Starstruck

Sirius and Canopus are the only two stars with significantly negative"magnitudes". Alpha Centauri and Arcturus (the 3rd and 4th brightest stars in the sky) have magnitudes very close to 0.0 (actually just slightly negative), and all the remaining stars have positive magnitude. Only about a dozen stars have magnitude less than (i.e., brighter than) 1.0.