Handle lack of precision in projection calculation
Handle lack of precision in projection calculation

aleksandr-bakanov/astropy,mhvk/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,mhvk/astropy,pllim/astropy,saimn/astropy,dhomeier/astropy,astropy/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,larrybradley/astropy,pllim/astropy,lpsinger/astropy,larrybradley/astropy,mhvk/astropy,dhomeier/astropy,lpsinger/astropy,mhvk/astropy,larrybradley/astropy,dhomeier/astropy,StuartLittlefair/astropy,mhvk/astropy,astropy/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,pllim/astropy,lpsinger/astropy,dhomeier/astropy,astropy/astropy,StuartLittlefair/astropy,astropy/astropy,pllim/astropy,saimn/astropy,larrybradley/astropy,saimn/astropy,astropy/astropy,saimn/astropy,larrybradley/astropy,pllim/astropy,saimn/astropy,StuartLittlefair/astropy