Wikipedia
Heweliusz (satellite)
Heweliusz is the second Polish scientific satellite launched in 2014 as part of the Bright-star Target Explorer (BRITE) programme. The spacecraft was launched aboard a Chang Zheng 4B rocket in August 2014. Heweliusz is an optical astronomy spacecraft operated by the Space Research Centre of the Polish Academy of Sciences; it is one of two Polish contributions to the BRITE constellation along with the Lem satellite. It is named after Johannes Hevelius.