You might want to do some careful reading up on the rules for yourself. In particular the sections on Astral Perception in SR4A and Street Magic.

I don't worry I will. But to know that there's a chance that I can get past that damned -6 from his spirit makes me happy.

I was under the impression that mundane efforts at Stealth carried over to the Astral, just not purely physical modifiers.

I don't believe Concealment is a purely physical modifier, however, the way ruthenium is.


Not that it should matter. A pixie hovering down a street blasting magic is obvious on any plane.

While I agree that a pixie hovering down a street blasting magic is obvious on any plane, I do not think that the pixie would be immediately noticeable.