clears notebook output for readability
clears notebook output for readability

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