{"assessment":{"best_window":{"end":"2028-09-12T01:55Z","end_local":"04:55","hours":7.67,"label":"good","mean_quality":0.87,"start":"2028-09-11T18:15Z","start_local":"21:15"},"cost":{"altitude":0.82,"clouds":0.0,"darkness":1.37,"moon":0.74},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":58,"cloud":null,"high":null,"iso":"2028-09-11T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2028-09-11T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.5,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":79,"cloud":null,"high":null,"iso":"2028-09-11T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-11,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":87,"cloud":null,"high":null,"iso":"2028-09-11T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-4,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2028-09-11T21:00Z","label":"good","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.9,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":67,"cloud":null,"high":null,"iso":"2028-09-11T22:00Z","label":"good","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.89,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":57,"cloud":null,"high":null,"iso":"2028-09-11T23:00Z","label":"good","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.85,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":46,"cloud":null,"high":null,"iso":"2028-09-12T00:00Z","label":"good","low":null,"mid":null,"moon_alt":36,"precip":null,"q":0.78,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2028-09-12T01:00Z","label":"good","low":null,"mid":null,"moon_alt":47,"precip":null,"q":0.71,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2028-09-12T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":58,"precip":null,"q":0.56,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2028-09-12T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":67,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":7.37,"reasons":["daylight and twilight cost 1.4 quality-hours","the target being low or below 20\u00b0 cost 0.8 quality-hours","moonlight cost 0.7 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":7.37,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2028-09-11T17:05Z","end_local":"20:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-09-11T16:35Z","start_local":"19:35"},{"end":"2028-09-11T17:40Z","end_local":"20:40","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2028-09-11T17:05Z","start_local":"20:05"},{"end":"2028-09-11T18:15Z","end_local":"21:15","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2028-09-11T17:40Z","start_local":"20:40"},{"end":"2028-09-12T01:55Z","end_local":"04:55","hours":7.67,"label":"good","mean_quality":0.87,"start":"2028-09-11T18:15Z","start_local":"21:15"},{"end":"2028-09-12T02:25Z","end_local":"05:25","hours":0.5,"label":"marginal","mean_quality":0.53,"start":"2028-09-12T01:55Z","start_local":"04:55"},{"end":"2028-09-12T02:50Z","end_local":"05:50","hours":0.42,"label":"poor","mean_quality":0.2,"start":"2028-09-12T02:25Z","start_local":"05:25"},{"end":"2028-09-12T04:00Z","end_local":"07:00","hours":1.17,"label":"unusable","mean_quality":0.0,"start":"2028-09-12T02:50Z","start_local":"05:50"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2028-09-11T18:12:00Z","dark_hours":8.19,"dark_to":"2028-09-12T02:23:14Z","moon":{"illumination":0.511,"phase":"last quarter","waxing":false},"moon_free_dark_hours":2.2,"moonrise":"2028-09-11T20:25:19Z","moonset":"2028-09-11T11:12:54Z","sunrise":"2028-09-12T03:58:32Z","sunset":"2028-09-11T16:36:49Z","twilight":{"astronomical":{"end":"2028-09-11T18:12:00Z","start":"2028-09-12T02:23:14Z"},"civil":{"end":"2028-09-11T17:04:47Z","start":"2028-09-12T03:30:32Z"},"nautical":{"end":"2028-09-11T17:37:52Z","start":"2028-09-12T02:57:25Z"}},"window_end":"2028-09-12T09:00:00Z","window_start":"2028-09-11T09:00:00Z"},"night_date":"2028-09-11","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":87.2,"t":"2028-09-11T19:55:00Z"},"dec":44.33,"dec_of_date":44.4426,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":7.42,"limit_rise":"2028-09-11T13:02:53Z","limit_set":"2028-09-12T02:47:58Z","max_az_rate_deg_per_min":3.63,"moon_separation":92.5,"never_rises":false,"ra":314.69583333,"ra_of_date":314.9526,"ra_str":"20h 58m 47.0s","resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"summary":"7.4 