Comete più luminose
Garradd C/2009P1 Magn.7,5
21P/Giacobini-Zinner Magn.9.5
Altre comete al perielio
2/ 4/2012 P/2011 R3 Novichonok-Gerke mag.19.7
3/ 4/2012 242P Spahr mag.17.3
10/ 4/2012 58P Jackson-Neujmin mag.19.4
12/ 4/2012 163P NEAT 19.7
16/ 4/2012 C/2006 S3 LONEOS mag.12.4
30/ 4/2012 171P Spahr mag.18.0
Per le effemeridi:
http://www.minorplanetcenter.net/iau/Ephemerides/Comets/index.html