Under the Volcanoby *FractalMonster

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This is an in-zoom in the left component in the old deviation Halloween Crack. Only the set M1 = M4 is drawn in this picture.

The parent fractal is a 2D-slice of the eight dimensional

pentic parameter space using the standard setup of parameters z -> z^5 + 5/3[ab + ac + bc - (a + b + c)^2]z^3 - 5/2[abc - (ab + ac +bc)(a + b + c)]z^2 - 5abc(a + b + c)z + d, critical points z = a making the set M1, z = b making the set M2, z = c making the set M3, and z = -(a + b + c) making the set M4.

*a_real = #pixel (horizontal)
*a_imag = #pixel (vertical)
*b_real = 0.46
*b_imag = 0
*c_real = -0.46
*c_imag = 0
*d_real = 0
*d_imag = 0

If you zoom out, you will see that the outer structure is a degree 3 Compass. Check my previous deviation CompassBorder. However here we’ve glided a little bit longer along the non plotted axis’

Ultra Fractal, formula Pentic Parameterspace3 in the sp3-module written by my dear friend Stig Pettersson, Greenseng here at DeviantART. All his modules, as well as mine can be downloaded from [link]

Below the parameter file, play and have fun

UnderTheVolcano {
fractal:
title="Under the Volcano" width=640 height=480 layers=1
credits="Ingvar Kullberg;11/18/2010"
layer:
caption="M1=M4" opacity=100 method=multipass
mapping:
center=-0.0059271731787935/0.972618511361645 magn=3201.6793
formula:
maxiter=25000 filename="sp3.ufm" entry="PenticParameterspace3"
p_PlottedPlane="1.(a-real,a-imag)" p_M=M1 p_SetBorders=no p_hide=yes
p_areal=0.0 p_aimag=0.0 p_breal=0.46 p_bimag=0.0 p_creal=-0.46
p_cimag=0.0 p_dreal=0.0 p_dimag=0.0 p_xrot=0.0 p_yrot=0.0
p_xrott=0.0 p_yrott=0.0 p_xrotu=0.0 p_yrotu=0.0 p_xrotv=0.0
p_yrotv=0.0 p_xrotr=0.0 p_yrotr=0.0 p_xrots=0.0 p_yrots=0.0
p_zrot=0.0 p_LocalRot=no p_diff=no p_bailout=100.0 p_dbailout=1E-6
inside:
transfer=none
outside:
density=2 transfer=linear
gradient:
comments="Kerry Mitchell/n /nrainbow gradient with green negated"
smooth=yes rotation=-130 index=33 color=127 index=83 color=16638
index=102 color=47359 index=151 color=1316903 index=203
color=7281801 index=228 color=16711551 index=283 color=16695296
index=307 color=16646144 index=382 color=2561812
opacity:
smooth=no index=0 opacity=255
}