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 

2014-04-27 Geoff Elston -- Solar Filters

London meeting 27 April 2014

Geoff Elston: Solar filters from Society for Popular Astronomy on Vimeo.