MIDDLE SB, EXTRANUC regions
ngc5055 (1 enucs)
ngc1097 (2 enucs)
ngc3521 (1 enucs)
ngc4321 (1 enucs)
ngc2976 (1 enucs)
ngc4254 (2 enucs)
ngc6946 (4 enucs)
ngc0628 (2 enucs)
ngc3938 (1 enucs)
m101 (4 enucs)
m33 (1 enucs)