Pascal78 11 Posted September 1, 2022 Bonjour à tous Je vous présente ce petit essai sur HD143454, qui est une étoile de type M3, nova récurrente, avec une belle émission Ha Uvex4 motorisé Slit 35um 20x120s RC8 ATIK314L Pascal 2 1 Share this post Link to post Share on other sites
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Vincent_L 427 Posted September 1, 2022 très beau spectre de T CrB Share this post Link to post Share on other sites
