declination
noun [ C ] uk/ˌdek.lɪˈneɪ.ʃən/ us/ˌdek.ləˈneɪ.ʃən/
astronomy specialized偏角，磁偏角，赤纬
an angle that gives the position of a point in space in relation to earth
The asteroid Toutatis is easiest to see in early September, when it lies at higher declinations. 小行星“图塔蒂斯”九月初时位于较高赤纬，因此最容易看到。