The water vapor is subtracted from lunar planetary images using hardware, software, and technique. The technique also works for multiple layers of cloud moisture, both large and small cracking, and is dependent on cloud delta x, the speed and distance at which a cloud moves in real time to the calculus of local weather conditions. Cracking is also possible for light haze and other sky conditions. In regions with clouds and non telescope days for two thirds of the year, cracking opens up sky observations and reduces non telescope days to only one third. Cloud cracking works well with large amped telescopes.
