From Dr. David Dunham, IOTA (International Occultation Timing Association)
Click here to view a list of targets for 2010 for which lightcurve support will be needed.
Derek Breit's Occultation Maps
Be sure to check other links on the IOTA main page as well.
For ideas on how to do accurate occulatation timing using a CCD camera, see John Oliver's page.