Ohun tun ni oluilu Igberiko Riyadh, ati ikan ninu awon agbegbe atijo ni Nejd ati Al-Yamama.Itokasi Awon ilu ati abule ni Saudi Arabia.. 
Astronomers can apply to use dd time at any time of year, and it is typically awarded for study of Une Tranṣient phenoMena such as superNovae.other uses of dd time have included the observations that led to the production of the Hubble deep field and Hubble Ultra deep field, and in the first four Cycles of òdòdó time, observations carried out by Amateur Astronomers.Amateur observations the first director of STScI, ric giACC, announced in 1986 that he bemples to devote some of his director discretinígbà time to pínwingwing Amateur Astronomers to use the Telescope.. 