Akatsuki :The Venus Climate Orbiter Akatsuki is a spacecraft developed in order to unravel the mysteries of the atmosphere on Venus. The spacecraft was launched from the Tanegashima Space Center on May 20, 2010 (UTC) and became the first Japanese probe to enter orbit around a planet other than the Earth on December 7, 2015.
Akatsuki/IR1 :1 micron camera (IR1), on board Akatsuki, by utilizing the wavelength bands around 1 micron, which allows for seeing below clouds and near the surface of Venus, and by comparing infrared intensities of different bands, it allows to investigate the movement of clouds in the lower atmosphere, the distribution of water vapor, the mineral composition of the surface, and can check for the presence of active volcanoes.id:Akatsuki/IR1.a