Skip to product information
1 of 1


Sky Quality Meter USB

Sky Quality Meter USB

Regular price $523.00
Regular price Sale price $523.00
Sale Out of Stock
Tax included. Shipping calculated at checkout.

A USB-enabled Sky Quality Meter model for night-time sky brightness monitoring

Enables continual, connected measuring of sky brightness for astronomers
The Sky Quality Meter - LE measures the brightness of the night sky in magnitudes per square arcsecond..


  • Find out how good the night or site REALLY is.
  • Compare the sky brightness at different sites quantitatively.
  • Document the evolution of light pollution in your area.
  • Set planetarium dome illumination to mimic the skies people are likely to experience elsewhere in the city.
  • Monitor sky brightness through the night, night-to-night, and year-to-year.
  • Determine which nights show the greatest promise for finding the 'faintest fuzzies'.
  • Calibrate the effect of sky brightness on qualitative measures such as the Bortle Scale.
  • Investigate how sky brightness correlates with the solar cycle and month-to-month sunspot activity.
  • Help provide local ground truth for future sky brightness prediction with the Clear Sky Clock.
  • CCD users can make a correlation between the SQM reading and when the background reaches some ADC level.
View full details