3. The Biggest Sunspots Produced by Cycle 24 Contributed by Aimee Norton. Posted on January 30, 2014 Even though Solar Cycle 24 is weak, it has still produced some large sunspots. We list the largest sunspots as observed by HMI and discuss some aspects of the data.
2. Testing Hemispheric Rule of Helicity with HMI Data Contributed by Yang Liu. Posted on January 26, 2014 Hemispheric helicity preference in groups of active regions with different properties suggests different origins of magnetic twist.