Comets

C/2012 S1 (Comet ISON) – Non-Periodic Comet

C/2007 N3 (Comet Lulin) – Non-Periodic Comet

C/2007 N3 (Comet Lulin) near 77-Sigma Leonis

Saturn, 77-Sigma Leonis and Comet Lulin

17P/Holmes (Comet Holmes) – Short-Period Comet

C/2004 Q2 (Comet Machholz) – Long-Period Comet