Purpose of the flight and payload description



*** PAYLOAD DESCRIPTION WILL BE AVAILABLE SOON ***

Details of the balloon flight

Balloon launched on: 9/2/2025 at 11:52 UTC
Launch site: Timmins Stratospheric Balloon Base, Ontario, Canada  
Balloon launched by: Centre National d'Etudes Spatiales (CNES)
Balloon manufacturer/size/composition: Zero Pressure Balloon model 100z Hemeria - 100.000 m3
Balloon serial number: 100 Z Nº 155
Flight identification number: NIMBUS 4
End of flight (L for landing time, W for last contact, otherwise termination time): 9/3/2025 at 1:48 UTC (L)
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 13 h 56 m
Payload weight: 301 kg
Overall weight: 925 kg

External references

Images of the mission

     

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