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Guy Heinen

Special interests: Lunar geology, especially volcanism; lunar and solar photography, tektites (author of the book: Tektites-witnesses of cosmic catastrophes).

Local society membership: Amateurs Astronomes de Luxembourg

2018 Oct 18

2018 Oct 4

2018 Aug 7

2018 Jul 28

2018 Jul 26

2018 Jul 16

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