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Pollen Corona


Pollen Corona
Photo Information
Copyright: Shir Goldberg (shirgold) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 286 W: 105 N: 591] (2748)
Genre: Landscapes
Medium: Color
Date Taken: 2006-06-10
Categories: Sky
Camera: Nikon D70, 18-70 AF-S DX 3.5 - 4.5 Nikkor, SanDisk Ultra-II 1Gb, Circ. Polarizer
Exposure: f/22, 1/2000 seconds
More Photo Info: [view]
Map: [view]
Photo Version: Original Version
Theme(s): Your Favorite Images, !Solar Shows [view contributor(s)]
Date Submitted: 2006-06-12 15:45
Viewed: 6028
Favorites: 1 [view]
Points: 18
[Note Guidelines] Photographer's Note
Description
This is a corona around the sun caused by pollen particles in the air. The dark area partialy hiding the sun is the sail of our sailboat. On that day the wind was blowing strong coming from the north (inland) carrying a lot of pollen. You can also see some other particles flying in the air. The corona was easily visible especially with sun glasses.

Some more info from this source:
A corona (not to be confused with the actual solar corona) is caused by diffraction of light by small cloud droplets, ice crystals, pollen or other particles. Due to the wave-nature of light, light is bend slightly after skimming the edge of a particle. By constructive and destructive interference of this light, diffracted over small angles by millions of small particles, colored rings can show up around the sun or the moon (and even the bright planets). The aureole is the first ring of the corona, consisting of a blue-white disk with the moon or sun at its center, bordered by a red-brown ring. The aureole is very common, when the sun or moon shines through a cloud deck. The actual corona, with sometimes many colored rings, is less common, because the cloud particles have to be of uniform size to allow for constructive interference of the light.


Tech Note
Cropped most of the image, roatted and adjusted levels to make the colours more visible.

jmp, shal, saguzar, Leace, TAZ, manyee, marhowie, thistle, pat has marked this note useful
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Critiques [Translate]

  • Great 
  • jmp Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1659 W: 95 N: 2273] (8415)
  • [2006-06-12 16:13]

Hola Shir,
What an interesting shot! I must study the phenomenon carefully. An unique shot and a great contribution to TN!!
Thank for sharing,
José M.

hello Shir,
I´m a lover of sky shots and astronomy, and this phenomenon is unknown to me, the first time that I see it.
Excellent composition and informative note. I must to thank you very much, it´s very interesting to me.
best regards
Hernán

  • Great 
  • TAZ Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 2241 W: 47 N: 3167] (10926)
  • [2006-06-13 2:00]

What an interesting shot well completed by an instructive note...
Congratulations Shir and thanks for sharing.

  • Great 
  • manyee Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3089 W: 230 N: 6774] (23770)
  • [2006-06-13 3:12]

What an amazing sight, Shir.
And thanks for the explanation.
A very unique post that is very enlightening.
Great colors.
TFS. : )

  • Great 
  • sway Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 305 W: 85 N: 319] (1276)
  • [2006-06-13 4:51]

Grat shot. Love the colours in the corona.
Well spotted.
TFS
:)

Hi Shir,
This is a great post, very interesting note and technique to get this one..
Very well done and Thank You!

Hello Shir,
Very interesting shot! I don't think I've ever seen anything like that. Picture is very good technically and the note is very useful.
WELL DONE!

Hello Shir, nice we meet around :)
I was very surprised to see this very nice shot and read about this light pollen difraction I had never heard of. Really TN stuff, congratulations. The photo is strange, I would not know where to focus taking a shot like this :D but it shows the effect in a perfec way.
My best wishes

  • Great 
  • pat Gold Star Critiquer/Gold Note Writer [C: 87 W: 0 N: 125] (414)
  • [2006-10-11 15:18]

Hi Shir,
Excellent capture of this interesting physical and natural phenomenon. Composition is beautifully abstract and thanks to your perfectly clear descriptivee note I come to glimpsy its overall impact. Nice natural colours, with details in transition.
Patrick

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