The planet is 600 light years from Earth and is rotating around a star every 290 days. http://en.wikipedia.org/wiki/Kepler-22b
That is a heck for a windage hold for a lazer shot. 1200 years between shots.
*Left 3.5 light years, hold right 7 light years. Did you bring any more beer while we're waiting?
“*Left 3.5 light years, hold right 7 light years. Did you bring any more beer while we're waiting?”
Did you remember to correct for solar windage?