作者： G. Lustig , H. Wöhl
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摘要: The data bases of the Greenwich Photoheliographic Results and similar from Kanzelhohle are used to determine meridional motions a special sample identical stable recurrent sunspots within period 1948 until 1976. determined by two different methods: linear fits latitudes during sunspot disk passage mean at about central meridian passages recurrencies. latter method is more reliable allows also an indication for braking with aging spots