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Discovery Channel Telescope [select site]
| Country | United States |
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| Latitude | 34° 44' 39.50" N |
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| Longitude | 111° 25' 21.05" W |
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| Elevation | 2337m |
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| Other names | Happy Jack |
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| Light pollution | very low (2/14) |
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| Light pollution history | 2006-2024: all measurements very low (2/14) |
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| Limiting magnitude | 6.7 |
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| Maps (open on google) |
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{"elevation":2337,"name":"Discovery Channel Telescope","latitude":34.744305,"longitude":-111.422515,"timezone":"America\/Phoenix","aliases":["Happy Jack"],"lightpollution":2,"country":"United States","lightpollutionhistory":[2,2,2,2,2]}