Ladies and Gentlemen. Due to the coronavirus epidemic in Poland, the CTP PAS is operating in a limited way. In particular, until further notice the secretariat and the accountancy of the CTP PAS will be working only remotely. Contact with the administration is possible only by an e-mail. We are sorry for any inconvenience.

Handy Pinhole Camera to observe the transit of Venus.

Links

http://old.cft.edu.pl/...upload/CameraObscuraEn.pdf

Added Saturday, 22 september 2012, 06:17 CEST
Latest modification Saturday, 22 september 2012, 06:17 CEST