GET /api/requestgroups/?format=api&offset=1099440&ordering=-state
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 1100147,
    "next": "https://observe.lco.global/api/requestgroups/?format=api&limit=10&offset=1099450&ordering=-state",
    "previous": "https://observe.lco.global/api/requestgroups/?format=api&limit=10&offset=1099430&ordering=-state",
    "results": [
        {
            "id": 2334167,
            "submitter": "schoolsobs2",
            "proposal": "TSO2025B-001",
            "name": "34455H000t005",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T16:50:26.745205Z",
            "modified": "2025-09-16T08:13:46.718078Z",
            "requests": [
                {
                    "id": 3981121,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:13:46.697106Z",
                    "duration": 257,
                    "configurations": [
                        {
                            "id": 13584640,
                            "instrument_type": "1M0-SCICAM-SINISTRO",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "rp"
                                    },
                                    "mode": "full_frame",
                                    "exposure_time": 120.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "NGC1360",
                                "ra": 53.311,
                                "dec": -25.8719,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "1m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T16:50:24Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334168,
            "submitter": "schoolsobs2",
            "proposal": "TSO2025B-001",
            "name": "34456D000t005",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T16:50:30.437727Z",
            "modified": "2025-09-16T08:13:52.724039Z",
            "requests": [
                {
                    "id": 3981122,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:13:52.719542Z",
                    "duration": 257,
                    "configurations": [
                        {
                            "id": 13584641,
                            "instrument_type": "1M0-SCICAM-SINISTRO",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "rp"
                                    },
                                    "mode": "full_frame",
                                    "exposure_time": 120.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "M76",
                                "ra": 25.5833,
                                "dec": 51.5755,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "1m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T16:50:28Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334169,
            "submitter": "schoolsobs2",
            "proposal": "TSO2025B-001",
            "name": "34456I000t005",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T16:50:50.745304Z",
            "modified": "2025-09-16T08:13:59.838615Z",
            "requests": [
                {
                    "id": 3981123,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:13:59.834046Z",
                    "duration": 257,
                    "configurations": [
                        {
                            "id": 13584642,
                            "instrument_type": "1M0-SCICAM-SINISTRO",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "filter": "rp"
                                    },
                                    "mode": "full_frame",
                                    "exposure_time": 120.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "BD57_22",
                                "ra": 2.69336,
                                "dec": 58.7694,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "1m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T16:50:42Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334170,
            "submitter": "schoolsobs1",
            "proposal": "TSO2025B-001",
            "name": "34456J000t006",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T16:50:54.006273Z",
            "modified": "2025-09-16T08:14:01.147122Z",
            "requests": [
                {
                    "id": 3981124,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:14:01.143148Z",
                    "duration": 306,
                    "configurations": [
                        {
                            "id": 13584643,
                            "instrument_type": "2M0-SCICAM-MUSCAT",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "narrowband_g_position": "out",
                                        "narrowband_i_position": "out",
                                        "narrowband_r_position": "out",
                                        "narrowband_z_position": "out"
                                    },
                                    "mode": "MUSCAT_FAST",
                                    "exposure_time": 90.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0,
                                        "exposure_mode": "SYNCHRONOUS",
                                        "exposure_time_g": 90,
                                        "exposure_time_i": 90,
                                        "exposure_time_r": 90,
                                        "exposure_time_z": 90
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "M76",
                                "ra": 25.5833,
                                "dec": 51.5755,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "2m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T16:50:51Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334171,
            "submitter": "schoolsobs1",
            "proposal": "TSO2025B-001",
            "name": "34458E000t006",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T16:51:09.054167Z",
            "modified": "2025-09-16T08:14:05.333149Z",
            "requests": [
                {
                    "id": 3981125,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:14:05.324159Z",
                    "duration": 306,
                    "configurations": [
                        {
                            "id": 13584644,
                            "instrument_type": "2M0-SCICAM-MUSCAT",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "narrowband_g_position": "out",
                                        "narrowband_i_position": "out",
                                        "narrowband_r_position": "out",
                                        "narrowband_z_position": "out"
                                    },
                                    "mode": "MUSCAT_FAST",
                                    "exposure_time": 90.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0,
                                        "exposure_mode": "SYNCHRONOUS",
                                        "exposure_time_g": 90,
                                        "exposure_time_i": 90,
                                        "exposure_time_r": 90,
                                        "exposure_time_z": 90
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "IC5146",
                                "ra": 328.37,
                                "dec": 47.2666,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "2m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T16:51:06Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334172,
            "submitter": "schoolsobs1",
            "proposal": "TSO2025B-001",
            "name": "34460J000t006",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T16:51:51.100364Z",
            "modified": "2025-09-16T08:14:12.696652Z",
            "requests": [
                {
                    "id": 3981126,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:14:12.687776Z",
                    "duration": 306,
                    "configurations": [
                        {
                            "id": 13584645,
                            "instrument_type": "2M0-SCICAM-MUSCAT",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "narrowband_g_position": "out",
                                        "narrowband_i_position": "out",
                                        "narrowband_r_position": "out",
                                        "narrowband_z_position": "out"
                                    },
                                    "mode": "MUSCAT_FAST",
                                    "exposure_time": 90.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0,
                                        "exposure_mode": "SYNCHRONOUS",
                                        "exposure_time_g": 90,
                                        "exposure_time_i": 90,
                                        "exposure_time_r": 90,
                                        "exposure_time_z": 90
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "M110",
                                "ra": 10.0921,
                                "dec": 41.6853,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "2m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T16:51:48Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334173,
