Via this thread on the SPA's BB, a new online planetarium written in Flash. To quote the opening page:
The Flash Planetarium Project aims to produce the best online planetarium available, allowing you to view the night sky from anywhere in the world from within your browser (no telescope required!)Pop over and take a look. It's still in the early days of development and Andy is looking for feedback.
If you've a passing interest in Astronomy or you're are an enthusiastic amateur astronomer or science buff, then we're sure that you'll find this site interesting and above all, fun!