Yes, you can catch Rayquaza at the top of Sky Pillar before facing the Elite 4.
you cant it is only in emerald unless you trade.
Sky Pillar they tell you at the harbor in lilycove
depending on the game there r certain Pokemon u cannot catch like say on emerald u cant catch palkia or dialga so on diamond u cant catch raquaza sorry
don't think so but you can in sapphire ruby emerald in the sky pillar but not for sure about emerald
No just plenty of ultra balls.
Emerald has a hardness measure of 7.5-8 on Moh's scale of hardness.
Go back to the sky pilar with your mach bike and get to rayquaza and use Timer, Ultra, and Master balls.
to catch raquaza easily on emerald, use the master ball at the start of the battle... and you're done!
you have to beat the elite four then catch raquaza
Yes
Sky Pillar
Yes, you can only catch raquaza once on the tower without cheats. So better not miss the chance!!!