Diskussion http://r2.astro-foren.com Sun, 05 Apr 2026 21:40:23 +0200 JComments http://r2.astro-foren.com#comment-227 Winfried Berbeich Sat, 13 May 2023 14:22:37 +0200 http://r2.astro-foren.com#comment-227