Cool Mandelbrot. Copyright ©  2004  <a href="https://en.wikipedia.org/wiki/User:Rfl" class="extiw" title="en:User:Rfl">Rafał Pocztarski</a>. <a href="//commons.wikimedia.org/wiki/Mandelbrot_set" title="Mandelbrot set">Mandelbrot set</a> magnified 248,034,982,258 times, 256 iterations The dimensions are 770×523 pixels because it is a scaled down version of the original image prepared for a poster printed on <a href="//commons.wikimedia.org/w/index.php?title=ISO_216&amp;action=edit&amp;redlink=1" class="new" title="ISO 216 (page does not exist)">ISO 216</a> paper sizes with equal horizontal and vertical margins of 2 inches for <a href="//commons.wikimedia.org/w/index.php?title=ISO_216&amp;action=edit&amp;redlink=1" class="new" title="ISO 216 (page does not exist)">A0</a>. The original PostScript converted to bitmap using custom tools # bitmap scaled down to 770×523 pixels and converted to a very low quality <a href="//commons.wikimedia.org/w/index.php?title=JPEG&amp;action=edit&amp;redlink=1" class="new" title="JPEG (page does not exist)">JPEG</a> using <a href="//commons.wikimedia.org/w/index.php?title=The_Gimp&amp;action=edit&amp;redlink=1" class="new" title="The Gimp (page does not exist)">The Gimp</a> (quality 90, optimized, progressive, standard subsampling and DCT method)
<a href="//commons.wikimedia.org/wiki/User:Rfl" title="User:Rfl">Rafał Pocztarski</a>
CC BY 2.0
<span class="int-own-work" lang="en">Own work</span>