Résumé
Etant disponible, depuis 1984, à l’Observatoire de Brera-Merate l’astrographe ZEN de 20 cm. d’ouverture et 2077 mm. de focale, on a commencé un programme d’observation photographique d’étoiles doubles visuelles larges, en general donc negligées par les observateurs, par la methode des expositions multiples.
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References
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SCARDIA, M.,PANNUNZIO, R., 1982, Astron. Astrophys. 107, 362
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© 1988 Kluwer Academic Publishers
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Scardia, M. (1988). Mesures Photographiques D’Etoiles Doubles Visuelles Larges. In: Dommanget, J., Van Dessel, E.L., Kopal, Z. (eds) Wide Components in Double and Multiple Stars. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2987-6_37
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DOI: https://doi.org/10.1007/978-94-009-2987-6_37
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