Watch Live Webcast: Countdown to Comet ISON

We're all watching what's happening with Comet ISON, and today, November 21, 2013 Astronomy Magazine and Discover Magazine are hosting a "Countdown to Comet ISON" Google Hangout event, where the magazines' expert editors will have all your comet questions answered. all the action starts at 20:00 UTC (3 pm EST). With ISON reaching its brightest this month, Astronomy Editor-in-Chief Dave Eicher, Discover Editor-at-Large Corey Powell and several others will discuss things like:

· When and where can you spot Comet ISON?

· How best to photograph the comet

· What scientists hope to learn from ISON

· Other amazing facts about comets across the ages

We'll post the video feed here when it goes live, but can also watch (and RSVP)

at the G+ event page.

If you miss it live, you can watch the replay above.