Purpose of the flight and payload description

A balloon borne tunable diode laser spectrometer devoted to in-situ measurements, in high troposphere and stratosphere, of methane and water vapour.

Details of the balloon flight

Balloon launched on: 2/23/1999 at 10.33
Launch site: European Space Range, Kiruna, Sweden  
Balloon launched by: Centre National d'Etudes Spatiales (CNES)
Balloon manufacturer/size/composition: Zero Pressure Balloon model 35SF 35.000 m3
Balloon serial number: 35 SF Nº 86
End of flight (L for landing time, W for last contact, otherwise termination time): 2/23/1999 at ~ 14:00
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 3 h 28 m
Campaign: THESEO (Third European Stratospheric Experiment on Ozone) take place during 1998-99 to improve the understanding of the causes of ozone depletion over Europe and other mid-latitude regions. It involved more than 400 scientists from over 20 countries.
Payload weight: 347 kgs
Gondola weight: 113 kgs

External references

Images of the mission

Launch sequence with auxiliary balloon At left SDLA-LAMA instrument before flight and at right after the recuperation. Note the damage in the protection structure.

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