... This popular group is famous as the Leo Triplet - a gathering of three magnificent galaxies in one field of view. ... All three are large spiral galaxies. ... One of the nearer supernovas of recent years was discovered last month in the bright nearby galaxy M100. The supernova, dubbed SN 2006X, is still near its maximum brightness and visible with a telescope.. Unexpected Comet Pojmanski Now Visible . ... Comets bright enough to be visible to the unaided eye appear only every few years. ...