Ultra Fractal 6 - 3 Ways to Invert the Mandelbrot Set (1440p 60FPS)

I got a Flickr page with fractal pics
https://www.flickr.com/photos/195650631@N05/albums/72177720299113260
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The formulas are:
On the left:
z = z^2 + (1-a)*c + a*(1/c)
with z0 = 0
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In the middle:
z = z^2 + c^(1 - 2a)
with z0 = 0
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On the right:
z = z^2 + (a + (1-a)*c)/(1-a + a*c)
with z0 = 0
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In all three formulas, a goes from 0 to 1
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Details:
Center - (0, 0); Magnification: 0.45; Iteration count - 100; Bailout value - 128 in all three animations
All three animations were rotated 90 degrees clockwise to fit more interesting parts
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The thing was made in Ultra Fractal 6

Видео Ultra Fractal 6 - 3 Ways to Invert the Mandelbrot Set (1440p 60FPS) канала Some dude