The latest ATA Astronomy Study Unit newsletter, Astrofax, is out (Fall 2021). The latest issue contains articles with guest contributions from Katrin Raynor-Evans on tips for presenting Astrophilately; member Margaret Morris presenting a fascinating letter from William Herschel to his sister, Caroline; and an article on the exploration of Mercury. Some new issues include the Observatories of Israel and Romania and Slovakia commemorating historic observatories. For more info on becoming a member, check out: https://www.astronomystudyunit.net/
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