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Summary
DescriptionCallirrhoe-eso0025a.jpg
English: 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.
Date
Source
https://www.eso.org/public/usa/news/eso0025/
Author
European Southern Observatory (ESO)
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Callirrhoe
copyright status
copyrighted
copyright license
Creative Commons Attribution 4.0 International
inception
4 August 2000
MIME type
image/jpeg
checksum
64f546f5c23b35de2781f6f9ad96682959c769f1
determination method: SHA-1
data size
421,109 byte
height
1,402 pixel
width
1,280 pixel
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21:52, 18 July 2020
1,280 × 1,402 (411 KB)
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Credit/Provider
ESO
Source
European Southern Observatory
Short title
New Jupiter moon S/1999 J1
Image title
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.
Usage terms
Creative Commons Attribution 4.0 International License