March 7, 2012 - The dry Winter leads into Spring dust storms. In this storm, the dust layer was so thick, naked-eye sunspots were visible on the Sun. The Large spot on the upper right is AR1429, which was responsible for a large CME impact on March 8.
Camera: Canon 7D
Lens: Canon EF70-200 f2.8L
Tripod: Induro AT313 with BH-2 Ball Head
Exposure: ISO 1250, f32 @ 1/160 second
Location: El Paso, Texas
Published:3/8/2012: Astronomy.com - Photo of the day, "Naked-eye sunspots",