TEXT HERE DOES NOT MATCH WITH PICTURES. NEW TEXT IS UNDER CONSTRUCTION. (This old version is temporarily preserved for own use to help in writing new captions.)
HERE ARE (VERY) OLD SLIDE SCANS. SLIDES WILL BE RE-SCANNED, IMAGES ENLARGED AND NEW SLIDES SCANNED IN FUTURE.
Sundog(-s) is the most frequent form of halo; yearly it can be seen perhaps in 100-150 days in Finland, but almost all of these are only weak and short lived occasions. Just be observant wherever you are and check your day and night sky whenever there are cirrus-type clouds passing by.
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