How to watch the longest 'blood moon' eclipse of the century

The long lunar eclipse predicted for early Saturday may produce an extra red blood moon, scientists say.

Source: Getty Images North America

The #BloodMoon Lunar #Eclipse is coming! Set the alarm and turn your eyes skyward for the show on Saturday morning. Current forecasts are showing some #cloud along the #NSW east coast, but fingers crossed, and we'll update on Friday. pic.twitter.com/ToBmIIJlF4