The current solar cycle is presently at around solar maximum when activity is supposed to be at its highest. But this solar cycle is one of the least active in history. Here are comparative hydrogen alpha and while light images of AR1654, the largest sunspot group in months to appear on the sun.
Date Imaged: January 13, 2013
Lens: Astrophysics 5
January 13, 2013
Astrophysics 5
NA
NA
Camera: Dragonfly2
Filter: Hydrogen alpha and Baader Herschel Wedge
Location: Stardust Observatory, Baguio, Philippines
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Dragonfly2
Hydrogen alpha and Baader Herschel Wedge
Stardust Observatory, Baguio, Philippines
60 P. Paterno St., Brgy. South Drive, Baguio City, 2600
Philippines