This is from my 2019 calender either the April or the October page.
This stereographic reprojection was generated from a spherical panorama I took in the center of the entrance dome of Prague’s main station.
See the interactive version on Google Maps.
Camera Maker: SONY
Camera Model: ILCE-QX1
Exposure Time (sec): 1/80
F-Number: 7.1
Focal Length (mm): 7.5