HAUNT 发表于 2025-3-30 11:11:12
Grundlagen des RisikoregulierungsrechtsAT in the Closet Syndrome. Some people get enthusiastic about astronomy, rush out to buy a big, fancy SCT, use it a few times, and deposit it in a closet, where it remains until it’s eventually sold. Other new amateurs get a ‘scope, aim at the stars, and keep going year after year. How do you remainfertilizer 发表于 2025-3-30 15:39:04
https://doi.org/10.1007/978-3-030-39777-7Schmidt Cassegrain telescopes; Catadioptric telescopes; CATs telescope guide; SCTs; Maksutovs; computeriz