applies the mask when plotting
applies the mask when plotting

bretthandrews/marvin,albireox/marvin,bretthandrews/marvin,sdss/marvin,bretthandrews/marvin,sdss/marvin,sdss/marvin,albireox/marvin,albireox/marvin,albireox/marvin,bretthandrews/marvin,sdss/marvin