I'd like to know hot to keep up a constant server, with a constant op. What would be the best way to do this? I'd rather not keep my computer on, all day and night.

Ask for admins for an official IRC channel

I think

I never saw anyone asked this before though

/msg chanserv REGISTER channel password description
channel = channel name
password = password
description = A short line what the channel is for

...This is not really a beginner question...
But I'll still let it be here. :v

Note, you need to have operator (@) in the channel to register it, and you need to have a registered nick.

/nickserv register help
if your unsure on that.

And as it is registered, It stays there? On the list?