Data for recreating the figures and findings for the paper: "Characterising the performance of a drone-mounted real-time methane imaging system" The data is split into folders where each folder corrosponds to a figure in the paper. Each folder has basic instructions and explanations as to what the data is and how it is to be used. All data was processed using LabView SP1 2019 according to the procedures outlined in the paper. When generating the differential we note that the first image in each set could be either the "on absorption" or the "off absorption" state. This could lead to an inverse image of the gas. To account for this the initial subtraction direction could be toggeled to ensure the correct image is produced.