Browsing Royal Observatory of Belgium and the Planetarium by Author "Tavares O. C."
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Jupiter and Galilean satellites' positions obtained in April 1978 with the GPO 40 CM /f = 4 m/ of the ESO, La Silla
Debehogne H.; de Freitas Mourao R. R.; Tavares O. C. -
Minor planets' positions obtained in May-June 1980 at the GPO telescope of ESO La Silla - Two discoveries
Debehogne H.; de Freitas Mourao R. R.; Tavares O. C.Nunes M. et al. -
Observations of minor planets with the ESO large objective prism at La Silla in April 1979
Debehogne H.; de Freitas Mourao R. R.; Tavares O. C. -
Photographic observations of Jupiter and its satellites carried out in 1977 at the 40-cm double astrograph of the Observatoire Royal de Belgique
Debehogne H.; de Freitas Mourao R. R.; Tavares O. C. -
Photographic observations of Mars, Jupiter and its satellites, and Saturn carried out in 1978 by the 40 CM double astrograph of the Royal Observatory of Belgium
Debehogne H.; de Freitas Mourao R. R.; Tavares O. C. -
Positions of Comet Gonzalez (1981 g) in September 1981
Debehogne H.; de Freitas Mourao R. R.; Tavares O. C.Nunes M. R. et al. -
The positions of Pluto obtained during the period May-June 1980 - Observations carried out at the European Southern Observatory (ESO), La Silla
Debehogne H.; de Freitas Mourao R. R.; Nunes M. R.Tavares O. C. et al.