Just pictures for now... Come back later if you want to know more!


Observing satellites of planets



Ranging the Moon



Synchronizing clocks with light pulses

The T2L2 mission website at CNES is here.

The initial paper describing the experiment (1996) is here


Writing telescope and instrumentation experiment control software


For the Bohyunsan Optical Astronomy Observatory 1.8m Ritchey Cretien reflector (Mt Bohyun, South Korea).


For the Zimlat satellite laser-ranging station (Zimmerwald, Switzerland).


For the Themis solar telescope (Teide, Tenerife, Canary Islands).