GET /api/requestgroups/?format=api&offset=775100&ordering=proposal
HTTP 200 OK
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Content-Type: application/json
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                                "parallax": null,
                                "epoch": null,
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                    ],
                    "location": {
                        "site": "coj",
                        "enclosure": "doma",
                        "telescope": "1m0a"
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                    "windows": [
                        {
                            "start": "2020-05-22T21:28:54.209857Z",
                            "end": "2020-05-23T00:17:54.209857Z"
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            ]
        }
    ]
}