Prof. Vienne is the director of Lille Astronomical Laboratory, IMCCE/Paris Observatory. He is the author/co-author of the TASS1.7, the ephemerides of the major satellites of Saturn. Prof. Vienne has also cooperated with us for the data-processing and analysis of CCD images.
We have taken observations at the Lijiang Observational Site of Yunnan Astronomical Observatory by the 2.4m telescope.
At the gate of Lijiang Observational Site
At the Lijiang Observational Site
Discussion in the joint laboratory