Sky Quality Meter

Products

Sort by: Product Price Default
Unihedron Ethernet Enabled Sky Quality Meter
* The Unihedron SQM-LE Sky Quality Meter gives sky brightness reported in visual magnitudes per square arcsecond.

* Infrared blocking filter restricts measurement to visual bandpass.

* The Unihedron SQM-LE Sky Quality Meter provides precision readings at even the darkest sites.

* Field-upgradeable firmware and open protocol document.

Our price: $249.95 (€217.46)
Quantity
Unihedron Sky Quality Meter - USB
* The Unihedron USB Sky Quality Meter - LU will allow you to compare the sky brightness at different sites quantitatively.

* Document the evolution of light pollution in your area.

* The Unihedron USB Sky Quality Meter - LU can calibrate the effect of sky brightness on qualitative measures such as the Bortle Scale.

* CCD users can make a correlation between the SQM reading and when the background reaches some ADC level.

* The Unihedron USB Sky Quality Meter - LU will allow you to monitor sky brightness through the night, night-to-night, and year-to-year.

Our price: $189.95 (€165.26)
Quantity
Unihedron Sky Quality Meter with Lens (SQM-L)
* The new Unihedron Quality Sky Meter L includes a built-in lens that looks at a more narrow angle of sky than the standard version, keeping ambient light from nearby buildings from disrupting your readings.

* Just how good are the skies at your observing site? Are some times better than others? Are you fighting light pollution in your community and need ammunition?

* Find out the answers to these questions and more with the Unihedron Sky Quality Meter-L!

* The Unihedron SQM-L measures the brightness of the sky in magnitudes per square arcsecond.

* The Half Width Half Maximum (HWHM) of the angular sensitivity is ~10°. The Full Width Half Maximum (FWHM) is then ~20°.

* CCD users can make a correlation between the Unihedron SQM-L reading and when the background reaches some ADC level.

* Runs on a 9V battery, included.

Our price: $139.95 (€121.76)
Quantity