GROUND BASED NETWORK
TESS Network – STARS4ALL
STARS4ALL is an Horizon 2020 EU project dedicated to raising awareness on the negative effects of light pollution and to the promotion dark skies in Europe. The project developed the TESS photometers, a family of new devices to measure the night sky brightness.
TYPE OF INSTRUMENT
TESS Photometers
N° OF STATIONS
30 in CE, > 250 worldwide
LOCATION
Worldwide
MEASUREMENT POINT
Diverse
STATUS
Operational
DATA AVAILABILITY
Yes, freely available
TIME RANGE
Since 2016
FREQUENCY OF MEASUREMENT
Every minute
DATA PUBLISHING FREQUENCY
Real-time
DATA PUBLISHING DELAY
None
MORE INFORMATION
CALIBRATED DATA
Yes
MEASUREMENT UNIT
mag/arcsec²
WAVELENGTH RANGE
400 – 800 nm
FIELD-OF-VIEW
± 20 deg
POINTING DIRECTION
Zenith
DATA FORMAT
CSV, JSON
DATA POLICY
Not specified
FURTHER REFERENCES
– TESS photometers
– TESS-W photometers on Instructables
– Absolute Radiometric Calibration of TESS-W photometers (article)
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