Petr Hykš:
Circumhorizon arc (stack)
Petr Hykš:
Circumhorizon arc (stack)
Petr Hykš:
Circumhorizon arc fragment
Petr Hykš:
Circumhorizon arc fragment
Petr Hykš:
Circumhorizon arc
Petr Hykš:
Circumhorizon arc above Brno
Petr Hykš:
Incredible halo display (panorama, transverse mercator projection)
Petr Hykš:
Circumhorizon arc & infralateral arc below circumscribed halo