Ancient times the correspondence of the twenty-eight lunar mansions and the region were conformed to the following two rules at the same time:First,latitude rule,namely south constellation correspond south region,nort...Ancient times the correspondence of the twenty-eight lunar mansions and the region were conformed to the following two rules at the same time:First,latitude rule,namely south constellation correspond south region,north constellation correspond north region;Second,the longitude correspondence rule,namely each month of observation correspondence constellation from the Eastern horizon rise,not the diurnal length change influence.All could be observed in the ancient times "the central time" about 5:30,only should change 12 observations regions according to the longitude position,this different region was the corresponding different constellation.Now spreads "12 dividing lines" to origin from the Shang Dynasty,its division principle is展开更多
文摘Ancient times the correspondence of the twenty-eight lunar mansions and the region were conformed to the following two rules at the same time:First,latitude rule,namely south constellation correspond south region,north constellation correspond north region;Second,the longitude correspondence rule,namely each month of observation correspondence constellation from the Eastern horizon rise,not the diurnal length change influence.All could be observed in the ancient times "the central time" about 5:30,only should change 12 observations regions according to the longitude position,this different region was the corresponding different constellation.Now spreads "12 dividing lines" to origin from the Shang Dynasty,its division principle is
