Welcome to our Forum from Hauptmann in the Dallas/Ft. Worth area of Texas!
Cracov is very famous--Copernicus taught at the university there. But the weather was so bad that in his whole life, he never was able to see the Planet Mercury (it never gets very far from the Sun.
We have many members from Poland, Germany, Czech Republic, Ukraine, etc. and over 100,000 worldwide you can count on for help when you need it.
Glad you've joined!