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Summary
DescriptionKleopatra moons - eso2113e.jpg
English: This processed image, based on observations taken in July 2017, shows the two moons of the asteroid Kleopatra (the central white object), AlexHelios and CleoSelene, which appear as two small white dots in the top-right and bottom-left corners of the picture. Kleopatra’s moons are difficult to see in the raw images — which were taken with the Spectro-Polarimetric High-contrast Exoplanet REsearch (SPHERE) instrument on ESO’s VLT — owing to glare around the asteroid, inherent to this kind of adaptive-optics observations. To achieve this view, the images ofKleopatra have been processed to remove the glare and reveal the moons.
ESO/Vernazza, Marchis et al./MISTRAL algorithm (ONERA/CNRS)
Licensing
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Image title
This processed image, based on observations taken in July 2017, shows the two moons of the asteroid Kleopatra (the central white object), AlexHelios and CleoSelene, which appear as two small white dots in the top-right and bottom-left corners of the picture. Kleopatra’s moons are difficult to see in the raw images — which were taken with the Spectro-Polarimetric High-contrast Exoplanet REsearch (SPHERE) instrument on ESO’s VLT — owing to glare around the asteroid, inherent to this kind of adaptive-optics observations. To achieve this view, the images ofKleopatra have been processed to remove the glare and reveal the moons.
Date and time of data generation
14:00, 9 September 2021
Software used
Adobe Photoshop 22.5 (Windows)
File change date and time
09:47, 1 September 2021
Date and time of digitizing
15:59, 31 August 2021
Date metadata was last modified
11:47, 1 September 2021
Credit/Provider
ESO/Vernazza, Marchis et al./MISTRAL algorithm (ONERA/CNRS)
Source
European Southern Observatory
Unique ID of original document
xmp.did:bb5f59c0-9c8d-fc40-8099-e31266f83595
Short title
Processed SPHERE image showing the moons of Kleopatra