AR1654 is a Monster Sunspot. (And It's Aiming Our Way.) By Jason Major January 11, 2013 Active Region 1654 on the Sun's western limb, seen by SDO on Jan. 11 (NASA/SDO/HMI team. Diagram by J. Major.) Jason Major Previous Article ← Private Test Pilots to Fly 1st Commercial Crewed Space Flights for NASA Next Article Asteroid Apophis: Bigger, Darker But Not a Threat in 2036 →