Petr Hykš:
First Pleiades (M45)
Petr Hykš:
Perseus double cluster
Petr Hykš:
Venus passing in front of Pleiades star cluster
Petr Hykš:
Nova Cassiopeiae 2021 (V1405 Cas)
Petr Hykš:
M13, globular cluster in Hercules
Petr Hykš:
Pleiades (M45) after 4 years