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field_id=-1 azimuth_opsim;\n  optional double field_id=-1 paraAngle;\n  optional double field_id=-1 psudoParaAngle;\n  optional double field_id=-1 cloud;\n  optional double field_id=-1 moonAlt;\n  optional double field_id=-1 sunAlt;\n  optional binary field_id=-1 note (String);\n  optional binary field_id=-1 scheduler_note_opsim (String);\n  optional binary field_id=-1 target_name_opsim (String);\n  optional double field_id=-1 observationStartLST;\n  optional double field_id=-1 rotTelPos;\n  optional double field_id=-1 rotTelPos_backup;\n  optional double field_id=-1 moonAz;\n  optional double field_id=-1 sunAz;\n  optional double field_id=-1 sunRA;\n  optional double field_id=-1 sunDec;\n  optional double field_id=-1 moonRA;\n  optional double field_id=-1 moonDec;\n  optional double field_id=-1 moonDistance;\n  optional double field_id=-1 solarElong;\n  optional double field_id=-1 moonPhase;\n  optional double field_id=-1 cummTelAz;\n  optional binary field_id=-1 observation_reason_opsim (String);\n  optional binary field_id=-1 science_program_opsim (String);\n  optional binary field_id=-1 start_date (String);\n  optional double field_id=-1 HA;\n  optional int64 field_id=-1 observationStartDatetime64 (Timestamp(isAdjustedToUTC=false, timeUnit=nanoseconds, is_from_converted_type=false, force_set_converted_type=false));\n  optional int64 field_id=-1 start_timestamp (Timestamp(isAdjustedToUTC=true, timeUnit=nanoseconds, is_from_converted_type=false, force_set_converted_type=false));\n  optional double field_id=-1 overhead;\n  optional double field_id=-1 ring_healpix;\n  optional double field_id=-1 nest_healpix;\n  optional int64 field_id=-1 dayObs;\n  optional int64 field_id=-1 day_obs_mjd;\n  optional binary field_id=-1 day_obs_iso8601 (String);\n  optional int64 field_id=-1 __index_level_0__;\n}\n"},"kv_metadata":[["ARROW:schema",{"$cut":{"chars":35488,"head":""}}],["pandas","{\"index_columns\": [\"__index_level_0__\"], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"str\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"visit_id\", \"field_name\": \"visit_id\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"exposure_name\", \"field_name\": \"exposure_name\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"controller\", \"field_name\": \"controller\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"day_obs\", \"field_name\": \"day_obs\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"seq_num\", \"field_name\": \"seq_num\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"physical_filter\", \"field_name\": \"physical_filter\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"band\", \"field_name\": \"band\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"s_ra\", \"field_name\": \"s_ra\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"s_dec\", \"field_name\": \"s_dec\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"sky_rotation\", \"field_name\": \"sky_rotation\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"azimuth_start\", \"field_name\": \"azimuth_start\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"azimuth_end\", \"field_name\": \"azimuth_end\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"azimuth\", \"field_name\": \"azimuth\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"altitude_start\", \"field_name\": \"altitude_start\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"altitude_end\", \"field_name\": \"altitude_end\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"altitude\", \"field_name\": \"altitude\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"zenith_distance_start\", \"field_name\": \"zenith_distance_start\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"zenith_distance_end\", \"field_name\": \"zenith_distance_end\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"zenith_distance\", \"field_name\": \"zenith_distance\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"airmass\", \"field_name\": \"airmass\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"exp_midpt\", \"field_name\": \"exp_midpt\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"exp_midpt_mjd\", \"field_name\": \"exp_midpt_mjd\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"obs_start\", \"field_name\": \"obs_start\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"obs_start_mjd\", \"field_name\": \"obs_start_mjd\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"obs_end\", \"field_name\": \"obs_end\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"obs_end_mjd\", \"field_name\": \"obs_end_mjd\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"exp_time\", \"field_name\": \"exp_time\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"shut_time\", \"field_name\": \"shut_time\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"dark_time\", \"field_name\": \"dark_time\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"group_id\", \"field_name\": \"group_id\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"cur_index\", \"field_name\": \"cur_index\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"max_index\", \"field_name\": \"max_index\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"img_type\", \"field_name\": \"img_type\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"emulated\", \"field_name\": \"emulated\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"science_program\", \"field_