Head over to Google Play or the iTunes Store to get it.
Change the date and time to whenever you plan on watching the eclipse. On the US East Coast, totality begins at 10:11 p.m. EDT, peaks around 10:47 p.m. EDT, and goes until 11:23 p.m. EDT.
While you wait for the lunar eclipse to start...
Learn why a lunar eclipse makes the moon appear red, what a supermoon is, and why it will make the event appear larger and brighter than normal.
We've also rounded up some tips on how to photograph the total lunar eclipse during your night under the stars.
Are you taking photos of the 'super' blood moon?
We'd love to share your shots! Please email your favorite highest-resolution images to ti-science@techinsider.io with a full credit, a link to your site or profile (if you'd like), and explicit permission for us to use your work.