gilbert.vissio 0 Posted January 4, 2002 quelqu'un a-t-il deja reussi a observer de maniere evidente la granulation solaire avec une lunette Astrophysics 130 mm ou Takahashi 128 mm ou Takahashi 102 mm ?Si oui quel etait le systeme d'attenuation choisi (filtre pleine ouverture ou helioscope d'Herschel ou pentaprisme) ?Merci d'avance pour vos reponses. Share this post Link to post Share on other sites
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