I've been chasing circumzenithal arcs for some time. This is the first plainly visible one that I anticipated based on the conditions: sun low in the sky, cirrus clouds passing overhead, and no clouds dimming the sun. The photo below was taken about 1 minute before the arc formed using the maximum field of view for my 18-55mm focal length lens and has been cropped in width.
3 comments:
I saw this rainbow looking thing in the clouds just today april 19th around 6:30 pm on the 5 north towards valencia, ca. But i didn't take a photo... my camera was dead. It was amazing.. i have never seen anything like it before in the day sky. The clouds looked like they were interfered by something- almost feather like.
There was something similar i saw back in 2002 at night where there were bright colors in the clouds but this was much BIGGER and still unexplained.
Thanks for your comment.
If you ever get a picture of anything like what you saw, send it to the Atmospheric Optics website:
http://www.atoptics.co.uk/
Of course, I'd like to see the photo too.
I've displayed my other attempts to catch a circumzenuthal arc here:
http://www.brightstarstemeculavalley.org/pages/AestheticAndScientific.html
JG
Oops. The link got cut off. Here they are again:
Aesthetic and Scientific Interestshttp://www.atoptics.co.uk/
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