Tested from Greenland to Arizona TESS-W has proofed to be a very reliable instrument to measure the evolution of the night sky brightness night by night for years.
Photometers sending data right now:
Our first photometer was installed in 2016 in Coslada, Madrid, Spain, and it is successfully sending data Today.
Date of installation
November 2016
Location
Coslada, Madrid, Spain
Owner
Cristóbal García
Stars2 was installed in a small village called Villaverde del Ducado, at Guadalajara, Spain. It is successfully sending data Today.
Date of installation
November 2016
Location
Villaverde del Ducado, Guadalajara, Spain
Owner
Jaime Zamorano
Mont Mégantic is a monadnock located in Québec, Canada. The most important astronomical observatory in eastern Canada is located at its peak. Stars237 constantly measures the quality of the night sky of the area since 2019 no matter the hard weather!
Date of installation
March 2019
Location
Parc national du Mont-Mégantic, Québec, Canada
Owner
Rémi Boucher
Located at Trois Mares, Le Tampon, Saint-Pierre, Réunion, France. Stars251 was installed 5m high (close to the roof) and it is regularly exposed to temperatures above 50° C.
Date of installation
July 2017
Location
Réunion, France.
Owner
Martin Riethmuller