This motive is a zoom in the rays to the right in Twilight over the Dark Planet [link]

BTW, took about eight hours to render on my 2.6 GHz machine

Ultra fractal. Formula, Pentic Parameterspace3. No filters or post processing.

TwilightIsComing {
fractal:
title="Twilight is coming" width=640 height=480 layers=1
credits="Ingvar Kullberg;12/12/2008"
layer:
caption="PCL+SetBorders" opacity=100 method=multipass
mapping:
center=0.03800985667085/1.30315719671 magn=168.22898
formula:
maxiter=10000 filename="sp3.ufm" entry="PenticParameterspace3"
p_PlottedPlane="1.(a-real,a-imag)" p_MCL p_SetBorders=yes
p_hide=yes p_areal=0.0 p_aimag=0.0 p_breal=0.0 p_bimag=0.0
p_creal=0.0 p_cimag=0.4 p_dreal=0.0 p_dimag=0.5945 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:
transfer=linear
gradient:
smooth=yes index=8 color=1052688 index=34 color=16769018 index=45
color=16252927 index=53 color=1906704 index=184 color=10495
opacity:
smooth=no index=0 opacity=255
}