SQM Ageing and Atmospheric Conditions: How Do They Affect the Long-Term Trend of Night Sky Brightness Measurements?

Sensors (Basel) · 2025 · PMC11768471 · PMID 39860886

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a clear trendno p-value reported

Over time, a clear trend towards lower values of AOD and higher values of solar irradiance can be observed.

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a possible trendno p-value reported

To check for a possible trend in the AOD values, the linear regression on those values was considered.

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an increasing trendno p-value reported

The situation is presented in Figure 17 b by an increasing trend of the modal values of NSB at Passo Valles, as AOD increases.

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