What's said at the beginning of 'Astronomy Domine?'

Reprinted from the Echoes FAQ

That's Peter Jenner (the Floyd's manager) listing a bunch of stars, galaxies, and other stuff through a megaphone. Exactly what's being said is real hard to decipher, but here's what Mark Brown and I have managed :

And then a bit that seems to be a pre-flight countdown: Then, in the middle section of the song, you can hear something like:
Go Back