Showing posts with label 28° plate arc. Show all posts
Showing posts with label 28° plate arc. Show all posts
Sunday, 20 September 2020

Mysterious sunvex 28° arcs in Yunnan, China

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On August 26 2020, Zhang Yibing from Pu'er, Yunnan captured a sunset odd-radius display, in which a bright 28° arc dominates the show.  ...
3 comments:
Wednesday, 17 June 2020

High Quality 28° Arcs in Ji'an, China

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Moments before sunset on June 17 2020, a high quality odd-radius plate display with bright and vivid 28° arcs was documented by multiple obs...
5 comments:
Monday, 1 June 2020

Odd radius display at low sun in Berkshire, UK

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11-frame stack at sun elevation 2°: unsharp mask and colour enhancement (top), and background subtraction + blue-minus-red colour subtrac...
3 comments:
Tuesday, 27 August 2019

28° arcs from Yunnan, China

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Two rounds of week-long odd-radii outbreaks swept across southern China in July and August. The second outbreak turned out to be the more no...
1 comment:
Sunday, 28 July 2019

Possible 28° (plate) arc from Changsha, China

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On July 1st, skywatcher Luo Wuping captured a decent odd radius plate display during sunset hours from Changsha, Hunan Province, China. ...
4 comments:
Sunday, 7 October 2018

Time machine: the Chengdu display from July 20, 2016

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The 1997 Lascar display ( http://www.thehalovault.org/ 2008/12/lascar-display.html ) opened the door to a world of exotic halos. Halo res...
14 comments:
Tuesday, 18 September 2018

28° plate arc captured in Haikou, China

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On the evening of Sep 5, 2018, an odd-radius plate display of great significance was captured in Haikou, China, by photographer Zhan Guor...
1 comment: