Classification of Continuous Sky Brightness Data Using Random Forest

Figure 1

Illustration of nightly SQM data acquired in various conditions: overcast (class-2), cloudy (class-3), clear sky (class-4), cloudy moonlit (class-5), and clear moonlit (class-6). Raw data are displayed as gray dots while median filtered data are in color. Probability density function (PDF) constructed using whole month data is displayed on the right panel as reference.