I have added deep zooming to Fracton. As a part of the testing, I looked at the area along the negative x axis to see if I could zoom in and find a deep minibrot there. At low magnifications, the minibrots are located at points where some oval shapes intersect the x axis. Zooming in on those contained a minibrot so I tried doing the same thing in the area near (-2.0, 0.0). Not knowing what I would find or how deep it would be, I zoomed in for an hour or so recentering the image to keep the oval shape intersecting the x axis. I eventually found a minibrot at a magnification of about 8E107. There is a much deeper minibrot from the same general area on the FractInt Deep Zooming webpage. Can you guess how the two images differ?

Here is a link to a page with an image and the answer:

The par file for the image is:

Deep107 { ; Exported from Fracton.

 ; time= 1 min 20 sec at 640 x 480 with no aa

 ; on a Mac Pro 2 x 2.8 GHz Quad-Core Xeon

 reset=2004 type=mandel passes=1 float=y

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 793735620347e+107/0.9999999992460491/0/0

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 logmap=646 proximity=0

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 9ED8CB7A96875664443222000 }