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File:ESO-Betelgeuse.jpg

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Summary

Description
English: Image of the supergiant star Betelgeuse obtained with the NACO adaptive optics instrument on ESO’s Very Large Telescope. The use of NACO combined with a so-called “lucky imaging” technique, allowed the astronomers to obtain the sharpest ever image of Betelgeuse, even with Earth’s turbulent, image-distorting atmosphere in the way. The resolution is as fine as 37 milliarcseconds, which is roughly the size of a tennis ball on the International Space Station (ISS), as seen from the ground. The image is based on data obtained in the near-infrared, through different filters. The field of view is about half an arcsecond wide, North is up, East is left
Date
Source http://www.eso.org/public/images/eso0927b/
Author ESO/P. Kervella
Permission
(Reusing this file)		 http://www.eso.org/public/outreach/copyright.html

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29 July 2009

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current14:31, 3 March 2010Thumbnail for version as of 14:31, 3 March 20101,230 × 1,230 (86 KB)Luiscalcada{{Information |Description={{en|1=Image of the supergiant star Betelgeuse obtained with the NACO adaptive optics instrument on ESO’s Very Large Telescope. The use of NACO combined with a so-called “lucky imaging” technique, allowed the astronomers t

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