NASA_Extragalactic_Database M96 10:46:45.7 +11:49:12 z=0.002992 V=10.11 SAB(rs)ab;Sy Finding Chart Airmass Table Major Diameter = 7.6 arcmin; Minor Diameter = 5.2 arcmin M51 13:29:56.2 +47:13:50 z=0.002000 V=8.6 SAbc Finding Chart Airmass Table Size = 9. arcmin NGC-6946 20:34:52.3 +60:09:14 z=0.000160 V=9.6 SAB(rs)cd Finding Chart Airmass Table Size = 11.5 X 9.8 arcmin. The "Fireworks Galaxy".