Pinwheel Galaxy
The 'Pinwheel Galaxy' is a name variously ascribed to the face-on spiral galaxies M101 (most frequently), the Triangulum Galaxy (M33), and M99 (NGC 4254, the Virgo Pinwheel).
The 'Pinwheel Galaxy' is a name variously ascribed to the face-on spiral galaxies M101 (most frequently), the Triangulum Galaxy (M33), and M99 (NGC 4254, the Virgo Pinwheel).