HMI Science Nuggets in January 2018

February 1, 2018, from Richard Morton

We announce three HMI Science Nuggets for January 2018.
#82 “A Super-Synoptic Map of HMI Flux Density”, contributed by Leif Svalgaard (

#83 “Observing and modeling the poloidal and toroidal fields of the solar dynamo”, contributed by Robert Cameron (

#84 “Abrupt and Permanent Changes of the Photospheric Magnetic Field During 75 flares observed with HMI”, contributed by Sebastián Castellanos Durán (

We welcome submissions on work related to HMI scientific goals. More information can be found at