File:ESO-Betelgeuse.jpg
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| 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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:31, 3 March 2010 | | 1,230 × 1,230 (86 KB) | Luiscalcada (talk | contribs) | {{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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