Heyho Vali x,
a global switch from german to english and vice versa is possible only for the portals user interface but not for the contents of posts.
If something of outstanding interest is posted an english translation is probably available.
"Starport" Sessions...
If you decide to be an ArtemisSIMULATOR User and want to log in to the chat during an ongoing observing session, english conversation should be no problem
Best regards
Alex (VectorSCOPE)