Cloud Weight Pressure

If we want to have a section on this showing how little difference it makes for the filtering scale adopted.  We probably have some stats available from Ronan, but no figures, other than the native & filtered column density maps.

Acknowlegements
Include software: Astropy library \citep{Robitaille13}

Ronan's text accompanying the previous sections

Data / Methods

\subsection{Astronomical Observations}