Petr Hykš: Multiple halo display
Petr Hykš: Incredible halo display (panorama, transverse mercator projection)
Petr Hykš: Halo display (panorama)
Petr Hykš: Circumzenithal arc & several weak, frequent halos (panorama)
Petr Hykš: Lunar halo, upper tangent arc & weak parselenium
Petr Hykš: Faint halo complex
Petr Hykš: Upper tangent arc and othe faint halos
Petr Hykš: Circumhorizon arc & infralateral arc below circumscribed halo
Petr Hykš: Circumscribed halo & parhelic circle
Petr Hykš: Parhelic circle & circumscribed halo
Petr Hykš: All-sky panorama halo display (sun height: 49°)