Refactor the radec() method into a superclass
Refactor the radec() method into a superclass

exoanalytic/python-skyfield,GuidoBR/python-skyfield,skyfielders/python-skyfield,ozialien/python-skyfield,GuidoBR/python-skyfield,exoanalytic/python-skyfield,ozialien/python-skyfield,skyfielders/python-skyfield