Thursday, January 29, 2009

Skywatch Friday No. 29

Hello Skywatchers!
Glad you're on board again!

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Time for another post for the Skywatch 101 Series... Here's lesson six. I have chosen a solar halo, or an icebow.




HALO (Icebow)

A halo (also known as a nimbus, icebow or Gloriole) is an optical phenomenon that appears near or around the Sun or Moon, and sometimes near other strong light sources such as street lights. There are many types of optical halos, but they are mostly caused by ice crystals in cold cirrus clouds located high (3–6 miles) in the upper troposphere. An icebow is phenomenon similar to a rainbow except that it is formed by the refraction of sunlight through cloud suspended ice crystals as opposed to raindrops or other liquid water suspended in the air. Generally the appearance is as arc sections as opposed to a full circle. Brighter sections usually occur above, below, and lateral to the center (where the sun is visible). These bright areas are referred to as "sun dogs," "parhelia" (plural -- see link to a previous post about sun dogs link). Those icebows that are caused by very small ice crystals are one colour, because diffraction blurs the colours together. A 22 degree icebow has red on the inside and blue on the outside.

~source
This was my first time experiencing a complete solar halo.

Lesson prepared and photograph taken by Dewdrop
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Your Skywatch Team:
Klaus
| Sandy | Ivar | Wren | Fishing Guy| Louise

Thursday, January 22, 2009

Skywatch Friday No. 28

Hello Skywatchers!
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Todays Guest Post comes from Jo'Ann D'Eyes


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Your Skywatch Team:
Klaus
| Sandy | Ivar | Wren | Fishing Guy| Louise

Thursday, January 15, 2009

Skywatch Friday No. 27

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Todays Guest host is Larry Jordan from Birder's Report

"Another beautiful sunset from my back porch in Oak Run California"
Larry Jordan (Birder's Report)


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Apparently Mr. Linky is experiencing difficulties. But check back periodically - they do work their butts off to get it up again!
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Thank you for being part of the Skywatch Community!
Your Skywatch Team:
Klaus
| Sandy | Ivar | Wren | Fishing Guy| Louise

Thursday, January 8, 2009

Skywatch Friday No. 26

Hello Skywatchers!
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Todays Guest host is Londons own Soulbrush!
"I love black shadowy trees against a rainy sky. The park near my house here in London has some wonderful trees that I have photographed throughout the seasons."
Soulbrush


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Thank you for being part of the Skywatch Community!
Your Skywatch Team:
Klaus
| Sandy | Ivar | Wren | Fishing Guy| Louise

Wednesday, January 7, 2009

New Round of Skywatch® coming up!

Badges for your website can now be found on a dedicated page. See links on top of the page!

Websites from all over the world
are showing us skies every week!
Thank you!






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Thank you for being part of the Skywatch® Community!

Your Skywatch® Team:

Klaus |Sandy |Wren |Fishing Guy|Louise |Sylvia

Thursday, January 1, 2009

Skywatch Friday No.25

Hello Skywatchers!
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We added the Followers gadget on the bottom of the page, to make it easier for you to stay on top of all things Skywatch Friday!



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Thank you for being part of the Skywatch Community!
Your Skywatch Team:
Klaus
| Sandy | Ivar | Wren | Fishing Guy| Louise