Monday, January 26, 2015

An Orange Orb "Butterfly"

Photo date: October 28, 2014. Photographer: Mark Mahin. 

I'm not sure what to make of this remarkable indoor photo of a wall. It looks a little like quite a few photos I have taken showing a dramatic sharp right-angle turn by an orb. But since the shape doesn't look like the regular circular orb shape, perhaps we could also call it an "orb butterfly." No flying insects were observed at this indoor location in the previous two months. The apparent size was about that of a basketball.


Dust level: 330/2,  Fair. Nearby reflective surfaces: none. The camera shutter speed was 1/2000 of a second. The orb was about 9% of the full picture (horizontally). No orbs shown in photos taken at same location from same angle soon before and soon after this photo was taken, which argues against any dust explanation.  No artificial light was involved in the photo area except the camera flash. There was no possibility of a hair in front of the camera lens, because the photo was made by someone with very short hair.  

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