Popular Astronomy


Join the SPA Now

Moon Today

The phase of the moon for today. Updates every 4 hours
Courtesy U.S.N.O.

Sky Tonight


See how the sky will look tonight with our Sky Chart

Popular Astronomy

Popular Astronomy Magazine - July-September 2017
See what's in the July-September 2017 edition of 'Popular Astronomy' magazine. Click the cover to find out.

Follow popastro on Facebook 

Follow popastro on Twitter 

2013-10-12: The Cambridge Observatories in 1953 - Mark Hurn

SPA Convention, 12 October 2013

To view the video at a larger size on the Vimeo site, click on the title below the window.

The Cambridge Observatories in 1953 (30 min) from Society for Popular Astronomy on Vimeo.