            "submitter": "schoolsobs1",
            "proposal": "TSO2025B-001",
            "name": "34465A000t006",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T16:52:17.894881Z",
            "modified": "2025-09-16T08:14:28.873962Z",
            "requests": [
                {
                    "id": 3981127,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:14:28.868913Z",
                    "duration": 306,
                    "configurations": [
                        {
                            "id": 13584646,
                            "instrument_type": "2M0-SCICAM-MUSCAT",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "narrowband_g_position": "out",
                                        "narrowband_i_position": "out",
                                        "narrowband_r_position": "out",
                                        "narrowband_z_position": "out"
                                    },
                                    "mode": "MUSCAT_FAST",
                                    "exposure_time": 90.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0,
                                        "exposure_mode": "SYNCHRONOUS",
                                        "exposure_time_g": 90,
                                        "exposure_time_i": 90,
                                        "exposure_time_r": 90,
                                        "exposure_time_z": 90
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "NGC246",
                                "ra": 11.7639,
                                "dec": -11.872,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "2m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T16:52:15Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334188,
            "submitter": "schoolsobs1",
            "proposal": "TSO2025B-001",
            "name": "34465H000t006",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.0,
            "state": "CANCELED",
            "created": "2025-09-15T17:08:56.588908Z",
            "modified": "2025-09-16T08:14:30.432498Z",
            "requests": [
                {
                    "id": 3981143,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 98.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T08:14:30.409489Z",
                    "duration": 306,
                    "configurations": [
                        {
                            "id": 13584714,
                            "instrument_type": "2M0-SCICAM-MUSCAT",
                            "type": "EXPOSE",
                            "repeat_duration": null,
                            "extra_params": {},
                            "priority": 1,
                            "instrument_configs": [
                                {
                                    "optical_elements": {
                                        "narrowband_g_position": "out",
                                        "narrowband_i_position": "out",
                                        "narrowband_r_position": "out",
                                        "narrowband_z_position": "out"
                                    },
                                    "mode": "MUSCAT_FAST",
                                    "exposure_time": 90.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "bin_x": 1,
                                        "bin_y": 1,
                                        "defocus": 0,
                                        "offset_ra": 0,
                                        "offset_dec": 0,
                                        "exposure_mode": "SYNCHRONOUS",
                                        "exposure_time_g": 90,
                                        "exposure_time_i": 90,
                                        "exposure_time_r": 90,
                                        "exposure_time_z": 90
                                    },
                                    "rois": []
                                }
                            ],
                            "constraints": {
                                "max_airmass": 2.0,
                                "min_lunar_distance": 90.0,
                                "max_lunar_phase": 0.5,
                                "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": "NGC300",
                                "ra": 13.7227,
                                "dec": -37.6842,
                                "proper_motion_ra": 0.0,
                                "proper_motion_dec": 0.0,
                                "parallax": 0.0,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "2m0"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T17:08:53Z",
                            "end": "2025-10-16T12:00:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334325,
            "submitter": "kschwitkis",
            "proposal": "LCOEPO2018A-006",
            "name": "kas bigtime ck del vfilter cadence",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "CANCELED",
            "created": "2025-09-15T20:41:26.299979Z",
            "modified": "2025-09-15T20:43:53.742255Z",
            "requests": [
                {
                    "id": 3981280,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-15T20:43:53.737757Z",
                    "duration": 142,
                    "configurations": [
                        {
                            "id": 13586634,
                            "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": 40.0,
                                    "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": "ck del",
                                "ra": 306.2584837584,
                                "dec": 11.210312757289998,
                                "proper_motion_ra": -6.154,
                                "proper_motion_dec": -9.326,
                                "parallax": 0.5453,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2025-09-15T20:34:57Z",
                            "end": "2025-09-29T20:34:00Z"
                        }
                    ]
                }
            ]
        },
        {
            "id": 2334460,
            "submitter": "zhutianyu",
            "proposal": "LCOEPO2023B-006",
            "name": "20250916-M57",
            "observation_type": "NORMAL",
            "operator": "SINGLE",
            "ipp_value": 1.05,
            "state": "CANCELED",
            "created": "2025-09-16T00:36:14.317087Z",
            "modified": "2025-09-16T00:48:24.519288Z",
            "requests": [
                {
                    "id": 3981475,
                    "observation_note": "",
                    "optimization_type": "TIME",
                    "state": "CANCELED",
                    "acceptability_threshold": 90.0,
                    "configuration_repeats": 1,
                    "extra_params": {},
                    "modified": "2025-09-16T00:48:24.515454Z",
                    "duration": 656,
                    "configurations": [
                        {
                            "id": 13587209,
                            "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": 180.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                },
                                {
                                    "optical_elements": {
                                        "filter": "rp"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 180.0,
                                    "exposure_count": 1,
                                    "rotator_mode": "",
                                    "extra_params": {
                                        "offset_ra": 0,
                                        "offset_dec": 0
                                    },
                                    "rois": []
                                },
                                {
                                    "optical_elements": {
                                        "filter": "B"
                                    },
                                    "mode": "central30x30",
                                    "exposure_time": 180.0,
                                    "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": "M57",
                                "ra": 283.39623652463,
                                "dec": 33.029134246539996,
                                "proper_motion_ra": 1.645,
                                "proper_motion_dec": 2.472,
                                "parallax": 1.2696,
                                "epoch": 2000.0,
                                "hour_angle": null,
                                "extra_params": {}
                            }
                        }
                    ],
                    "location": {
                        "telescope_class": "0m4"
                    },
                    "windows": [
                        {
                            "start": "2025-09-16T00:35:07Z",
                            "end": "2025-09-17T00:35:07Z"
                        }
                    ]
                }
            ]
        }
    ]
}