name\": \"science_program\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"observation_reason\", \"field_name\": \"observation_reason\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"target_name\", \"field_name\": \"target_name\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"air_temp\", \"field_name\": \"air_temp\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"pressure\", \"field_name\": \"pressure\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"humidity\", \"field_name\": \"humidity\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"wind_speed\", \"field_name\": \"wind_speed\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"wind_dir\", \"field_name\": \"wind_dir\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"dimm_seeing\", \"field_name\": \"dimm_seeing\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"shut_lower\", \"field_name\": \"shut_lower\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"shut_upper\", \"field_name\": \"shut_upper\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"focus_z\", \"field_name\": \"focus_z\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"dome_azimuth\", \"field_name\": \"dome_azimuth\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"simulated\", \"field_name\": \"simulated\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"vignette\", \"field_name\": \"vignette\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"vignette_min\", \"field_name\": \"vignette_min\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"scheduler_note\", \"field_name\": \"scheduler_note\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"s_region\", \"field_name\": \"s_region\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"can_see_sky\", \"field_name\": \"can_see_sky\", \"pandas_type\": \"bool\", \"numpy_type\": \"bool\", \"metadata\": null}, {\"name\": \"pgs_region\", \"field_name\": \"pgs_region\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"n_inputs\", \"field_name\": \"n_inputs\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"astrom_offset_mean\", \"field_name\": \"astrom_offset_mean\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"astrom_offset_std\", \"field_name\": \"astrom_offset_std\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"eff_time\", \"field_name\": \"eff_time\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"eff_time_psf_sigma_scale\", \"field_name\": \"eff_time_psf_sigma_scale\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"eff_time_sky_bg_scale\", \"field_name\": \"eff_time_sky_bg_scale\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"eff_time_zero_point_scale\", \"field_name\": \"eff_time_zero_point_scale\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"max_dist_to_nearest_psf\", \"field_name\": \"max_dist_to_nearest_psf\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"mean_var\", \"field_name\": \"mean_var\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"n_psf_star\", \"field_name\": \"n_psf_star\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_area\", \"field_name\": \"psf_area\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_ixx\", \"field_name\": \"psf_ixx\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_ixy\", \"field_name\": \"psf_ixy\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_iyy\", \"field_name\": \"psf_iyy\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_sigma\", \"field_name\": \"psf_sigma\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_star_delta_e1_median\", \"field_name\": \"psf_star_delta_e1_median\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_star_delta_e1_scatter\", \"field_name\": \"psf_star_delta_e1_scatter\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_star_delta_e2_median\", \"field_name\": \"psf_star_delta_e2_median\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_star_delta_e2_scatter\", \"field_name\": \"psf_star_delta_e2_scatter\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_star_delta_size_median\", \"field_name\": \"psf_star_delta_size_median\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_star_delta_size_scatter\", \"field_name\": \"psf_star_delta_size_scatter\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_star_scaled_delta_size_scatter\", \"field_name\": \"psf_star_scaled_delta_size_scatter\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_trace_radius_delta\", \"field_name\": \"psf_trace_radius_delta\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"sky_bg\", \"field_name\": \"sky_bg\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"sky_noise\", \"field_name\": \"sky_noise\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"seeing_zenith_500nm\", \"field_name\": \"seeing_zenith_500nm\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"zero_point\", \"field_name\": \"zero_point\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"low_snr_source_count\", \"field_name\": \"low_snr_source_count\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"high_snr_source_count\", \"field_name\": \"high_snr_source_count\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"pixel_scale\", \"field_name\": \"pixel_scale\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"stats_mag_lim\", \"field_name\": \"stats_mag_lim\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_ap_flux_delta\", \"field_name\": \"psf_ap_flux_delta\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psf_ap_corr_sigma_scaled_delta\", \"field_name\": \"psf_ap_corr_sigma_scaled_delta\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"astrom_ra\", \"field_name\": \"astrom_ra\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"astrom_dec\", \"field_name\": \"astrom_dec\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"astrom_sky_rotation\", \"field_name\": \"astrom_sky_rotation\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"observationId\", \"field_name\": \"observationId\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"fieldRA\", \"field_name\": \"fieldRA\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"fieldDec\", \"field_name\": \"fieldDec\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"observationStartMJD\", \"field_name\": \"observationStartMJD\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"flush_by_mjd\", \"field_name\": \"flush_by_mjd\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"visitExposureTime\", \"field_name\": \"visitExposureTime\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"band_opsim\", \"field_name\": \"band_opsim\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"rotSkyPos\", \"field_name\": \"rotSkyPos\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"rotSkyPos_desired\", \"field_name\": \"rotSkyPos_desired\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"numExposures\", \"field_name\": \"numExposures\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"airmass_opsim\", \"field_name\": \"airmass_opsim\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"seeingFwhm500\", \"field_name\": \"seeingFwhm500\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"seeingFwhmEff\", \"field_name\": \"seeingFwhmEff\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"seeingFwhmGeom\", \"field_name\": \"seeingFwhmGeom\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"skyBrightness\", \"field_name\": \"skyBrightness\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"night\", \"field_name\": \"night\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"slewTime\", \"field_name\": \"slewTime\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"visitTime\", \"field_name\": \"visitTime\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"slewDistance\", \"field_name\": \"slewDistance\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"fiveSigmaDepth\", \"field_name\": \"fiveSigmaDepth\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"altitude_opsim\", \"field_name\": \"altitude_opsim\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"azimuth_opsim\", \"field_name\": \"azimuth_opsim\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"paraAngle\", \"field_name\": \"paraAngle\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"psudoParaAngle\", \"field_name\": \"psudoParaAngle\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"cloud\", \"field_name\": \"cloud\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"moonAlt\", \"field_name\": \"moonAlt\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"sunAlt\", \"field_name\": \"sunAlt\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"note\", \"field_name\": \"note\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"scheduler_note_opsim\", \"field_name\": \"scheduler_note_opsim\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"target_name_opsim\", \"field_name\": \"target_name_opsim\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"observationStartLST\", \"field_name\": \"observationStartLST\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"rotTelPos\", \"field_name\": \"rotTelPos\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"rotTelPos_backup\", \"field_name\": \"rotTelPos_backup\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"moonAz\", \"field_name\": \"moonAz\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"sunAz\", \"field_name\": \"sunAz\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"sunRA\", \"field_name\": \"sunRA\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"sunDec\", \"field_name\": \"sunDec\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"moonRA\", \"field_name\": \"moonRA\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"moonDec\", \"field_name\": \"moonDec\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"moonDistance\", \"field_name\": \"moonDistance\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"solarElong\", \"field_name\": \"solarElong\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"moonPhase\", \"field_name\": \"moonPhase\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"cummTelAz\", \"field_name\": \"cummTelAz\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"observation_reason_opsim\", \"field_name\": \"observation_reason_opsim\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"science_program_opsim\", \"field_name\": \"science_program_opsim\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"start_date\", \"field_name\": \"start_date\", \"pandas_type\": \"object\", \"numpy_type\": \"str\", \"metadata\": null}, {\"name\": \"HA\", \"field_name\": \"HA\", \"pandas_type\": \"float64\", \"numpy_type\": \"float64\", \"metadata\": null}, {\"name\": \"observationStartDatetime64\", \"field_name\": \"observationStartDatetime64\", \"pandas_type\": \"datetime\", \"numpy_type\": \"datetime64[ns]\", \"metadata\": null}, {\"name\": \"start_timestamp\", \"field_name\": 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