File:S2003u3acircle.gif

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Summary

DescriptionS2003u3acircle.gif	English: These images show the discovery of the new Uranus satellite S/2003 U3 each about 7 minutes in exposure time taken about 30 minutes apart on UT August 29, 2003 with the Subaru 8.3 meter telescope atop Mauna Kea, Hawaii. The motion of the satellite clearly stands out compared to the steady state background of stars and galaxies. Uranus is not in the field, but is about a quarter of a degree to the North of these images. In the lower right corner is a main belt asteroid which trailed during the exposure because of its faster motion than the satellite. Images on the right are the same as those on the left except that they have a yellow circle showing the location and movement of the new satellite.
Date	29 August 2003
Source	https://web.archive.org/web/20050922231736/http://www.ifa.hawaii.edu/~sheppard/satellites/ura2003movie.html Image also published in NASA's Solar System Exploration website: https://solarsystem.nasa.gov/moons/uranus-moons/margaret/in-depth/
Author	Scott S. Sheppard and David C. Jewitt (National Astronomical Observatory of Japan (NAOJ) & University of Hawaii Institute for Astronomy (IfA))
Permission (Reusing this file)	"We want as many people as possible to use NAOJ’s copyrighted material ... You may use copyrighted works from the NAOJ website without any prior permission provided that you use them within the scope of free use granted under Japanese copyright law: for the purposes of private use, educational use, news reporting, etc. We only ask you to give appropriate credit whenever you use these works." https://www.nao.ac.jp/en/terms/copyright.html

Licensing

This file is in the public domain because The Subaru Telescope releases NAOJ-owned images as PD: "You may use copyrighted works from the NAOJ website without any prior permission provided that you use them within the scope of free use granted under Japanese copyright law"[1]

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File history

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	Date/Time	Dimensions	User	Comment
current	16:49, 29 November 2023	379 × 292 (97 KB)	Nrco0e	Misleading. Reverted to version as of 23:15, 25 October 2023 (UTC)
	19:17, 1 November 2023	103 × 103 (979 bytes)	TCFANS	Reverted to version as of 04:32, 23 October 2023 (UTC)
	23:15, 25 October 2023	379 × 292 (97 KB)	HerodotusTheGreat	Restored unedited version for location and identifiable purposes.
	04:32, 23 October 2023	103 × 103 (979 bytes)	TCfanssos	Grainless
	05:28, 15 July 2020	379 × 292 (97 KB)	Nrco0e	Uploaded a work by Scott S. Sheppard and David C. Jewitt from https://web.archive.org/web/20050922231736/http://www.ifa.hawaii.edu/~sheppard/satellites/ura2003movie.html <br/>Image also published in NASA's Solar System Exploration website: https://solarsystem.nasa.gov/moons/uranus-moons/margaret/in-depth/ with UploadWizard