allhoest 226 Posted August 20, 2021 Bonjour à tous, Passage sur un filtre calcium pour l'imagerie solaire, toujours avec le T300 au miroir désaluminé. En CaK, c'est moins évident... Petite cerise sur le gâteau, nous avons eu un flare, capté en Calcium. Alexandre 2021-08-16 Newton T300 solaire Baader FFC Filtre CaK ASI290MM 5 1 Share this post Link to post Share on other sites
Advertising By registering on Astrosurf, this type of ad will no longer be displayed. Planetary Astronomy Observing, imaging and studying the planets A comprehensive book about observing, imaging, and studying planets. It has been written by seven authors, all being skillful amateur observers in their respective domains. More information on www.planetary-astronomy.com
jean-marc hiryczuk 3261 Posted August 20, 2021 Alors la sa dépote c(est rare les flare en cak bravo jean marc 1 Share this post Link to post Share on other sites
jlb73 785 Posted August 22, 2021 Salut Alexandre, SUPERBE le flare en CaK ! Belle prise ! 1 Share this post Link to post Share on other sites
