A large sunspot rotates across the view in SDO/HMI
A leisurely view in the SDO Helioseismic and Magnetic Imager (HMI) of a very large sunspot group transiting the solar disk in October of 2014. This spot was the visible light component of the active region cataloged as NOAA 12192.
GCMD keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 184.108.40.206.0