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meteoptic-l [ät] ursa.fi
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The list has been quiet for quite some time. I was surprised
actually
not to have many messages about the "world record" halo display that
occurred at the South Pole two weeks ago. There are many photos and
ray-trace simulation available starting at:
http://www.spole.gov/internet/photos/0111halo
Also, on the sci.astro.amateur newsgroup a couple of days ago, someone in
Minnesota (USA) described what seemed to be a vertical doubling of stars
(naked-eye). If described correctly, this seemed to be some sort of
extreme
mirage-type phenomenon.
Nothing interesting here in FLagstaff lately, although last night we
did have both an ordinary 22-degree halo plus a corona around the Moon
through thick cirrus and altostratus.
\Brian
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