On Mon, 03 Oct 2005 22:16:04 +0100, Mark Annand wrote:

I was totally surprised that while things became noticeably gloomier
as the eclipse progressed, it wasn't until close to totality that
things started to fall of a cliff so to speak.

When you see the shadow from space it's obvious:

http://antwrp.gsfc.nasa.gov/apod/ap990830.html

{light level} There's a plot on this page:

Fascinating.

--
Cheers
Dave. pam is missing e-mail