The number density of selected LBG candidates in Abell 2390 (orange diamonds) and Abell 2764 (purple diamons) compared to a range of T-type dwarf stars (700–1300 K) number densities at the Galactic latitudes of each field. Dwarf sky densities are highly uncertain and are estimated assuming a Solar position of 27 pc above the Galactic plane, an exponential radial scale height of 2250 pc with a vertical scale length of 300 pc (Ryan et al. 2022). See Wood et al. (in prep.) for details.