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Debrecen Photoheliographic Data 1987 Catalogues: combined data: DPD1987.txt, daily data: dDPD1987.txt, group data: gDPD1987.txt, spot data: sDPD1987.txt Images of sunspot groups: 1987group_fits, 1987group_jpg Full-disk white-light observations: 1987fd_small_jpg, 1987fd_large_jpg, 1987fd_large_fits Magnetic observations: 1987magn (original), 1987magn_jpg (quick-look, solar north at the top) |
ACKNOWLEDGMENT The DPD 1987 was supported by grants of the Hungarian National Foundation for Scientific Research Nos. OTKA T025640, F019829, P31104 as well as by U.S.-Hungarian Joint Fund for Science and Technology under contract No. 95a-524. The digitization of the full-disk white-light observations was supported by the SOTERIA (FP7 SP1-Cooperation) under grant agreement No. 218816. |