L5 Neptune Trojan Asteroid Discovery and Recovery Images

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Discovery Images

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Discovery Figures: These pictures show the individual discovery images of the L5 Neptune Trojan 2008 LC18. The discovery images were taken about 1 hour apart on June 7, 2008 at the Subaru telescope on Mauna Kea in Hawaii. The motion of the Trojan clearly stands out compared to the steady state background of stars. Images on the right are the same as those on the left except that they have an arrow showing the location and movement of the new Trojan.

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Recovery Images

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Recovery Figures: These pictures show the individual recovery images of the L5 Neptune Trojan 2008 LC18. The recovery images were taken several hours apart on August 22, 2008 at the Magellan telescope at Las Campanas, Chile. The stellar background is much worse in these recovery images because the object has moved out of the obscuring dark cloud that was targeted during discovery. Stellar confusion is a major problem and it took many images over several hours in order to observe the Trojan clear of any stars.

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