au.buildBoxRegion(blc, trc, coordsys='J2000')
CASA <8>: au.buildBoxRegion((4.5418735951382789, -0.62397780572327677), (4.5418656880695458, -0.62396874358594945)) 17:20:55.24514, -035.45.04.661200 17:20:55.13641, -035.45.02.792000 Out[8]: 'box [[17:20:55.24514, -035.45.04.661200], [17:20:55.13641, -035.45.02.792000]] coord=J2000'-- ToddHunter - 2013-07-18