Actually, the magnification is 2 x 10^359; not sure how I missed that extra order of magnitude. Here's the parameter set:
three00 {
; Similar to:
;
http://classes.yale.edu/fractals/MandelSet/MandelScalings/; HRScaling/Midget300.html
fractal:
title="three00" width=320 height=240 layers=1
credits="Kerry Mitchell;9/12/2003"
layer:
caption="Layer 1" opacity=100 method=multipass
mapping:
center=-1.9999999999999999999999999999999999999999999999999999999999\
99999999999999999999999999999999999999999999999999999999999999999999\
99999999999999999999999999999999999999999999999999999643225664396618\
52224658242034900926942265581617082564244406089532095341856110462695\
59415490628286794516178700972122986354853480254194026614869173154340\
22372718984082957654492895386803516338/0 magn=2E359
formula:
maxiter=10000 percheck=off filename="Standard.ufm"
entry="Mandelbrot" p_start=0/0 p_power=2/0 p_bailout=4
inside:
transfer=none solid=4283451440 filename="lkm.ucl" entry="basic"
p_colorby=iteration
outside:
transfer=linear filename="lkm.ucl" entry="basic" p_colorby=iteration
gradient:
smooth=yes index=0 color=16777215 index=190 color=3098447 index=199
color=0 index=210 color=3098447
opacity:
smooth=no index=0 opacity=255
}