This is a Julia set plot who's "c" point is taken from the "seahorse valley" area of the baby Mandelbrot in the previous image, "Tendril baby Mandel."
This plot is zoomed in on the "C" point of the Julia plot, at a magnification of about 4.2E-8, which is about 7.9X larger than the magnification on the source Mandelbrot plot.
To recreate this plot, click here: Fractalworks plot 3 tendril baby mandel seahorse valley julia