| Mots clés : logiciel, programme, PC, astronomie, ephemerides, observation, planetarium, etoiles, galaxies, nébuleuses, cometes, asteroides, Lune, Soleil, programmation, visual c++, c++, calcul, LX200, LX 200, telescope, meade, NGC2000, sac, bsc5, dss, gratuit, freewa
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