▁taking ▁second ▁epo ch ▁phot ographic ▁pl ates ▁for ▁proper ▁motion ▁studies . ▁ ▁In ▁ 1 9 6 8 , ▁the ▁Low ell ▁Observ atory ▁of ▁Flag st aff ▁Arizona ▁USA , ▁located ▁a ▁ 2 4 - inch ▁Bol ler ▁and ▁Ch iv ens ▁teles cope ▁at ▁the ▁Per th ▁Observ atory ▁as ▁part ▁of ▁the ▁International ▁Planet ary ▁Pat rol ▁Program . ▁The ▁program ▁was ▁designed ▁to ▁collect ▁ 3 5 mm ▁phot ographic ▁data ▁on ▁the ▁atmos pher ic ▁and ▁surface ▁features ▁of ▁Sol ar ▁System ▁plan ets , ▁mostly ▁Mars , ▁Jup iter ▁and ▁Ven us ; ▁Harris ▁was ▁to ▁be ▁a ▁regular ▁observer ▁outside ▁his ▁normal ▁day time ▁Government ▁Astronom er ▁role . ▁ ▁Harris ▁was ▁successful ▁in ▁increasing ▁the ▁technical ▁and ▁astronom ical ▁staff ▁numbers ▁at ▁the ▁new ▁B ick ley ▁Per th ▁Observ atory ▁as ▁its ▁role ▁moved ▁to ▁that ▁of ▁more ▁of ▁a ▁scientific ▁function , ▁however ▁Harris ▁also ▁restart ed ▁the ▁public ▁t ours ▁on ▁ 2 3 ▁October ▁ 1 9 6 6 ▁and ▁maintained ▁the ▁provision ▁of ▁information ▁services ▁to ▁Western ▁Australia . ▁Harris ▁also ▁continued ▁time ▁and ▁t ide ▁services ▁for ▁Western ▁Australia , ▁however ▁as ▁had ▁been ▁the ▁case ▁in ▁ 1 9 0 8 ▁for ▁Meteor ology , ▁the ▁move ▁saw ▁se ism ic ▁monitoring ▁activities ▁being ▁re located ▁to ▁M und aring ▁under ▁the ▁Commonwealth ▁Government ▁control . ▁ ▁Harris ▁was ▁responsible ▁for ▁the ▁August ▁ 1 9 7 3 ▁I AU ▁Sym pos ium ▁No .