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Old 18-11-2024, 09:21 PM
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bkm2304 (Richard Brown)
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Abulfeda and the "almost" Apollo landing

Hi all,

Pic of crater Abulfeda and its neighbours, Almanon and Descartes.

Named for Ismail Ibn Abū al-Fidā (1273-1331), Syrian geographer, historian and anti-Crusader. He was a patron of scholars of his time.

Catena Abulfeda is a striking chain of craters running NW to SE. This area was considered as a possible landing site for Apollo 16 which instead landed about 120km to the North in the Descartes Highlands. The interest in Catena Abulfeda was due to the then undecided origins of many craters - volcanic or impact - and these craters due to their structure would help settle the question.

The interest in the Catena also explains why there are a lot of satellite craters named - so many that the alphabet runs out and restarts with AA and AB etc. NASA mapped this area very carefully of course.

Crater Descartes named for the French all-round genius Rene Descartes (1596-1650), he of cartesian coordinates and "I drink", er sorry, "I think therefore I am" fame, is a ruined slump of a place that lends its name to the surrounding rugged region.

Almanon named for Persian astronomer Abdalla Al Mamun (786-833), again has swarms of named satellite craters thanks to Apollo. Catena Abulfeda runs by it.

ZWO 178mm camera, Celestron Edge HD 14", Bintel Red Filter. Approx. 3,000 frames stacked in Autostakkert!3 and sharpened in Registax and Photo Magic.
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Old 21-11-2024, 08:46 AM
Dave882 (David)
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Another top shot Richard and some interesting history as well. You've got that c14 singing! great stuff
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Old 21-11-2024, 08:49 PM
Tom30887 (Tom)
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Amazing!
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