Reconstructions of 22 GHz VLBA+GBT observations and their resulting source extents. MK and SC have no detections, and HN and NL are flagged due to their very low sensitivity in this experiment. Left: a simple reconstruction of the scattered image without ℛ_Σ. Center: a reconstruction of the scattered image via stochastic optics (Johnson 2016), using the scattering model by Johnson et al. (2018). Right: a reconstruction with stochastic optics, using ℛ_Σ and the input source size as determined by Johnson et al. (2018) from high-precision Gaussian model fitting: θ_maj = 2255 ± 61 μas, θ_min = 1243 ± 39 μas, ϕ = 81.9 ± 0.2°. The reconstruction with ℛ_Σ helps constrain the extent of the source in the north–south direction, where measurements are lacking due to the predominantly east–west configuration of the VLBA+GBT.