This is a Julia set image from the cleft of the cardioid of the largest baby mandelbrot.
It's "C" point is -1.748815266259035, -0.0005168945256186335. It is at a width of about .008899.
If you have FractalWorks 0.4.3 or later, you can recreate this plot (with slightly different colors) by clicking this link: Fractalworks plot Striking Julia.
Click the following link to see a 3D version of this image:
Striking Julia 3D