NGC 3672 is a spiral galaxy of the Hubble type SA (s) c in the constellation Becher south of the celestial equator , which is estimated to be 100 million light-years away from the Milky Way .

The object was discovered by astronomer William Herschel on March 4, 1786 using its 18.7-inchtelescope and later recorded by Johan Dreyer in the New General Catalog .