Articles with "night sky" as a keyword



Impact of light pollution on the visibility of astronomical objects in medium-sized cities in Central Europe on the example of the city of Rzeszów, Poland

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Published in 2019 at "Journal of Astrophysics and Astronomy"

DOI: 10.1007/s12036-019-9586-1

Abstract: This paper discusses the influence of light pollution of the night sky on the conditions of visibility of astronomical objects such as planets, stars and comets. This phenomenon has a huge impact on the observability… read more here.

Keywords: night sky; light pollution; astronomical objects;

Modelling the night sky brightness and light pollution sources of Montsec protected area

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Published in 2018 at "Journal of Quantitative Spectroscopy and Radiative Transfer"

DOI: 10.1016/j.jqsrt.2018.05.037

Abstract: Abstract We proceeded to the modelling of the night sky brightness of Montsec area (north-east of Spain), an astronomical protected area certified as a Starlight Reserve. We have used the hyperspectral version of ILLUMINA, an… read more here.

Keywords: night sky; sky brightness; modelling night; area ... See more keywords

Natural experiments from Earth Hour reveal urban night sky being drastically lit up by few decorative buildings

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-05279-4

Abstract: Light pollution, a typically underrecognized environmental issue, has gained attention in recent years. While controlling light pollution requires sustained efforts, Earth Hour offers a unique natural experimental setting to assess temporary lights-out measures. Using photometric… read more here.

Keywords: hour; earth hour; night sky; light pollution ... See more keywords

Fisheye Night Sky Imager: A Calibrated Tool to Measure Night Sky Brightness

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Published in 2024 at "Publications of the Astronomical Society of the Pacific"

DOI: 10.1088/1538-3873/ad6bc1

Abstract: The Night Skies Team of the U.S. National Park Service (NPS) has developed a new camera system equipped with a fisheye lens to measure night sky brightness. This NPS Fisheye Night Sky Imager comprises a… read more here.

Keywords: sky imager; fisheye night; night; sky ... See more keywords

Aerosol parameters for night sky brightness modeling estimated from daytime sky images

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Published in 2023 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stad1570

Abstract: Atmospheric turbidity is one of key factors influencing the propagation of artificial light into environment during cloudless nights. High aerosol loading can reduce the visibility of astronomical objects, thus the information on atmospheric pollution is… read more here.

Keywords: sky; sky brightness; aerosol parameters; night ... See more keywords

An accurate and realistic polarization model for night-sky brightness

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Published in 2024 at "Monthly Notices of the Royal Astronomical Society: Letters"

DOI: 10.1093/mnrasl/slae048

Abstract: Most measurements of the diffuse light of the night sky to date consider only the intensity of the light field, and current models can successfully reproduce these measurements. However, this approach is incomplete as it… read more here.

Keywords: polarization; night; model night; night sky ... See more keywords

A linear systems approach to protect the night sky: implications for current and future regulations

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Published in 2020 at "Royal Society Open Science"

DOI: 10.1098/rsos.201501

Abstract: The persistent increase of artificial light emissions is causing a progressive brightening of the night sky in most regions of the world. This process is a threat for the long-term sustainability of the scientific and… read more here.

Keywords: night sky; night; light pollution; linear systems ... See more keywords

Relationship Between Darkness and Healing of Night Sky in Planetarium

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Published in 2025 at "International Journal of Environmental Research and Public Health"

DOI: 10.3390/ijerph22040569

Abstract: This study aimed to address the unexplored relaxing effects of stargazing with different night sky darknesses in a planetarium by conducting an experiment to investigate the physiological effects of the relaxation/stress state on brain and… read more here.

Keywords: relationship darkness; light pollution; planetarium; night ... See more keywords