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2028-09-12T06:04:27Z","blocked_dark_hours":0,"clears_at":"2028-09-11T10:10:06Z","rise_az":23.9},"track":[{"above_terrain":false,"airmass":null,"alt":-2.72,"az":11.1,"t":"2028-09-11T09:00:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.54,"az":12.0,"t":"2028-09-11T09:05:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-2.33,"az":12.9,"t":"2028-09-11T09:10:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-2.12,"az":13.8,"t":"2028-09-11T09:15:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-1.89,"az":14.6,"t":"2028-09-11T09:20:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-1.65,"az":15.5,"t":"2028-09-11T09:25:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.39,"az":16.3,"t":"2028-09-11T09:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.12,"az":17.2,"t":"2028-09-11T09:35:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.83,"az":18.1,"t":"2028-09-11T09:40:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-0.54,"az":18.9,"t":"2028-09-11T09:45:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-0.23,"az":19.7,"t":"2028-09-11T09:50:00Z","terrain":0.66},{"above_terrain":false,"airmass":36.56,"alt":0.09,"az":20.6,"t":"2028-09-11T09:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":32.18,"alt":0.43,"az":21.4,"t":"2028-09-11T10:00:00Z","terrain":0.81},{"above_terrain":false,"airmass":28.39,"alt":0.78,"az":22.2,"t":"2028-09-11T10:05:00Z","terrain":1.03},{"above_terrain":false,"airmass":25.15,"alt":1.14,"az":23.0,"t":"2028-09-11T10:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":22.38,"alt":1.51,"az":23.9,"t":"2028-09-11T10:15:00Z","terrain":0.95},{"above_terrain":true,"airmass":20.01,"alt":1.89,"az":24.7,"t":"2028-09-11T10:20:00Z","terrain":1.12},{"above_terrain":true,"airmass":17.99,"alt":2.29,"az":25.5,"t":"2028-09-11T10:25:00Z","terrain":1.28},{"above_terrain":true,"airmass":16.25,"alt":2.7,"az":26.3,"t":"2028-09-11T10:30:00Z","terrain":1.32},{"above_terrain":true,"airmass":14.75,"alt":3.12,"az":27.1,"t":"2028-09-11T10:35:00Z","terrain":1.27},{"above_terrain":true,"airmass":13.45,"alt":3.55,"az":27.8,"t":"2028-09-11T10:40:00Z","terrain":1.2},{"above_terrain":true,"airmass":12.32,"alt":3.99,"az":28.6,"t":"2028-09-11T10:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":11.33,"alt":4.45,"az":29.4,"t":"2028-09-11T10:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":10.46,"alt":4.91,"az":30.2,"t":"2028-09-11T10:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":9.69,"alt":5.39,"az":30.9,"t":"2028-09-11T11:00:00Z","terrain":1.3},{"above_terrain":true,"airmass":9.0,"alt":5.87,"az":31.7,"t":"2028-09-11T11:05:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.39,"alt":6.37,"az":32.4,"t":"2028-09-11T11:10:00Z","terrain":1.18},{"above_terrain":true,"airmass":7.85,"alt":6.88,"az":33.2,"t":"2028-09-11T11:15:00Z","terrain":0.89},{"above_terrain":true,"airmass":7.36,"alt":7.39,"az":33.9,"t":"2028-09-11T11:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":6.92,"alt":7.92,"az":34.6,"t":"2028-09-11T11:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":6.52,"alt":8.46,"az":35.4,"t":"2028-09-11T11:30:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.15,"alt":9.0,"az":36.1,"t":"2028-09-11T11:35:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.82,"alt":9.56,"az":36.8,"t":"2028-09-11T11:40:00Z","terrain":-0.06},{"above_terrain":true,"airmass":5.52,"alt":10.13,"az":37.5,"t":"2028-09-11T11:45:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.24,"alt":10.7,"az":38.2,"t":"2028-09-11T11:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.99,"alt":11.28,"az":38.9,"t":"2028-09-11T11:55:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.76,"alt":11.87,"az":39.6,"t":"2028-09-11T12:00:00Z","terrain":-0.1},{"above_terrain":true,"airmass":4.54,"alt":12.48,"az":40.2,"t":"2028-09-11T12:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":4.34,"alt":13.08,"az":40.9,"t":"2028-09-11T12:10:00Z","terrain":0.01},{"above_terrain":true,"airmass":4.15,"alt":13.7,"az":41.6,"t":"2028-09-11T12:15:00Z","terrain":0.08},{"above_terrain":true,"airmass":3.98,"alt":14.33,"az":42.2,"t":"2028-09-11T12:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":3.82,"alt":14.96,"az":42.9,"t":"2028-09-11T12:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.67,"alt":15.6,"az":43.5,"t":"2028-09-11T12:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