GET /api/requestgroups/?format=api&offset=180&ordering=-submitter
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 1155609,
    "next": "https://observe.lco.global/api/requestgroups/?format=api&limit=10&offset=190&ordering=-submitter",
    "previous": "https://observe.lco.global/api/requestgroups/?format=api&limit=10&offset=170&ordering=-submitter",
    "results": [
        {
            "id": 2462041,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 09379+7305 take 4",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-09T13:49:08.022810Z",
            "modified": "2026-03-09T20:25:24.740821Z",
            "requests": [
                {
                    "id": 4130512,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-09T20:25:24.729803Z",
                    "duration": 104,
                    "configurations": [
                        {
                            "id": 14555326,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "V"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 2.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "HD 82685",
                                "ra": 144.48417718179238,
                                "dec": 73.08039398955268,
                                "proper_motion_ra": -42.66,
                                "proper_motion_dec": -20.23,
                                "parallax": 14.08,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-09T13:46:34Z",
                            "end": "2026-03-11T13:46:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2462042,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS  14421+6116",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-09T13:51:58.100095Z",
            "modified": "2026-03-09T13:55:56.786746Z",
            "requests": [
                {
                    "id": 4130513,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-09T13:55:56.743389Z",
                    "duration": 103,
                    "configurations": [
                        {
                            "id": 14555327,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "V"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "DL Dra",
                                "ra": 220.51353507587,
                                "dec": 61.26191321514,
                                "proper_motion_ra": 74.559,
                                "proper_motion_dec": -30.016,
                                "parallax": 24.3028,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-09T13:49:12Z",
                            "end": "2026-03-11T13:49:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2462043,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 04246+3358",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "CANCELED",
            "created": "2026-03-09T13:55:24.397026Z",
            "modified": "2026-03-09T13:58:27.387005Z",
            "requests": [
                {
                    "id": 4130514,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-09T13:58:27.384507Z",
                    "duration": 103,
                    "configurations": [
                        {
                            "id": 14555328,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "V"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "56 Per",
                                "ra": 66.15607614245,
                                "dec": 33.95980292675,
                                "proper_motion_ra": 46.034,
                                "proper_motion_dec": -90.467,
                                "parallax": 23.7924,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-09T13:53:46Z",
                            "end": "2026-03-11T13:53:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2462044,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 09104+6708",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-09T13:58:06.432430Z",
            "modified": "2026-03-09T20:02:15.416878Z",
            "requests": [
                {
                    "id": 4130515,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-09T20:02:15.357277Z",
                    "duration": 103,
                    "configurations": [
                        {
                            "id": 14555329,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "B"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 0.5,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "Sig2 UMa",
                                "ra": 137.59810822843832,
                                "dec": 67.13401783939729,
                                "proper_motion_ra": 13.13,
                                "proper_motion_dec": -90.93,
                                "parallax": 49.07,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-09T13:55:50Z",
                            "end": "2026-03-11T13:55:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2462046,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 04246+3358 take 2",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-09T13:59:58.356999Z",
            "modified": "2026-03-09T20:03:55.671168Z",
            "requests": [
                {
                    "id": 4130517,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-09T20:03:55.642121Z",
                    "duration": 103,
                    "configurations": [
                        {
                            "id": 14555375,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "V"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "56 Per",
                                "ra": 66.15607614245,
                                "dec": 33.95980292675,
                                "proper_motion_ra": 46.034,
                                "proper_motion_dec": -90.467,
                                "parallax": 23.7924,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-09T13:58:38Z",
                            "end": "2026-03-11T13:58:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2462047,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 04246+3358 take 2",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-09T14:00:01.489001Z",
            "modified": "2026-03-09T20:05:27.544634Z",
            "requests": [
                {
                    "id": 4130518,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-09T20:05:27.533460Z",
                    "duration": 103,
                    "configurations": [
                        {
                            "id": 14555376,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "V"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "56 Per",
                                "ra": 66.15607614245,
                                "dec": 33.95980292675,
                                "proper_motion_ra": 46.034,
                                "proper_motion_dec": -90.467,
                                "parallax": 23.7924,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-09T13:58:38Z",
