Results 11 to 20 of about 160 (131)
UBVRI night sky brightness at Kottamia Astronomical Observatory
Scientific Reports, 2023 Photoelectric observations of night sky brightness (NSB) at different zenith distances and azimuths, covering all the sky, at the Egyptian Kottamia Astronomical observatory (KAO) site of coordinates ϕ = 29° 55.9′ N and λ = 31° 49.5′ E, were done using a ...
Mohamed F. Aboushelib +4 more
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NSKY-CD: A System for Cloud Detection Based on Night Sky Brightness and Sky Temperature
Remote Sensing, 2023 Cloud cover is important meteorological information that still requires expensive equipment to be monitored from the ground, especially at night. The use of artificial lights at night causes light pollution, and clouds amplify this by reflecting light ...
Luciano Massetti +2 more
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Light pollution in the Tatra National Park [PDF]
Archives of Environmental ProtectionLight pollution in the form of artificial sky glow affects not only the immediate surroundings of the towns that generate it but also more distant areas, including protected regions. This study examines the extent of the impact of the artificial sky glow,
Tomasz Ściężor +2 more
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Remote Sensing, 2021 In April 2020, due to the coronavirus pandemic and the tourism decrease in Cracow (Poland), the Road Authority of the City of Cracow, followed by the authorities of several neighbouring municipalities, decided to turn off street lighting at night.
Tomasz Ściężor
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Calibrating Nighttime Satellite Imagery with Red Photometer Networks
Remote Sensing, 2023 The data retrieved from satellite imagery and ground-based photometers are the two main sources of information on light pollution and are thus the two main tools for tackling the problem of artificial light pollution at night (ALAN). While satellite data
Borja Fernandez-Ruiz +5 more
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Contaminación de luz en Michoacán (campaña para cielos oscuros)
Investigaciones Geográficas, 2001 The deterioration of night sky due to light pollution- the glare produced by artificial light that gets lost towards the sky - is a topic that is beginning to be considered in some countries, which are taking measures to regulate the characteristics of ...
Eduardo Antaramián Harutunián
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Data in Brief, 2022 A Sky Quality Meter (SQM) is a photometer designed to measure night sky brightness. SQMs have been used to interpret light fields for various purposes, including studies of relationships between directional light brightness and sea turtle hatchling ...
Shigetomo Hirama +4 more
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Artificial light emission analysis for the city of St. Petersburg
SHS Web of Conferences, 2018 Artificial light emission within the limits of major cities is increasing year by year. The level of this rapid growth depends on the influence of complex factors such as urban enlargement, air pollution, environmental conditions, lack of outdoor ...
Kolgushkina Svetlana
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Indian Journal of Public Health, 2020 Background: Light pollution is inappropriate or excessive use of artificial light. Nighttime sky radiance is an effective measure to study its effects on individual sleep quality. Objectives: The study is aimed to measure the effect of light pollution on
Arista Lahiri +4 more
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