[gregbradley]

Which ones are they that take that long?

I use them and some take maybe a minute but not more.

I use a duo core 2 laptop.

The main ones I use that are helpful are the increase star colour action and the reduce noise action. Reduce star size is also handy. There are others I use from time to time but not routinely.

He also adds to them every now and then.

There are a few free ones around. Chris Schur's website I think it is has a few free ones for galaxy processing.

Greg.