| The SQM data is under BETA testing... |
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| For quick reference, sky readings of 16 or less are poor; 17 is good; 20 is very good; 21 - superior; 22 is max. |
| NELM = Naked Eye Limiting Magnitude |
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| The Sky Quality Meter data provided by John Kuehn at his observatory using Knightware SQM-Pro Software. | Meter is operational during Astronomical Twlight hours(EST). |
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| The Boltwood Cloud Sensor is maintained at Chris Hetlage's observatory. |
| The Cloud Sensor is owned by Jonathan Burnett. |