Some great photo's here, wish I had a decent camera.
Had a go myself with an old Canon Powershot A40 so it's not a great shot.
The 'star' above P1 is a dead CCD pixel element.
http://www.members.westnet.com.au/foo2/p1.jpg
Also took a lot of B+W shots with my old film SLR, will develop tonight and see how they turned out.