Petr Hykš:
Distrail (dissipitation trail) holes & bubbles in cirrocumulus
Petr Hykš:
Altocumulus stratiformis translucidus perlucidus cavum
Petr Hykš:
Altocumulus stratiformis translucidus perlucidus cavum with a hint of 22° solar halo
Petr Hykš:
Altocumulus stratiformis translucidus perlucidus cavum
Petr Hykš:
Altocumulus stratiformis perlucidus radiatus cavum
Petr Hykš:
Altocumulus stratiformis radiatus cavum
Petr Hykš:
Altocumulus stratiformis translucidus perclucidus duplicatus