.53,"alt":16.25,"az":44.2,"t":"2028-09-11T12:35:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.4,"alt":16.91,"az":44.8,"t":"2028-09-11T12:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.28,"alt":17.57,"az":45.4,"t":"2028-09-11T12:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.17,"alt":18.24,"az":46.1,"t":"2028-09-11T12:50:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.06,"alt":18.92,"az":46.7,"t":"2028-09-11T12:55:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.96,"alt":19.6,"az":47.3,"t":"2028-09-11T13:00:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.86,"alt":20.29,"az":47.9,"t":"2028-09-11T13:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.77,"alt":20.99,"az":48.5,"t":"2028-09-11T13:10:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.69,"alt":21.69,"az":49.1,"t":"2028-09-11T13:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.61,"alt":22.4,"az":49.7,"t":"2028-09-11T13:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.53,"alt":23.12,"az":50.3,"t":"2028-09-11T13:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":2.46,"alt":23.84,"az":50.8,"t":"2028-09-11T13:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.39,"alt":24.57,"az":51.4,"t":"2028-09-11T13:35:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.33,"alt":25.31,"az":52.0,"t":"2028-09-11T13:40:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.27,"alt":26.05,"az":52.5,"t":"2028-09-11T13:45:00Z","terrain":0.74},{"above_terrain":true,"airmass":2.21,"alt":26.79,"az":53.1,"t":"2028-09-11T13:50:00Z","terrain":0.85},{"above_terrain":true,"airmass":2.16,"alt":27.54,"az":53.6,"t":"2028-09-11T13:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.1,"alt":28.3,"az":54.2,"t":"2028-09-11T14:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.05,"alt":29.06,"az":54.7,"t":"2028-09-11T14:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.0,"alt":29.83,"az":55.2,"t":"2028-09-11T14:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.96,"alt":30.6,"az":55.8,"t":"2028-09-11T14:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.92,"alt":31.38,"az":56.3,"t":"2028-09-11T14:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.87,"alt":32.16,"az":56.8,"t":"2028-09-11T14:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.83,"alt":32.94,"az":57.3,"t":"2028-09-11T14:30:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.8,"alt":33.73,"az":57.8,"t":"2028-09-11T14:35:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.76,"alt":34.53,"az":58.3,"t":"2028-09-11T14:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.32,"az":58.8,"t":"2028-09-11T14:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.69,"alt":36.13,"az":59.3,"t":"2028-09-11T14:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.66,"alt":36.93,"az":59.8,"t":"2028-09-11T14:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.63,"alt":37.74,"az":60.2,"t":"2028-09-11T15:00:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.6,"alt":38.56,"az":60.7,"t":"2028-09-11T15:05:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.57,"alt":39.38,"az":61.2,"t":"2028-09-11T15:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.55,"alt":40.2,"az":61.6,"t":"2028-09-11T15:15:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.52,"alt":41.02,"az":62.1,"t":"2028-09-11T15:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.5,"alt":41.85,"az":62.5,"t":"2028-09-11T15:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.47,"alt":42.69,"az":63.0,"t":"2028-09-11T15:30:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.45,"alt":43.52,"az":63.4,"t":"2028-09-11T15:35:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.43,"alt":44.36,"az":63.9,"t":"2028-09-11T15:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.41,"alt":45.2,"az":64.3,"t":"2028-09-11T15:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":46.05,"az":64.7,"t":"2028-09-11T15:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.89,"az":65.1,"t":"2028-09-11T15:55:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.74,"az":65.5,"t":"2028-09-11T16:00:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.6,"az":65.9,"t":"2028-09-11T16:05:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.31,"alt":49.45,"az":66.3,"t":"2028-09-11T16:10:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.3,"alt":50.31,"az":66.7,"t":"2028-09-11T16:15:