File:ESO-Messier 12-Phot-04a-06.jpg
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Size of this preview: 600 × 599 pixels. Other resolutions: 240 × 240 pixels | 481 × 480 pixels | 769 × 768 pixels | 1,025 × 1,024 pixels | 1,600 × 1,598 pixels.
Original file (1,600 × 1,598 pixels, file size: 386 KB, MIME type: image/jpeg)
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This is a file from the Wikimedia Commons |
Summary
| Description |
English: Centre of the globular cluster Messier 12 as observed with the FORS-1 multi-mode instrument on ESO's Very Large Telescope (Cerro Paranal, Chile). The picture covers a region of about 3.5 arcmin on a side, corresponding to about 23 light years at the distance of Messier 12. It is based on data in five different filters: U, B, V, R and H-alpha. Here only the short exposures were used while for their scientific analysis, the authors used much longer exposures. Guido De Marchi (ESA) reduced the data and Kristina Boneva and Haennes Heyer (ESO) did the final image processing. The observations were obtained with very good conditions, the image quality ('seeing') being around 0.6 arcsec. |
| Date | |
| Source | http://www.eso.org/gallery/v/ESOPIA/StarClusters/phot-04a-06.tif.html |
| Author | ESO |
| Permission (Reusing this file) |
http://www.eso.org/public/outreach/press-rel/copyright.html |
More ESO images at http://www.eso.org/gallery/v/ESOPIA
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:02, 29 July 2009 | | 1,600 × 1,598 (386 KB) | Lars Lindberg Christensen | {{Information |Description={{en|1=Centre of the globular cluster Messier 12 as observed with the FORS-1 multi-mode instrument on ESO's Very Large Telescope (Cerro Paranal, Chile). The picture covers a region of about 3.5 arcmin on a side, corresponding to |
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