What is magnetically quiet time?

Matthew Michael Friel1, Jesper W Gjerloev1, Shinichi Ohtani1, Polly Martin2, Marc Muhleisen2, Nils Olsen3, Haje Korth1 and Brage Foerland4, (1)Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States, (2)Georgetown Day School, Washington DC, DC, United States, (3)Technical University of Denmark - Space, Kongens Lyngby, Denmark, (4)University of Bergen, Bergen, Norway