It took almost a week to get this image right, with the sunset at the colour I wanted and yes I did use a orange gradual filter, just to pump up the colour a little.
It is now found in many publication for the school, including a two page spread in the 2011 Annual.

Camera: Pentax K-7 Lens: Sigma 17-70 F2.8-4.5 DC Macro
Settings: ISO-100 @f8 / 2.5" with a Cokin 50% gradual orange filter