                            "end": "2026-03-11T13:58:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2467720,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 14421+6116 different filter test",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-16T15:44:11.454393Z",
            "modified": "2026-03-17T01:48:34.766546Z",
            "requests": [
                {
                    "id": 4136561,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-17T01:48:34.706816Z",
                    "duration": 399,
                    "configurations": [
                        {
                            "id": 14597040,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "ip"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 25,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                },
                                {
                                    "optical_elements": {
                                        "filter": "zs"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 25,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "DL Dra",
                                "ra": 220.51353507587,
                                "dec": 61.26191321514,
                                "proper_motion_ra": 74.559,
                                "proper_motion_dec": -30.016,
                                "parallax": 24.3028,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-16T15:36:10Z",
                            "end": "2026-03-18T15:36:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2467721,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 04246+3358 different filter test",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-16T15:45:46.939445Z",
            "modified": "2026-03-18T02:08:03.243294Z",
            "requests": [
                {
                    "id": 4136562,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-18T02:08:03.196945Z",
                    "duration": 374,
                    "configurations": [
                        {
                            "id": 14597041,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "ip"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 0.5,
                                    "exposure_count": 25,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                },
                                {
                                    "optical_elements": {
                                        "filter": "zs"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 0.5,
                                    "exposure_count": 25,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "56 Per",
                                "ra": 66.15607614245,
                                "dec": 33.95980292675,
                                "proper_motion_ra": 46.034,
                                "proper_motion_dec": -90.467,
                                "parallax": 23.7924,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-16T15:44:16Z",
                            "end": "2026-03-18T15:44:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2467723,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 09379+7305 take 4",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-16T15:47:57.117108Z",
            "modified": "2026-03-17T01:26:49.741126Z",
            "requests": [
                {
                    "id": 4136564,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-17T01:26:49.699419Z",
                    "duration": 247,
                    "configurations": [
                        {
                            "id": 14597043,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "V"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 25,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "HD 82685",
                                "ra": 144.48417718179238,
                                "dec": 73.08039398955268,
                                "proper_motion_ra": -42.66,
                                "proper_motion_dec": -20.23,
                                "parallax": 14.08,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-16T15:46:07Z",
                            "end": "2026-03-17T09:47:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2467726,
            "submitter": "FabianRenteria",
            "proposal": "LCOEPO2018A-006",
            "name": "WDS 09104+6708 take 2",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "COMPLETED",
            "created": "2026-03-16T15:50:11.064522Z",
            "modified": "2026-03-17T01:38:34.278910Z",
            "requests": [
                {
                    "id": 4136567,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "COMPLETED",
                    "suspend_until": null,
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2026-03-17T01:38:34.217145Z",
                    "duration": 399,
                    "configurations": [
                        {
                            "id": 14597050,
                            "instrument_type": "0M4-SCICAM-QHY600",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {
                                "sub_expose": false
                            },
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "ip"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 25,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                },
                                {
                                    "optical_elements": {
                                        "filter": "B"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 1.0,
                                    "exposure_count": 25,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 1.6,
                                "min_lunar_distance": 30.0,
                                "max_lunar_phase": 1.0,
                                "extra_params": {}
                            },
                            "acquisition_config": {
                                "mode": "OFF",
                                "extra_params": {}
                            },
                            "guiding_config": {
                                "optional": true,
                                "mode": "ON",
                                "optical_elements": {},
                                "exposure_time": null,
                                "extra_params": {}
                            },
                            "target": {
                                "type": "ICRS",
                                "name": "Sig2 UMa",
                                "ra": 137.59810822843832,
                                "dec": 67.13401783939729,
                                "proper_motion_ra": 13.13,
                                "proper_motion_dec": -90.93,
                                "parallax": 49.07,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2026-03-16T15:48:31Z",
                            "end": "2026-03-17T15:48:31Z"
                        }
                    ]
                }
            ]
        }
    ]
}