| Country | United Kingdom |
|---|---|
| Latitude | 51° 36' 48.06" N |
| Longitude | 00° 14' 32.12" W |
| Elevation | 77m |
| Other names | University of London Observatory ULO Mill Hill |
| Light pollution | extreme (12/14) |
| Light pollution history | 2006: extreme (12/14) 2016: extreme (13/14) 2020: extreme (12/14) 2022: extreme (12/14) 2024: extreme (12/14) |
| Limiting magnitude | 4.6 |
| Local time | |
| Maps (open on google) | |
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