edu.ucar.opensky::technotes:463 UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact 2025-12-26T17:46:44.977922 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) https://n2t.org/ark:/85065/d7v987hn A Microfilm Atlas of Magnetic Fields in the Solar Corona 1973-01-01T00:00:00Z publication https://n2t.org/ark:/85065/d7v987hn https://doi.org/10.5065/D6HT2M8N Newkirk, G. author Trotter, D. author Altschuler, M. author Howard, R. author UCAR/NCAR - Library publisher This is a Microfilm atlas of magnetic fields in the solar corona. The original item included a text of 26 pages and 11,000 maps on 11 reels of microfilm. This Atlas contains 11,000 maps of the calculated potential (or current-free) magnetic fields of the solar corona between August 1959 and June 1970. For each solar rotation in this interval, there are two sets of maps. The first set of maps shows the geometry of the coronal magnetic field but includes field lines originating from both strong or weak fields at the photosphere. (However, no field lines are drawn from a photospheric region if the calculated field strength there is less than 0.08 Gauss.) The second set of maps shows field lines which emanate from the regions of strongest photospheric magnetic field. Each set provides one map for every 100 interval of solar longitude or 36 maps for each rotation. UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact PDF Text theme Resource Type 2016-01-01T00:00:00Z publication Magnetic fields/magnetic currents Corona theme U.S. National Aeronautics and Space Administration Global Change Master Directory GCMD 2021-09-17 revision 11.2 NASA Global Change Master Directory originator Valids List: Science and Services Keywords Copyright Author(s). This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. None eng geoscientificInformation