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                                "proper_motion_dec": 2.543,
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                    "location": {
                        "telescope_class": "0m4"
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                    "windows": [
                        {
                            "start": "2019-03-01T17:13:52Z",
                            "end": "2019-03-02T05:13:52Z"
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        }
    ]
}