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A Matchmaker Julia set with a single fixed-point attractor. One critical point is inside a cardioid near its cusp and this causes the coils; the other is outside a region similar to where the quadratic M-set has a Fibonacci sequence of bud periods.

Freely redistributable and usable subject to the Creative Commons Attribution license, version 3.0.

(Clearing a backlog of images that had been rendered, but not yet published, when that mobo went boom. Hence the older hardware specs on today's images. You'll be seeing a mixture of the two for a while. Thank heavens it wasn't the harddrive -- it did manifest with the world's scariest error message, "DISK BOOT FAILURE - INSERT SYSTEM DISK AND PRESS ENTER", but it was the on-board controller, DMA subsystem, or some such thing and not the drive itself or its cable. Drive would have been worst. Cable would have been best, $19.95 instead of over $500 to repair.)

Detailed statistics:
Name: Accretion Disk
Date: February 9, 2009
Fractal: Matchmaker Julia set
Location: a = 0.47275390656 + 0.41054687511i; b = 0.162791 - 0.174417i
Depth: Very Shallow
Min Iterations: 247
Max Iterations: 752
Layers: 1
Anti-aliasing: 3x3, threshold 0, depth 1
Preparation time: 5 minutes
Calculation time: 10 minutes (2GHz dual-core Athlon XP)