Inset: HSC image (in the g-band, ﹩\sim 2\buildrel{\,\prime}\over{.} 8\times 1\buildrel{\,\prime}\over{.} 8﹩ in size) of the candidate dwarf galaxy MADCASH J074238+652501-dw. The center of NGC 2403 is ﹩\sim 38^{\prime} ﹩ away, or ∼35 kpc in projection. Background image: color composite from SDSS-III (acquired via http://wikisky.org/) of NGC 2403.