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Debrecen Photoheliographic Data 1997 Catalogues: combined data: DPD1997.txt, daily data: dDPD1997.txt, group data: gDPD1997.txt, spot data: sDPD1997.txt Images of sunspot groups: 1997group_jpg Full-disk white-light observations: 1997fd_large_jpg, 1997fd_large_fits Magnetic observations: 1997magn (original), 1997magn_jpg (quick-look, solar north at the top) |
ACKNOWLEDGMENTS The DPD 1997 was supported by grants of the Hungarian National Foundation for Scientific Research No. OTKA T037725 as well as by SCOSTEP as supplemental STEP project entitled "Sunspot Blocking Database" and by the ESA PECS contract No. 98017. |