Observation of Collision of Comet Shoemaker-Levy 9 with Jupiter at the Astronomical and Geophysical Observatory in Modra
Observation of cosmic ray positrons from 5 to 25 GeV
Observation of Cygnus X-1 in the energy range 100 keV-3 MeV
Observation of diffuse cosmic gamma rays in the 100-700 MeV energy range by the Cosmos-731 satellite
Observation of discrete VLF emissions at low latitudes and their generation mechanism
Observation of double-layer-like structures at rocket altitudes
Observation of electron acceleration in the ionospheric plasma near local plasma frequency by emission from a high-power onboard radio transmitter aboard the Intercosmos-19 satellite
Observation of electron and ion fluxes in the vicinity of Mars with the HARP spectrometer
Observation of electron bunching during Landau growth and damping
Observation of electron temperature anisotropy in the ionosphere - A review
Observation of events at very high Q2 in ep collisions and search for supersymmetry at HERA
Observation of features in the soft X-ray background flux
Observation of fourth vibrational overtone of hydrogen
Observation of gamma ray bursts and flares by the EGRET telescope on the Compton Gamma Ray observatory
Observation of giant planets and comets in the Far infrared and submillimeteric range
Observation of gravity waves during the extreme tornado outbreak of 3 April 1974
Observation of gravity waves in the high-latitude F-layer by using fixed frequency sounding
Observation of GRBs with the MAGIC Telescope
Observation of hard X-ray emission from GRO J1744-28 in the 20-200 keV band during declining phase
Observation of horizontal air showers with energies of 1 to 100 TeV