Results 11 to 20 of about 4,658 (241)
NIGHT SKY BRIGHTNESS ABOVE ZAGREB 2012.-2017.
Rudarsko-geološko-naftni Zbornik, 2018 The night sky brightness at the RGN site (near the centre of Zagreb, Croatia) was monitored form January 2012. to December 2017. The gathered data show that the average night sky brightness in this period did not change significantly, apart from ...
Željko Andreić
doaj +4 more sources
Absolute Radiometric Calibration of TESS-W and SQM Night Sky Brightness Sensors [PDF]
Sensors, 2019 Jaime Zamorano +2 more
exaly +2 more sources
Measurements of Night Sky Brightness in the Veneto Region of Italy: Sky Quality Meter Network Results and Differential Photometry by Digital Single Lens Reflex [PDF]
Journal of Imaging, 2019 Sérgio Ortolani, Andrea Bertolo
exaly +2 more sources
Scientific Reports, 2023 The problem of sky pollution with artificial light currently affects practically all branches that are related to the broadly understood environment. This is especially true for astronomical observations.
Marcin Wesołowski
doaj +1 more source
Jurnal Kumparan Fisika, 2020 Polusi cahaya sangat berpengaruh terhadap kecerahan langit. Tingkat kecerahan langit dapat diukur dengan Sky Quality Meter (SQM). Hasil data SQM sangat banyak, perlu aplikasi untuk mempermudah pengolahan datanya.
Mustofa Ahyar +2 more
doaj +3 more sources
A total sky cloud detection method using real clear sky background [PDF]
Atmospheric Measurement Techniques, 2016 The brightness distribution of sky background is usually non-uniform, which creates many problems for traditional cloud detection methods, including the failure of thin cloud detection in total sky images and significantly reducing retrieval accuracy in ...
J. Yang +7 more
doaj +1 more source
Verification of Angular Response of Sky Quality Meter with Quasi-Punctual Light Sources
Sensors, 2021 Sky Quality Meter (SQM) is a commercial instrument based on photometers widely used by amateur astronomers for skyglow measurement from the ground. In the framework of the MINLU project, two SQM-LE units were integrated in an autonomous sensor suite ...
Mirco Bartolomei +4 more
doaj +1 more source
Radiometer calibration upon relative measurements of sky brightness temperature at different elevation angles [PDF]
Радиофизика и электроника, 2020 Subject and Purpose. One of the relevant areas of remote sensing of the environment is the development of microwave methods of passive sensing of the atmosphere. The biggest challenge occurring in radiometric measurements is measuring system calibration.
V.A. Kabanov
doaj +1 more source
Map of Sky Brightness over Greater Bandung and the Prospect of Astro-Tourism
Indonesian Journal of Geography, 2019 In this paper, result of moving campaigns of night sky brightness measurement over Greater Bandung area is reported. Though the campaigns were not commenced in ideal condition in terms of cloud cover and moon light contamination, the result is quite ...
Rhorom Priyatikanto +5 more
doaj +1 more source
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
doaj +1 more source