Large-scale (~10°) emission features visible in soft X-ray photographs from the American Science and Engineering, inc. (AS&E) spectrograph telescope S-054 on Skylab have been superposed on H[alpha] Synoptic Charts [McIntosh, 1975] for Carrington Rotations 1601 through 1610. The charts identify loop arcades and loop complexes associated with strong magnetic fields, as well as coronal holes and areas devoid of emission loops. Although not adequate for the study of the geometry of individual features, the charts convey a global sense of coronal structure which is often difficult to obtain from individual (disk) images.

National Environmental Satellite and Data Information Service (NESDIS)

Sun