« observatories list
| Country | Puerto Rico |
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| Latitude | 18° 20' 39.12" N |
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| Longitude | 66° 45' 09.72" W |
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| Elevation | 238m |
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| Light pollution | bad |
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| Limiting magnitude | 6.1 |
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| Maps (open on google) |
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{"aliases":[],"elevation":238,"latitude":18.3442,"longitude":-66.7527,"name":"Arecibo Observatory","timezone":"America\/Puerto_Rico","lightpollution":8,"country":"Puerto Rico"}