...but it was very difficult to photograph. (Still no new camera yet, by the way. I remain frozen by indecision.)
Edited portion follows
The pictures were perhaps too subtle. I've added this over-enhanced photo. (Can you see me now?) The arc is a pale upside-down rainbow that begins 2/3 down the left side of the picture and sweeps over to the larger cloud mass at right.
Maybe you had to be there.
I couldn't identify which particular effect this was. 22° halo? 46° halo? Something else (Supralateral arc)? I suspect a 22° halo, mainly because it's the most common. But this wasn't as bright or as colorful as those sound.
Here is the same picture with the contrast enhanced. It looked so much cooler in person.
The details: Near Oneonta, Alabama. Around 10:00 - 11:00 am, sun at about 45° angle to horizon (so, not a Supralateral arc then, since they only form at 32° or less). With the camera at 35mm I could not get them both in the picture. (But I wasn't too far from it, which also makes me think 22° halo.)
I read and read at the wonderful Atmospheric Optics web page. (I kept confusing myself.) I posted on a weather forum but got no answers.
Note to self for next time:
Edge of halo one outstetched hand (at arm's length) from sun: 22° halo.
Two outstretched hands: 46° halo.
Also difficult to photograph was this recent cloudbow.
Oh the fuzziness.
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