| Sky Quality Meter (SQM) Readings |
Member Observatories Sky Quality Meter (SQM) Ratings are for reference only and are not necessarily absolute. |
| Date | Local Time |
Latitude | Longitude | Location | Prov | Sky Brightness |
SQM |
Measurer |
| 2016/04/09 | 2145 | 44 32 52 N | -78 21 37 | New Buckhorn Observing Site | ON | 21.3 | SQM-L | Sean Dunne |
| Cedar Knoll Observatory | ON | |||||||
| 2013/02/04 | 2230 | 44 15 18.0 N | -78 12 08.0 | Crebar Observatory | ON | 20.95 | SQM-L | Rick Stankiewicz |
| 2013/08/09 | 2200 | 44 23 38.4 N | -78 24 18.0 | Robinson Road Observatory | ON | 20.90 | SQM-L | Rodger Forsyth |
Other Locations Sky Quality Meter (SQM) Ratings are for reference only and are not necessarily absolute. |
| Date | Local Time |
Latitude | Longitude | Location | Prov | Sky Brightness |
SQM |
Measurer |
| 2011/03/25 | 44 21 05 N | -78 25 49 | Fife's Bay | ON | 20.70 | SQM-L | Mark Coady | |
| 2011/03/26 | 44 18 45 N | -78 18 07 | Armour Hill | ON | 19.38 | SQM-L | Mark Coady | |
| 2011/03/24 | 22:45 | 44 27 48 N | -78 07 43 | Warsaw Caves CA | ON | 21.65 | SQM-L | Mark Coady |
| 2016/04/04 | 22:00 | 44 04 26 N | -78 30 10 | Ganaraska Forest Centre | ON | 21.01 | SQM-L | Sean Dunne & Jaime Morales |
| 2016/04/04 | 23:10 | 44 22 10 N | -78 9 17 | Fairview Church, Selwyn | ON | 20.60 | SQM-L | Sean Dunne (8 readings) |
| 2019/10/20 | 22:00 | 44 03 04.9 N | -78 25 49.6 | Richardson's Lookout CA | ON | 21.14 | SQM-L | B. Wood & S. Dunne |
| 2022/04/29 | 23:00 | 44 28 09 N | -78 17 18 | Kawartha Land Trust - Dance CA | ON | 21.14 | SQM-L | B. Wood & S. Dunne |