Ficheiro:Nasasedna.jpg

Summary

Description Sedna was discovered from an image dated 2003-11-14 at coordinates 03 15 10.09 +05 38 16.5. The "bright star" near Sedna is apmag 14.9 and about the same magnitude as Pluto. (Wikisky image of this region) The picture shows an area of the sky equal to the area covered by a pinhead held at arm's length. Sedna is too faint to be seen by all but the most powerful amateur telescopes using ccd imaging. Date 18 April 2005 (original upload date) Source http://photojournal.jpl.nasa.gov/catalog/PIA05568 (Samuel Oschin Telescope 2003-11-14) Author This is the discovery image of Sedna taken with the Palomar Observatory's 48-inch Schmidt Telescope (now called the Samuel Oschin Telescope). JPL public web sites (public sites ending with a jpl.nasa.gov address) Other versions

The BBC has an image cropped from licensed image below. The original uploader claimed this as the source; Larger version uploaded by Evercat 15:39, 26 Nov 2004 (UTC)

PNG version which is both smaller in filesize and lossless is at Sedna-photo.png, however, this JPG should be the one used for thumbnails in articles, as it produces a much smaller (in bytes) thumbnail.

Copyright status:

	This file is in the public domain because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See NASA copyright policy page or JPL Image Use Policy.)
	Warnings: •Use of NASA logos, insignia and emblems are restricted per US law 14 CFR 1221. •The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. •Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.1 •The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. 2 •Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. 3

Source:

http://commons.wikimedia.org/wiki/File:Nasasedna.jpg