Prof.Mao Weijun (director of research department of solar instrument) and his team have finally finished installation on site and key adjustment after completion of design、manufacture and test for the tube.

  The result of eye observation by optical system indicates that image quality of chromosphere tube has been greatly improved and the best state can be reached. Requirement of design and observation have been completely met. At present solar team of Yunnan astronomical observatory makes it quickly to install and adjust CCD camera. It is hopeful to collect quickly high quality all-disc solar image.