Halo phenomena

This 22° ring and circumscribed halo were captured by a meteor camera on 18.01.2017. © Jörg Strunk

The Halo Meeting 2015 took place in Boží Dar (CZ). The video shows impressions of the ice fog halos from Keilberg and Fichtelberg. © Andreas Möller

A halo phenomenon in Tübingen. Visible are 22° ring, upper tangent arc, sundogs, circumzenithal arc, Parry arc, supralateral arc, and Tape arcs. © Till Credner

The video shows ice fog halos in the Neklid ski area on the Ore Mountain ridge. © Claudia Hinz

This horizontal circle was observed on July 13, 2014, with a high sun position (63.4°) in Miesbach. © Thomas Klein

On 24.06.2014, the following halo phenomenon was observed in Kuopio, Finland. © Pekka and Anne Honkakoski

This bright 22° ring was observed on June 18, 2014, in Berlin. © Andreas Möller

A brilliant circumhorizontal arc illuminated the beach of San Diego, CA (USA). © Pete Axcell

This lower light pillar was observed on March 25, 2014 at the Zugspitze. © Stefan Rubach

This ice fog halo phenomenon was captured on 29.01.2014 in the ski area Mühlbach am Hochkönig (Austria). Visible are the 22° ring, both sundogs, upper tangent arc, lower tangent arc, 46° halo, parhelic circle, subparhelion, subparhelic sundogs, Parry arc, and parts of the circumzenithal arc. © Jeroen Schrage

The time-lapse recording shows the 22° ring, sundogs, and upper tangent arc taken on Jan. 3, 2014 in Kämpfelbach. This time-lapse was captured with a GoPro Hero. © Michael Großmann

This halo phenomenon with halos arising from pyramidal ice crystals was captured on the night of 25th to 26th March 2013 in Dresden. © Alexander Haußmann

This halo phenomenon with halos arising from pyramidal ice crystals was captured on the night of 25th to 25.03.2013 in Dresden. (Edited with USM) © Alexander Haußmann

This horizon circle at the Moon was captured by the AllSky Cam of the Astroclub Radebeul on the night of January 12 to 13, 2013. © Martin Fiedler