Pluto occults 14th mag star UCAC4 345-180315 for Europe on the 19th of July 2016 and its « Pathfinder Occultation » on the 14th of July Pluto occults a 14mag star UCAC4 345-180315 visible from many parts of Europe on the 19th… Continue Reading →
Voir aussi l’occultation du 19 juillet. This occultation will not only allow to improve Pluto’s orbit, but will also allow to follow the development of its thin atmosphere, when Pluto’s distance to the sun is increasing with the years. In… Continue Reading →
Essai lors du transit de HD 189733b d’une mesure simultanée en photométrie avec la FSQ106 et en spectro avec un Lyres III au foyer du RC 60 cm
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