There is a so-called continuous viewing zone (CVZ), at roughly 90 degrees to the plane of Hubble's orbit, in which targets are not occulted for long periods.. 
Àìsàn pẹ̀lú àtọ̀gbẹ, Bach kú ní Oṣù keje ọjọ́ 28, ọdún 1750.Ìtọ́kasí àwọn Ọjọ́ìbí ní 1685àwọn ọjọ́aláìsí ní 1750àwon ènìyàn Ara Jemani.. 