GET /api/requestgroups/?format=api&offset=774600&ordering=proposal
HTTP 200 OK
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Content-Type: application/json
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                    "location": {
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                        "enclosure": "clma",
                        "telescope": "0m4a"
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                    "windows": [
                        {
                            "start": "2020-06-06T07:06:29.377710Z",
                            "end": "2020-06-06T07:39:50.919840Z"
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}