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.28,"alt":51.17,"az":67.1,"t":"2028-09-11T16:20:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.27,"alt":52.04,"az":67.5,"t":"2028-09-11T16:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.25,"alt":52.9,"az":67.9,"t":"2028-09-11T16:30:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.77,"az":68.2,"t":"2028-09-11T16:35:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.64,"az":68.6,"t":"2028-09-11T16:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.21,"alt":55.51,"az":68.9,"t":"2028-09-11T16:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.2,"alt":56.39,"az":69.3,"t":"2028-09-11T16:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.19,"alt":57.26,"az":69.6,"t":"2028-09-11T16:55:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.18,"alt":58.14,"az":69.9,"t":"2028-09-11T17:00:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.17,"alt":59.02,"az":70.2,"t":"2028-09-11T17:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.9,"az":70.5,"t":"2028-09-11T17:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.79,"az":70.8,"t":"2028-09-11T17:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.67,"az":71.1,"t":"2028-09-11T17:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":62.56,"az":71.4,"t":"2028-09-11T17:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.45,"az":71.6,"t":"2028-09-11T17:30:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":64.34,"az":71.9,"t":"2028-09-11T17:35:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.23,"az":72.1,"t":"2028-09-11T17:40:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.09,"alt":66.12,"az":72.3,"t":"2028-09-11T17:45:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.09,"alt":67.01,"az":72.5,"t":"2028-09-11T17:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.08,"alt":67.9,"az":72.6,"t":"2028-09-11T17:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.07,"alt":68.79,"az":72.8,"t":"2028-09-11T18:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.07,"alt":69.69,"az":72.9,"t":"2028-09-11T18:05:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.06,"alt":70.58,"az":72.9,"t":"2028-09-11T18:10:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.05,"alt":71.48,"az":73.0,"t":"2028-09-11T18:15:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.05,"alt":72.37,"az":73.0,"t":"2028-09-11T18:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.04,"alt":73.27,"az":72.9,"t":"2028-09-11T18:25:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.04,"alt":74.16,"az":72.8,"t":"2028-09-11T18:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.03,"alt":75.06,"az":72.6,"t":"2028-09-11T18:35:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.03,"alt":75.95,"az":72.4,"t":"2028-09-11T18:40:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.03,"alt":76.84,"az":72.0,"t":"2028-09-11T18:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.02,"alt":77.73,"az":71.5,"t":"2028-09-11T18:50:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.02,"alt":78.61,"az":70.9,"t":"2028-09-11T18:55:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":79.5,"az":70.2,"t":"2028-09-11T19:00:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.01,"alt":80.38,"az":69.2,"t":"2028-09-11T19:05:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.01,"alt":81.25,"az":67.9,"t":"2028-09-11T19:10:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.01,"alt":82.11,"az":66.2,"t":"2028-09-11T19:15:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.01,"alt":82.96,"az":64.0,"t":"2028-09-11T19:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.79,"az":61.2,"t":"2028-09-11T19:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.0,"alt":84.59,"az":57.3,"t":"2028-09-11T19:30:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.0,"alt":85.36,"az":52.0,"t":"2028-09-11T19:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.0,"alt":86.06,"az":44.5,"t":"2028-09-11T19:40:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":86.65,"az":33.9,"t":"2028-09-11T19:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":87.08,"az":19.4,"t":"2028-09-11T19:50:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.0,"alt":87.25,"az":1.6,"t":"2028-09-11T19:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.0,"alt":87.13,"az":343.5,"t":"2028-09-11T20:00:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.0,"alt":86.74,"az":328.3,"t":"2028-09-11T20:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.0,"alt":86.17,"az":317.1,"t":"2028-09-11T20:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.0,"alt":85.48,"az":309.2,"t":"2028-09-11T20:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.0,"alt":84.73,"az":303.5,"t":"2028-09-11T20:20:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.01,"alt":83.93,"az":299.4,"t":"2028-09-11T20:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.01,"alt":83.1,"az":296.4,"t":"2028-09-11T20:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.01,"alt":82.26,"az":294.1,"t":"2028-09-11T20:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.01,"alt":81.4,"az":292.4,"t":"2028-09-11T20:40:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.01,"alt":80.53,"az":291.0,"t":"2028-09-11T20:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.02,"alt":79.65,"az":290.0,"t":"2028-09-11T20:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.02,"alt":78.77,"az":289.2,"t":"2028-09-11T20:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.02,"alt":77.88,"az":288.6,"t":"2028-09-11T21:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":76.99,"az":288.1,"t":"2028-09-11T21:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.1,"az":287.7,"t":"2028-09-11T21:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.03,"alt":75.21,"az":287.4,"t":"2028-09-11T21:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.04,"alt":74.32,"az":287.2,"t":"2028-09-11T21:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.04,"alt":73.42,"az":287.1,"t":"2028-09-11T21:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":72.53,"az":287.1,"t":"2028-09-11T21:30:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.05,"alt":71.63,"az":287.0,"t":"2028-09-11T21:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":70.74,"az":287.1,"t":"2028-09-11T21:40:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":69.84,"az":287.1,"t":"2028-09-11T21:45:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.07,"alt":68.95,"az":287.2,"t":"2028-09-11T21:50:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.08,"alt":68.06,"az":287.4,"t":"2028-09-11T21:55:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.08,"alt":67.16,"az":287.5,"t":"2028-09-11T22:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.09,"alt":66.27,"az":287.7,"t":"2028-09-11T22:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.1,"alt":65.38,"az":287.9,"t":"2028-09-11T22:10:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.11,"alt":64.49,"az":288.1,"t":"2028-09-11T22:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.6,"az":288.3,"t":"2028-09-11T22:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.71,"az":288.6,"t":"2028-09-11T22:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.13,"alt":61.83,"az":288.8,"t":"2028-09-11T22:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":60.94,"az":289.1,"t":"2028-09-11T22:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.15,"alt":60.06,"az":289.4,"t":"2028-09-11T22:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.16,"alt":59.17,"az":289.7,"t":"2028-09-11T22:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.17,"alt":58.29,"az":290.0,"t":"2028-09-11T22:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.19,"alt":57.42,"az":290.3,"t":"2028-09-11T22:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.2,"alt":56.54,"az":290.7,"t":"2028-09-11T23:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.21,"alt":55.66,"az":291.0,"t":"2028-09-11T23:05:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.22,"alt":54.79,"az":291.3,"t":"2028-09-11T23:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":53.92,"az":291.7,"t":"2028-09-11T23:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.25,"alt":53.05,"az":292.1,"t":"2028-09-11T23:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.26,"alt":52.19,"az":292.4,"t":"2028-09-11T23:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.28,"alt":51.32,"az":292.8,"t":"2028-09-11T23:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.3,"alt":50.46,"az":293.2,"t":"2028-09-11T23:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.31,"alt":49.6,"az":293.6,"t":"2028-09-11T23:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.75,"az":294.0,"t":"2028-09-11T23:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.89,"az":294