{"id":12694,"global_id":"tobias-mayer-museum.de?id=12694","global_id_lineage":["tobias-mayer-museum.de?id=12694"],"author":"9","status":"publish","date":"2026-09-19 21:32:32","date_utc":"2026-09-19 19:32:32","modified":"2026-09-19 21:32:32","modified_utc":"2026-09-19 19:32:32","url":"https:\/\/tobias-mayer-museum.de\/?tribe_events=monddistanzmessung-2","rest_url":"https:\/\/tobias-mayer-museum.de\/index.php?rest_route=\/tribe\/events\/v1\/events\/12694","title":"Monddistanzmessung","description":"<p><strong>Auch in diesem Jahr wollen wir wieder eine Monddistanz-Messungen anbieten.<\/strong><\/p>\n<p>Tobias Mayers Berechnungen der Mondbahn waren die Grundlage der Monddistanz-Tabellen im Nautischen Jahrbuch, das Nevil Maskelyne 1767 herausbrachte. Sie dienten neben der Verwendung der Uhren von John Harrison zur Bestimmung des geographischen L\u00e4ngengrads auf See.<\/p>\n<p>Diesmal wollen wir eine Messung bei Dunkelheit durchf\u00fchren und die Distanz (den Winkel) zwischen Mond und Saturn oder Capella am Samstag 26. September ab 20:30 Uhr messen. Vorhergesagt ist gutes Wetter. Sollten sich die Wetterbedingungen verschlechtern, wird die Messung rechtzeitig abgesagt.<\/p>\n<p>Die Messung ist am Wasserbeh\u00e4lter Marbach geplant, in der N\u00e4he der Winzergenossenschaft. Eine Gruppe von ca. 10 Personen kann dabei praktische Erfahrungen mit diesem Verfahren zur L\u00e4ngengradbestimmung machen.<\/p>\n<p><strong>Um die Ger\u00e4te bei Dunkelheit handhaben zu k\u00f6nnen, sollte man mit ihnen schon vertraut sein. Taschenlampen n\u00fctzen nicht viel, da sie meistens blenden. Deswegen gibt es die Gelegenheit ab 19 Uhr im Keller des Museums die Ger\u00e4te kennen zu lernen. Weiterhin k\u00f6nnen die theoretischen Grundlagen der Messung in K\u00fcrze besprochen werden.<\/strong><\/p>\n<p>Wenn Sie an der Monddistanzmessung teilnehmen wollen bitte ich um eine R\u00fcckmeldung.<\/p>\n<p>Wolfgang Gaubatz<br \/>\nTobias Mayer Verein<\/p>\n<p><a href=\"mailto:w.gaubatz@web.de\">w.gaubatz@web.de<\/a><\/p>\n<p>&nbsp;<\/p>","excerpt":"","slug":"monddistanzmessung-2","image":false,"all_day":false,"start_date":"2026-09-26 19:00:00","start_date_details":{"year":"2026","month":"09","day":"26","hour":"19","minutes":"00","seconds":"00"},"end_date":"2026-09-26 22:00:00","end_date_details":{"year":"2026","month":"09","day":"26","hour":"22","minutes":"00","seconds":"00"},"utc_start_date":"2026-09-26 17:00:00","utc_start_date_details":{"year":"2026","month":"09","day":"26","hour":"17","minutes":"00","seconds":"00"},"utc_end_date":"2026-09-26 20:00:00","utc_end_date_details":{"year":"2026","month":"09","day":"26","hour":"20","minutes":"00","seconds":"00"},"timezone":"Europe\/Berlin","timezone_abbr":"CEST","cost":"","cost_details":{"currency_symbol":"\u20ac","currency_code":"USD","currency_position":"prefix","values":[]},"website":"","show_map":true,"show_map_link":true,"hide_from_listings":false,"sticky":false,"featured":false,"categories":[],"tags":[],"venue":{"id":7326,"author":"9","status":"publish","date":"2025-05-23 17:55:35","date_utc":"0000-00-00 00:00:00","modified":"2025-05-23 17:55:35","modified_utc":"0000-00-00 00:00:00","url":"https:\/\/tobias-mayer-museum.de\/?tribe_venue=48-937515-9-276537-pumpspeicher-marbach","venue":"48.937515, 9.276537 Pumpspeicher Marbach","slug":"48-937515-9-276537-pumpspeicher-marbach","address":"48.937515, 9.276537 Pumpspeicher Marbach","city":"Marbach am Neckar","zip":"71672","json_ld":{"@type":"Place","name":"48.937515, 9.276537 Pumpspeicher Marbach","description":"","url":"","address":{"@type":"PostalAddress","streetAddress":"48.937515, 9.276537 Pumpspeicher Marbach","addressLocality":"Marbach am Neckar","postalCode":"71672"},"telephone":"","sameAs":""},"show_map":false,"show_map_link":false,"global_id":"tobias-mayer-museum.de?id=7326","global_id_lineage":["tobias-mayer-museum.de?id=7326"]},"organizer":[{"id":4941,"author":"9","status":"publish","date":"2020-12-01 12:31:37","date_utc":"2020-12-01 11:31:37","modified":"2026-02-19 14:46:39","modified_utc":"2026-02-19 13:46:39","url":"https:\/\/tobias-mayer-museum.de\/?tribe_organizer=tobias-mayer-verein","organizer":"Tobias Mayer Verein","slug":"tobias-mayer-verein","json_ld":{"@type":"Person","name":"Tobias Mayer Verein","description":"","url":"","telephone":"","email":"","sameAs":""},"global_id":"tobias-mayer-museum.de?id=4941","global_id_lineage":["tobias-mayer-museum.de?id=4941"]}],"custom_fields":[],"json_ld":{"@context":"http:\/\/schema.org","@type":"Event","name":"Monddistanzmessung","description":"&lt;p&gt;Auch in diesem Jahr wollen wir wieder eine Monddistanz-Messungen anbieten. 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