Hi,
According to the tables I got this week, tonight it is
Comet C/2009 P1 (Garradd)
RA 18 10 47.2, Dec +19 25 45.1, Mag 9.6, Times about 19.30 on
This is from Sydney
http://ssd.jpl.nasa.gov/horizons.cgi#results
Edit: Heavens Above gives the same position, but Mag 8 !
Cheers