3C 273 Quasar finder

Other finders;

http://www.cs.cmu.edu/~zhuxj/astro/html/quasar3c273.html

http://www.astrosurf.com/jwisn/3c273.htm

http://en.wikipedia.org/wiki/3C_273

HST image of M77 Active Nucleus

M77 Finder

NGC2419  Finder