Author Archives

After a year of non-pyramidal halo complexes, finally a pyramidal one appeared. On 10 September, I (Martin Popek) observed 9°, 18°, 20°, 23° and maybe a 24° halo, together with weak 9°, both 18° and 23° parhelion, which was separated…

We tend to think of upper Parry arcs the way we see them at low sun. Two observations from the past months, however, show what they look like when the sun is high up in the sky. In the above…

During the past few days there have been two displays with full parhelic circle over Finland. The first one occured in Kitee, East Finland shortly after 10:30 on 9 July. 11-year-old Jesper Rissanen took a video of this display (…

A series of complex halo displays occured in Eastern Europe between 27 March and 6 April. The first display was seen in Vecsés, Hungary (observer: Ágnes Kiricsi). On 27 March, after the appearance of a bright circumscribed halo, a growing…

The publication of the Mars halo on this site stimulates me to dig in history. On 27 April 1975, I saw by change a picture of a subsun taken from space ( 1 ). It is here on the frontal…