Petr Hykš:
Anvil time-lapse
Petr Hykš:
Wall-cloud / shelf cloud time-lapse
Petr Hykš:
Cumulus clouds time-lapse
Petr Hykš:
Supercell (time-lapse video)
Petr Hykš:
Night sky observing with public (time-lapse)
Petr Hykš:
Cumulonimbus capillatus incus formation (time-lapse)
Petr Hykš:
Perseid meteor shower without meteors (time-lapse video)