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https://bildsuche.digitale-sammlungen.de/index.html?c=viewer&l=nl&bandnummer=bsb10501539&pimage=516&v=100&nav= Hecker, Johann: Hecker, Johann:Johannis Heckeri motuum Coelestium Ephemerides ab Anno Ae. V.... hecker johann motuum coelestium ephemerides https://books.google.com/books?id=r79GAAAAcAAJ&printsec=frontcover Johannis Heckeri motuum Coelestium Ephemerides ab Anno Ae. V. MDCLXVI ad ... - Johann Hecker -... johann hecker johannis motuum coelestium ephemerides https://publires.unicatt.it/it/publications/alexanders-ephemerides-117-9/ “Alexander’s Ephemerides (117)” - PubliRES - Publications, Research, Expertise and Skills ephemerides publications research expertise skills https://www.ornitho.it/index.php?m_id=116&frm_Date=29.09.2026&frm_C=36666 Calculating Ephemerides - www.ornitho.it calculating ephemerides www ornitho https://www.konversations-lexikon.de/sb-10186/minor-planets-for-1951-opposition-ephemerides-published-under-the-auspices-of-the Minor Planets for 1951. Opposition Ephemerides. Published under the auspices of the Ingternational... Planeten, Ephemeriden, Astronomie, Sterne | Minor Planets for 1951. Opposition Ephemerides. Published under the auspices of the Ingternational Astronomical... minor planets opposition ephemerides published auspices