Sky Quality Meters

Unihedron SQM-L Sky Quality Meter with lens£110.00

Offers a more narrow field of view than the SQM.

An affordable meter for astronomers wanting to measure their sky brightness.

Measures the brightness of the night sky in magnitudes per square arcsecond. 

Unprecedented sensitivity in a handheld meter! 

Designed by Dr Doug Welch and Anthony Tekatch. 

Unihedron SQM-LU Sky Quality Meter with USB connection£159.00

A USB SQM for night-time sky brightness monitoring

An affordable meter for continual, connected measuring of sky brightness for astronomers.

Measures the brightness of the night sky in magnitudes per square arcsecond. 

Designed by Dr Doug Welch and Anthony Tekatch. 

Unihedron Weatherproof Housing£35.00

This weatherproof housing is designed to protect the Unihedron SQM-LE/LU Sky Quality Meters from normal outdoor conditions including weather and insects.