The space of night is infinite, The blackness and emptiness Crossed only by thin bright fences Of logic
— Kenneth Rexroth "Theory of Numbers"
Look! Up in the sky?! … No, down on your iPhone. It’s the entire night sky on your iPhone! GoSkyWatch Planetarium is more than a mouthful, and I’m surprised it doesn’t make your iPhone heavier simply because of how much data it contains.
http://www.appleiphoneapps.com/2008/08/review-goskywatch-planetarium/#mo...
And a Free iPhone app "Stars"
http://nelix-dev.com/
Astrophotography equipment