Happy Halloween, from Wellesley College Whitin ObservatoryOctober 31, 2014 by Bob Brownhttp://instagram.com/p/u0uBKeq-OD/?modal=trueVia Isabellamcd on Instagramhttp://instagram.com/p/u0wcljqFOV/?modal=trueVia Wellesley College on InstagramMORE: Wellesley College Whitin Observatory public nights