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This paper presents time series observations and analysis of broadband night sky airglow intensity 4 September 2018 through 30 April 2020. Data were obtained at 5 sites spanning more than 8500 km during the historically deep minimum of…

Solar and Stellar Astrophysics · Physics 2021-12-06 Albert D. Grauer , Patricia A. Grauer

Ground-based optical astronomy necessarily involves sensing the light of astronomical objects along with the contributions of many natural sources ranging from the Earth's atmosphere to cosmological light. In addition, astronomers have long…

Instrumentation and Methods for Astrophysics · Physics 2022-08-31 John C. Barentine

Satellite-collected nighttime light provides a unique perspective on human activities, including urbanization, population growth, and epidemics. Yet, long-term and fine-grained nighttime light observations are lacking, leaving the analysis…

Image and Video Processing · Electrical Eng. & Systems 2025-11-10 Jinyu Guo , Feng Zhang , Hang Zhao , Baoxiang Pan , Linlu Mei

In this paper, a total of about 28000 images in $V$ and $R$ band obtained on 161 nights using the one-meter optical telescope at Weihai Observatory (WHO) of Shandong University since 2008 to 2012 have been processed to measure the sky…

Instrumentation and Methods for Astrophysics · Physics 2014-05-28 Di-Fu Guo , Shao-Ming Hu , Xu Chen , Dong-Yang Gao , Jun-Ju Du

In 2018, Solar Cycle 24 entered into a solar minimum phase. During this period, 11 million zenithal night sky brightness (NSB) data were collected at different dark sites around the planet, including astronomical observatories and natural…

Instrumentation and Methods for Astrophysics · Physics 2021-06-25 M. R. Alarcon , M. Serra-Ricart , S. Lemes-Perera , M. Mallorquin

The direction of the upward light emission has different polluting effects on the sky depending on the distance of the observation site. We studied with detailed models for light pollution propagation the ratio $(b_{H})/(b_{L})$, at given…

Astrophysics · Physics 2007-05-23 P. Cinzano , F. J. Diaz Castro

The transition from earlier lighting technologies to white light-emitting diodes (LEDs) is a significant change in the use of artificial light at night. LEDs emit considerably more short-wavelength light into the environment than earlier…

Instrumentation and Methods for Astrophysics · Physics 2018-10-30 John C. Barentine , Constance E. Walker , Miroslav Kocifaj , František Kundracik , Amy Juan , John Kanemoto , Christian K. Monrad

Unscrupulous outdoor lighting produces a number of effects that are currently included under the term light pollution. Its consequences (e.g. loss of resources by energy waste), are being recognized for some time, as well as the possibility…

Instrumentation and Methods for Astrophysics · Physics 2012-08-21 Nancy Quaranta , Rodolfo Gustavo Cionco

The light pollution levels experienced at any given site generally depend on a wide number of artificial light sources distributed throughout the surrounding territory. Since photons can travel long distances before being scattered by the…

Instrumentation and Methods for Astrophysics · Physics 2019-09-25 Salvador Bará , Raul C. Lima

The submillimeter opacity of dust in the diffuse Galactic interstellar medium (ISM) has been quantified using a pixel-by-pixel correlation of images of continuum emission with a proxy for column density. We used three BLAST bands at 250,…

France issued a decree to restrict and prohibit mainly outdoor lighting effective from January 1st, 2019. Effectiveness of this legislation has been evaluated in this study using GIS data which was first used in \cite{2020MNRAS.493.1204A}…

Instrumentation and Methods for Astrophysics · Physics 2021-04-09 N. Aksaker , S. K. Yerli , Z. Kurt , M. Bayazit , A. Aktay , M. A. Erdoğan

Artificial light at night is a relevant environmental stressor whose unwanted consequences have been documented by a growing body of research. In this work we analize the loss of the natural darkness of the night in aquaculture farms…

The US National Park Service (NPS) Night Skies Program measured changes in sky brightness resulting from a countywide lighting retrofit project. The retrofit took place in Chelan County, a gateway community to North Cascades National Park…

Instrumentation and Methods for Astrophysics · Physics 2021-07-06 Li-Wei Hung , Sharolyn J Anderson , Ashley Pipkin , Kurt Fristrup

Sky conditions in the remote, dry north-western interior of South Africa are now the subject of considerable interest in view of the imminent construction of numerous solar power plants in this area. Furthermore, the part of this region in…

Instrumentation and Methods for Astrophysics · Physics 2014-09-11 Hartmut Winkler , Francois van Wyk , Fred Marang

This paper presents multi-filter measurements of the night sky brightness at the South African Astronomical Observatory (SAAO) in Sutherland in the presence of a bright moon. The observations cover a wide range of sky directions, lunar…

Instrumentation and Methods for Astrophysics · Physics 2022-05-25 Hartmut Winkler

Artificial satellites orbiting around the Earth, under certain conditions, result to be visible even to the naked eye. The phenomenon of light pollution jeopardises the researching activities of the astronomical community: traces left by…

Instrumentation and Methods for Astrophysics · Physics 2023-11-07 Gerardo Littoriano , Camilla Colombo , Alessandro Nastasi , Carmelo Falco

We present the first World Atlas of the zenith artificial night sky brightness at sea level. Based on radiance calibrated high resolution DMSP satellite data and on accurate modelling of light propagation in the atmosphere, it provides a…

Astrophysics · Physics 2009-11-07 P. Cinzano , F. Falchi , C. D. Elvidge

Night sky brightness is a major source of noise both for Cherenkov telescopes as well as for wide-angle Cherenkov detectors. Therefore, it is important to know the level of night sky brightness at potential sites for future experiments. The…

Instrumentation and Methods for Astrophysics · Physics 2013-02-19 Daniel Hampf , Gavin Rowell , Neville Wild , Tristan Sudholz , Dieter Horns , Martin Tluczykont

Light and air pollution are the two main forms of pollution, containing the highest concentration in urban areas. I set out to investigate the effects of anthropogenic air and light pollution on the night sky, how this affects the…

Physics and Society · Physics 2025-01-06 Maya Nunez