Left: Three-color figure of the Orion region. Blue corresponds to H$\alpha$ emission from \cite{Finkbeiner2003}, yellow is extinction measured by \cite{Planck2011}, and purple is 26Al emission from \cite{Diehl1995}. Spines of the major molecular clouds in the region from \cite{Zucker2021} are shown with purple, green, and cyan dots corresponding to Orion \(\lambda\), Orion A, and Orion B, respectively. White dots correspond to the stars in OBP-B1. The blue star corresponds to the flux center of Barnard's Loop \cite{Reynolds1979}, and the orange star indicates the center of expansion of OBP-B1 from \cite{Swiggum2021}.
Right: Two-color combinations of the three main observables. Top right: H-alpha and extinction; Middle right: right displays H-alpha & 26Al; Lower right: 26Al and extinction. Subsequent 2D visualizations in this work are different combinations of observables from this figure.