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El Roque
de los Muchachos
(Canary
Islands, Spain)
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Observatory
Mount Palomar
(California,
USA)
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Observatory
Keck
(Mauna Kea,
Hawaii)
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Observatory
Lowell
(Arizona,
USA)
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Obsevatory
Melaga
(Maipu,
Santiago de Chile)
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Obsevatory
de La Plata
(Argentina)
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South African
astronomy observatory
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Observatory
San José
(Buenos
Aires, Argentina)
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Observatory
Perth
(Australia)
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