No that's not good. You need it brighter. You need it bright enough so when the
I.S.S. goes over, they're calling down saying, "Houston, are you seeing this". 
Thanks, Tommy!
I don't think I will be providing enough light for our astronauts to put a positive ID on it.
The double beam on the sight of the former Twin Towers and the beam coming from the Luxor Hotel in Las Vegas are 2 that I know they can pick out from outer space with the naked eye.