From 1982
-1990, Tarija was developed and used in cooperation with the Academy of
Sciences, USSR to perform
astrograph observations for Southern Hemisphere Astrometry and improvement of
the FOCAT-S Catalogue for
its altitude, southern exposure and clear nights.
In
its period of operation from 1982-1989, Tarija compiled an immense body of
work with its 4 instruments:
Expedition Astrograph Refractor: 230mm f/10
Zeiss Reflector: 600mm f/12.5
AZT Reflector: 200mm
Mitzar Reflector: 110mm