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Image: Callirrhoe-eso0025a

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Original image ‎(1,280 × 1,402 pixels, file size: 411 KB, MIME type: image/jpeg)

Description: This photo shows the moving, point-like image of the newly discovered Jupiter moon, S/1999 J 1 , as observed with VLT ANTU and the FORS-1 instrument, low in the sky and just before sunrise on July 28, 2000. It is a composite of three CCD frames, obtained through a R(ed) optical filter. Because of the motion between the exposures, there are three images of the object near each other. Each exposure lasted 1 min. The image quality was 0.7 arcsec, just above the horizon. The field shown in the photo is about 1.5 x 1.5 arcmin 2 ; North is up and East is left.
Title: Callirrhoe-eso0025a
Credit: https://www.eso.org/public/usa/news/eso0025/
Author: European Southern Observatory (ESO)
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes

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