6. Fickle Fields: Are Transient Magnetic Reversals Real?

Contributed by Brian Harker. Posted on February 21, 2014

We present observations from SDO/HMI of a magnetic transient observed in NOAA 11429 during the M7.9 flare on 13 March 2012. The observed transient showed an impulsive rotation of the field vector in response to the white-light flare.

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.

HMI Science Nuggets

Tag Archives: sunspots

6. Fickle Fields: Are Transient Magnetic Reversals Real?

3. The Biggest Sunspots Produced by Cycle 24