What is magnetically quiet time?

Matthew Michael Friel1, Jesper W Gjerloev1, Shinichi Ohtani2, Polly Martin3, Marc Muhleisen3, Nils Olsen4, Haje Korth1 and Brage Foerland5, (1)Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States, (2)Applied Physics Laboratory Johns Hopkins, Laurel, United States, (3)Georgetown Day School, Washington DC, DC, United States, (4)Technical University of Denmark - Space, Kongens Lyngby, Denmark, (5)University of Bergen, Bergen, Norway