HIGH SB, EXTRANUC regions ngc4736 (1 enucs) ngc3627 (3 enucs) ngc5713 (2 enucs) ngc2976 (1 enucs) ngc6946 (2 enucs) ngc0628 (1 enucs) m101 (2 enucs) m33 (4 enucs) ngc4631 (1 enucs)