Potentially Hazardous Asteroid (99942) Apophis: updates (8 Jan. 2013)
Potentially hazardous asteroid (99942) Apophis
At about 36 hours from the minimum distance (15 millions of km from the Earth) , potentially hazardous asteroid (99942) Apophis was imaged again with the Virtual Telescope, this time using the 17″ robotic unit. The mount tracked Apophis, so the object looks as a perfect point of light, while the stars are trailing on the background. An exposure of 6 minutes was used.
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