fyi,
I'll post a link if someone is interested.... Documented as surface subparhelia (on water ice cover). Observation by Pekka L. (Helsinki, Finland)
https://www.taivaanvahti.fi/observations/show/80683
PS:
Although I have seen many times the frozen lake surfaces, this halo type I haven' t seen yet... Need to keep my eyes more focused
[HALO] Surface subparhelia, Taivaanvahti (22.1.2019)
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[HALO] Surface subparhelia, Taivaanvahti (22.1.2019)
Timo K, OH7HMS - KP32EV
http://tiku-astro.blogspot.com/
http://tiku-astro.blogspot.com/
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