Muchidimbu: Muna 1880, Johann Palisa, mutungamiriri weAustria Naval Observatory (538), akapihwa chinzvimbo semubatsiri paVienna Observatory ichangopedzwa. Kunyange zvazvo basa racho raimiririra kudzikiswa kwaJohann, rakamupa mukana wekuwana iyo nyowani 27-inch (690 mm) refractor, iyo huru teresikopu pasi rose panguva iyoyo. Panguva ino Johann akange atowana 27 asteroids, uye aizoshandisa Vienna 27-inch (690 mm) uye 12-inch (300 mm) zviridzwa kuti awane mamwe 94 asteroids asati aenda pamudyandigere.Pakati pezvakawanikwa zvake paive asteroid 253 Mathilde, yakawanikwa munaNovember 12, 1885. Zvimiro zvekutanga zvemuchadenga zveasteroid zvakaverengerwa naV. A. Leufbeaker, mumwe muongorori weAustria aishanda kuParis Observatory. Zita reasteroid rakataurwa naLeufbeaker, mudzimai waJohann, rakamupa mukana wekuwana iyo nyowani 27-inch (690 mm) refractor, iyo yakakura kwazvo teresikopu pasi rose panguva iyoyo.
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