I think it's filmed in British Columbia...hence why a lot of the scenery when they're on certain planets doesn't look that much different from WA. ;-) Odd how most of the planets they land on are rainy places with tall, straight evergreens...
Which network owns the production, though, I dunno.
Speaking of "Battlestar," here is a completely bizarre thread.
http://www.freerepublic.com/focus/f-news/1779787/posts?q=1&&page=1#1
Space shuttle astronaut arrested at OIA on attempted kidnapping, battery charges