March 2005 Observations

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Circumzenithal Arc - March 10, 2005 Image of a Circumzenithal Arc

A vivid display of a sundog, halo and circumzenithal arc imaged March 10, 2005 from Mt Airy, Maryland. The sequence of images below cover less than 3 minutes. 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

March 5, 2005 Halo
Image of a 22 degree halo
Image of a 22 Degree Halo