Latest captures:
4401 at Moordrecht, Feb 13, 2023
4402 at Grote Melm, Dec 14, 2022
4401 at Bad Bentheim, Nov 5, 2022
4402 at Grote Melm, Nov 22, 2021
Older captures:
4401 at Nieuwstadt, Feb 8, 2014
4401 at Kreijl, Feb 10, 2014
4401 at Station Sittard, Feb 10, 2014
Arjen Sleeuwenhoek discovered on Feb 8, 2014
