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Ancient Horizons |
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Shadows |
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BASIC Programs from Sky & Telescope |
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Eclipse Software EmapWin (Version 1.21) |
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Alcyone Ephemeris 3.2 |
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Solex 9.1 |
Aldo Vitagliano |
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Institut de Mécanique Céleste et de Calcul des Éphémérides |
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JPL HORIZONS on-line solar system data and ephemeris computation service |
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Planetary, Lunar, and Stellar Visibility 3 |
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GraphDark 2.05 |
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Planetarium programs |
Victor Reijs |
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Several Calendars |
Holger Oertel |