02/08/2019 11:27 am
S. Schmalz / ISON
Observations of near-Earth asteroid 2019 OK, just before its close approach on 25 July 2019.
ESA requested the observations from the International Scientific Optical Network (ISON) who then aimed two of their telescopes at the 100 m-wide rocky body – which appears as a dark blob at the centre of the image.
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