Updated 23.8.2005

Summer Halos Summer Halos


Site: Sondby, Porvoo, Finland 60°15'40.3" N, 25°47'36.8" E
Time: Eastern Europen Time zone (UT+02{+01})
Camera: Canon EOS 20D Digital SLR camera with 8.2Mb CMOS sensor
Lens: Canon EF 17-35mm f/2.8 L USM
Exposure: automatic the "P" setting minus one stop
Software: PhotoImpact XL Windows XP
IrfanView 3.95
RegiStax 3.0.1.23


23° Parhelia up, 18° Parhelia right.
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31 July 2005 17:01-17:20EEST
Sun behind no12 welder glass. 19 images stacked with RegiStax3 to reduce cloud disturbance.


Circum zenithal arc
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20 Aug 2005
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18:58EEST
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All material Copyright © Jorma Koski, Anno Mundi 2005