About Obs
The Borówka Observatory is an astronomical observatory located in Tuchola Forest in the nothern Poland. The founder is Tomasz Mrugalski, PhD, a long time astronomy and space exploration enthusiast.
The obs is currenty being build, but observations are conducted with temporary setups since 2018.
Several scopes are available. The smallest one on Vaonis Vespera (aperture 50mm, f=200mm, F number 4.0) and the largest is Taurus 20" (aperture 500mm, focal length 2100mm, F number 4.2).
The shortest focal length used was f=16mm (Canon lens, L series). The largest focal length used was f=4700mm (Celestron 9.25" with 2x powermate).