, the free encyclopedia

Image
File history
File links

Size of this preview: 549 × 600 pixels
Full resolution‎ (800 × 874 pixels, file size: 64 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. The description on its description page there is shown below. Commons is a freely licensed media file repository. You can help.

This file is in the public domain because it was created by NASA and the European Space Agency. Hubble material is copyright-free. Material published by NASA may be freely used as in the public domain without restriction, although NASA requests credit and notification of further use. ESA requires that they be credited as the source of any of their material that is used. The material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre. [1] or [2].

[edit] External Links

X-ray/optical composite image of NGC 6543, the Cat's Eye Nebula (X-ray: NASA/UIUC/Y.Chu et al., Optical: NASA/HST).

Optical image: Wide Field Planetary Camera-2, composite image of three images taken at different wavelengths:

red, hydrogen-alpha;
blue, neutral oxygen, 6300 angstroms;
green, ionized nitrogen, 6584 angstroms.

Source: [1]

[edit] Licensing

This file is in the public domain because it was created by NASA and the European Space Agency. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre. [2] or [3].