Sky Quality Meters

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SBIG Boltwood Cloud Sensor II for Fixed Observatories (Select Cable Length)
The Boltwood Cloud Sensor II measures the amount of cloud cover by comparing the temperature of the sky to the ambient ground level temperature.
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Boltwood Cloud Sensor II for Fixed Observatories (Select Cable Length)
$1,795.00
SBIG Boltwood Portable Cloud Sensor
A battery powered cloud sensor, perfect for those expeditions to dark-sky sites and star parties!
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Boltwood Portable Cloud Sensor
$375.00
Unihedron Unihedron Sky Quality Meter - LU-DL
A USB enabled data-logging light meter for night-time sky brightness monitoring!
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Unihedron Sky Quality Meter - LU-DL
$249.95
Unihedron Unihedron Ethernet Enabled Sky Quality Meter - SQM-LE
An ethernet-enabled SQM model for night-time sky brightness monitoring!
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Unihedron Ethernet Enabled Sky Quality Meter - SQM-LE
$249.95
Unihedron Unihedron Sky Quality Meter - SQM-LU
A USB SQM model for night-time sky brightness monitoring!
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Unihedron Sky Quality Meter - SQM-LU
$189.95
Unihedron Unihedron Sky Quality Meter - LR
An RS232 SQM model for night-time sky brightness monitoring!
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Unihedron Sky Quality Meter - LR
$189.95
Unihedron Unihedron Sky Quality Meter with Lens
An affordable meter for measuring sky brightness for astronomers!
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Unihedron Sky Quality Meter with Lens
$134.99
Unihedron Unihedron Sky Quality Meter - Affordable Meter
An affordable meter for measuring sky brightness for astronomers!
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Unihedron Sky Quality Meter - Affordable Meter
$119.99
Unihedron Unihedron Nu-B
Single button operation
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Unihedron Nu-B
$59.95
Unihedron Unihedron Sky Quality Meter - Weatherproof Housing
This housing design is made to protect the SQM-LE/LU from normal outdoor conditions including weather and insects.
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Unihedron Sky Quality Meter - Weatherproof Housing
$39.95
Unihedron Unihedron CapSelector
The Unihedron CapSelector provides an inexpensive way to tune a VLF loop over a wide range (120 - 5510 pF) of capacitances.
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Unihedron CapSelector
$24.95
Unihedron SQM-L tripod adaptor
This adaptor kit was designed specifically for the SQM-L so that the battery compartment is accessible with the adaptor in place.
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Unihedron SQM-L tripod adaptor
$15.00
Unihedron Unihedron Diffraction Grating
A standard diffraction grating used to separate white light into its spectrum.
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Unihedron Diffraction Grating
$4.95