1/ 6/2012 P/2012 G1 PANSTARRS 20.6
3/ 6/2012 C/2011 U3 PANSTARRS 14.5
10/ 6/2012 P/2003 O2 LINEAR 17.9
11/ 6/2012 138P Shoemaker-Levy 20.5
20/ 6/2012 P/2011 U1 PANSTARRS 20.7
http://www.minorplanetcenter.net/iau/Ephemerides/Comets/index.html