Observatories & Planetariums around Oregon

Observatories & Planetariums in the Northwest

It is a great article about Star Trails
http://starcircleacademy.com/startrails/#To_Stack_or_Not_To_Stack
Some beautiful star trails here: https://www.flickr.com/photos/maguire33/14726697820/in/pool-starstax/

Star Trails from India from Ajay Talwar on Vimeo.