Monday, 29 May 2017

Large scale odd radius halo complex on Memorial Holiday 5-29-17

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About an hour before midday a layer of cirrus stratus clouds began moving toward the sun and I looked up and saw a colorful 22d halo and I n...
11 comments:
Wednesday, 17 May 2017

Recent displays from Northwestern Russia

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In this post I want to share some of my observations from last month, which I made in St Petersburg (from 15th April to 5th May) and in Psk...
Sunday, 7 May 2017

Update On The Earliest Known Halo Photograph

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Following recent comments by one of our readers, Aysun Ülger, on the post  regarding the earliest known photograph of a halo, I thought it ...
5 comments:
Tuesday, 2 May 2017

Late diamond dust display in Finland

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Cold spring has kept diamond dust popping up late. On 28 April a display with sharp Moilanen arc was seen in Järvenpää of southern Finlan...
2 comments:
Wednesday, 19 April 2017

Odd radius plate arcs in diamond dust display

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The lamp in the photo is a couple of degrees below the horizon and there are 18, 20, 24 and 35 °  plate arcs. Plus a bit of a helic arc t...
1 comment:
Friday, 14 April 2017

Recent displays from St Petersburg, Russia

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In this post, I'm including the most interesting displays observed during the last month. 14th March 2017 On that day, halos app...
Tuesday, 11 April 2017

Halo Phenomena in Olaus Magnus’s Historia de Gentibus Septentrionalibus (Part 3)

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Halo phenomena in Historia de Gentibus Septentrionalibus , Bk. 1, Ch, 16. Image from www.avrosys.nu “And no wonder: since we ...
1 comment: