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Sky Quality Meters at CHMI: A Pilot Project and Development Perspectives
Light pollution represents a growing environmental issue with impacts on ecosystems, landscapes, and human health. In response to this, the Czech Hydrometeorological Institute (CHMI) launched a pilot project in 2024 focused on measuring night-sk...
Meteorology and atmospheric sciences
- 2025 •
- Jost •
- Link
Rok uplatnění
Jost - Ostatní články v recenzovaných periodicích
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Instrumentation for long term measuring of parameters under night sky
The paper deals with equipment for long-term measurement. We want to collect information about night sky, quantify the obtrusive light and compare the level of it in industrial and habited areas and out of them. For long-term measurements of...
JA - Elektronika a optoelektronika, elektrotechnika
- 2011 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Development of measuring instruments for long-term measurement of low level illuminances and luminances
for long-term measuring of the night sky is astronomical instrument (Sky quality meter), which evaluates the luminances of the night sky.The paper deals with long-term measuring instruments for light data...
JA - Elektronika a optoelektronika, elektrotechnika
- 2010 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
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Large area hydrophobic TiO2 layer full sky clouds cameras
Full-Sky so called - All Sky Cameras detect clouds on the sky using astrometry (night mode) and the contrast of the sky images (day mode). For quality images a clear and transparent lens/cover is necessary...
JK - Koroze a povrchové úpravy materiálu
- 2015 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
All Sky Cameras for the characterization of the Cherenkov Telescope Array/ncandidate sites
The All Sky Camera (ASC) was developed as a universal device for the monitoring of the night sky quality. Eight ASCs are already installed and measure night sky parameters at eight of the candidate sites of the Che...
BF - Elementární částice a fyzika vysokých energií
- 2013 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
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All sky camera for the CTA atmospheric calibration work package
near-future prediction of the night-sky quality, helping scheduling. AlsoThe All Sky Camera (ASC) is a passive non-invasive imaging system for rapid night sky atmosphere monitoring. By design, the operation of the...
JB - Senzory, čidla, měření a regulace
- 2015 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
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The January 7, 2015, superbolide over Romania and structural diversity of meter-sized asteroids
Superbolides, i.e. extremely bright meteors produced by entries of meter-sized bodies into terrestrial atmosphere, are rare events. We present here detailed analysis of a superbolide, which occurred over Romania on January 7, 2015. The traje...
Astronomy (including astrophysics,space science)
- 2017 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
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HEAT LOAD REMOVAL USING RADIATION AGAINST NIGHT SKY
operating energy demand. Thermal radiation against night sky is a physical phenomena constructions. For buildings with higher requirements on indoor microclimate quality can. For buildings with lower requirements on indoor microcli...
JN - Stavebnictví
- 2010 •
- D
Rok uplatnění
D - Stať ve sborníku
Evaluation of the measurement performance of water meters depending on water quality
Water meters of different types and sizes are used to monitor and bill the water supply. Although the water is of drinking water quality, its chemo-physical properties often adversely affect the measuring behaviour of a meter
Applied mechanics
- 2022 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
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Optical properties of semi-transparent sensor covers determined from their spectral intensity distribution function
. The quality of plastic covers used in night sky brightness monitors, such as Sky Quality Meter (SQM), can deteriorate with age, causing initially transparent windows to interpret and correct the data gat...
Electrical and electronic engineering
- 2025 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
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