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Description
We present in this study a recent analysis of the challenges surrounding the preservation of night sky quality in astronomical observatories, focusing particularly on the Oukaimeden Observatory in Morocco's Atlas Mountains. This work draws on recent research into light pollution, its impacts on astronomical observations, and mitigation strategies.
Findings reveal that increasing electrification in protected areas, coupled with the improper use of lighting technologies, exacerbates light pollution. Data collected over two years using the CoSQM instrument provide insights into the night sky brightness (NSB) and the contributions of lighting technologies in nearby municipalities. Additionally, numerical models like ILLUMINA identify key sources of artificial light.
A growing concern addressed in this study is the contribution of satellite constellations to sky pollution, which introduces significant challenges for astronomical observations. Early results from observations conducted at the Oukaimeden Observatory, in collaboration with the IAU’s Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference (IAUS-CPS), highlight the measurable impact of satellite trails on astronomical data quality. These findings underline the urgency of developing coordinated strategies to mitigate both terrestrial and orbital sources of light pollution.
The results emphasize the necessity of enforcing stringent lighting practices to safeguard dark skies. This study also advocates for the establishment of an international dark sky reserve around the observatory to ensure optimal conditions for future astronomical observations and to protect this unique environment from the detrimental effects of artificial lighting and satellite interference.
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