Iridescent Clouds, Sundogs, Halos, Arcs - Parhelia

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Strange rainbow somehow associated with sundogs, September 30, 2007

Larger Image

Iridescent Clouds January 28, 2006
Image 1   Image 2   Image 3   Image 4   Image 5

Image 1   Image 2   Image 3
Sun Dog January 20, 2006

Iridescent Cloud November 23, 2005
Iridescent Clouds
November 23, 2005

Iridescent Cloud

Iridescent Cloud July 18, 2005

Iridescent Clouds May 15, 2005
Iridescent Clouds:
[Image 1]  [Image 2]  [Image 3

Arc in clouds [Image 2]

The sequence of images below cover less than 3 minutes. The Circumzenithal arc lasted no more than a minute or so but was very vivid. Imaged March 10, 2005 from Mt Airy, Maryland. The arc was by far the brightest I've ever seen. The camera's FOV is around 50 degrees!

The sundog
22 Degree Halo with Sundog
Beginning stages of the Arc
Halo with beginning of arc
Circumzenithal Arc at full intensity
Another shot a few seconds later

Image of a Circumzenithal Arc
Circumzenithal Arc

Image of a 22 degree halo
Image of a 22 Degree Halo

March 5, 2005 Halo

Image of a sun-dog Feb 19, 2005

This is one of the best sundogs that I have seen and perhaps the tallest.

Close-in Shot    Under exposed

Image of a sun-dog
Image of a sun-dog February 19, 2005

Image of a 22 degree halo
22 Degree Halo Dec 3, 2004

January 15, 2005
Halo, contrails and shadows

Another image with faint crepuscular rays caused by the contrail.

Old Photos:
  • Circumzenithal arc
  • Another Circumzenithal arc
  • A dazzeling Moon dog
  • Lunar upper tangential arc photo'd by David Varros
  • Lunar arc photo'd by David Varros
  • Rainbow in a cloud

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