Understanding the usage of the Helioviewer Project clients and services

Jack Ireland1, Serge Zahniy1, Daniel Mueller2, Bogdan Nicula3, Freek Verstringe3, Bram Bourgoignie3, Eric Buchlin4 and Pablo Alingery5, (1)ADNET Systems Inc. Greenbelt, Greenbelt, MD, United States, (2)European Space Agency, ESTEC, Villanueva De La Can, Spain, (3)Royal Observatory of Belgium, Solar Influences Data Analysis Center, Brussels, Belgium, (4)Université Paris-Saclay, CNRS, Institut d'Astrophysique Spatiale, Orsay, France, (5)CNRS, Institut d'Astrophysique Spatiale, Orsay Cedex, France