terrio 
Telescopio, sí, pero que sea uno del tipo Newton, no.
Posted on 1/13/11 12:23 AM

kokomo 
Absolutely no guessing necessary
Posted on 2/13/09 4:26 AM

luweewu 
Good one, but I had to guess at times.
Posted on 1/25/09 11:11 AM

lclaessens 
Not as easy as it seems
Posted on 1/18/09 12:59 PM

ahunter 
I like it!
Posted on 1/9/09 8:27 AM