.4,"t":"2028-09-11T23:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":47.04,"az":294.8,"t":"2028-09-11T23:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.38,"alt":46.19,"az":295.2,"t":"2028-09-12T00:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.4,"alt":45.35,"az":295.6,"t":"2028-09-12T00:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.42,"alt":44.5,"az":296.1,"t":"2028-09-12T00:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.45,"alt":43.67,"az":296.5,"t":"2028-09-12T00:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.47,"alt":42.83,"az":296.9,"t":"2028-09-12T00:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.49,"alt":42.0,"az":297.4,"t":"2028-09-12T00:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.52,"alt":41.17,"az":297.8,"t":"2028-09-12T00:30:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.54,"alt":40.34,"az":298.3,"t":"2028-09-12T00:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.57,"alt":39.52,"az":298.7,"t":"2028-09-12T00:40:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.7,"az":299.2,"t":"2028-09-12T00:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.63,"alt":37.88,"az":299.7,"t":"2028-09-12T00:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.66,"alt":37.07,"az":300.1,"t":"2028-09-12T00:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.69,"alt":36.27,"az":300.6,"t":"2028-09-12T01:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.72,"alt":35.46,"az":301.1,"t":"2028-09-12T01:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.75,"alt":34.66,"az":301.6,"t":"2028-09-12T01:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.79,"alt":33.87,"az":302.1,"t":"2028-09-12T01:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.83,"alt":33.08,"az":302.6,"t":"2028-09-12T01:20:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.87,"alt":32.29,"az":303.1,"t":"2028-09-12T01:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.91,"alt":31.51,"az":303.6,"t":"2028-09-12T01:30:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.95,"alt":30.73,"az":304.1,"t":"2028-09-12T01:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.0,"alt":29.96,"az":304.7,"t":"2028-09-12T01:40:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.04,"alt":29.19,"az":305.2,"t":"2028-09-12T01:45:00Z","terrain":-0.27},{"above_terrain":true,"airmass":2.09,"alt":28.43,"az":305.7,"t":"2028-09-12T01:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.15,"alt":27.67,"az":306.3,"t":"2028-09-12T01:55:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.2,"alt":26.92,"az":306.8,"t":"2028-09-12T02:00:00Z","terrain":0.12},{"above_terrain":true,"airmass":2.26,"alt":26.18,"az":307.4,"t":"2028-09-12T02:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.32,"alt":25.43,"az":307.9,"t":"2028-09-12T02:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.38,"alt":24.7,"az":308.5,"t":"2028-09-12T02:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.45,"alt":23.97,"az":309.1,"t":"2028-09-12T02:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.52,"alt":23.25,"az":309.6,"t":"2028-09-12T02:25:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.6,"alt":22.53,"az":310.2,"t":"2028-09-12T02:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.68,"alt":21.82,"az":310.8,"t":"2028-09-12T02:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.76,"alt":21.11,"az":311.4,"t":"2028-09-12T02:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.85,"alt":20.41,"az":312.0,"t":"2028-09-12T02:45:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.94,"alt":19.72,"az":312.6,"t":"2028-09-12T02:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.04,"alt":19.03,"az":313.2,"t":"2028-09-12T02:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.15,"alt":18.36,"az":313.8,"t":"2028-09-12T03:00:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.26,"alt":17.68,"az":314.4,"t":"2028-09-12T03:05:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.38,"alt":17.02,"az":315.1,"t":"2028-09-12T03:10:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.51,"alt":16.36,"az":315.7,"t":"2028-09-12T03:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":3.65,"alt":15.71,"az":316.3,"t":"2028-09-12T03:20:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.8,"alt":15.07,"az":317.0,"t":"2028-09-12T03:25:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.95,"alt":14.43,"az":317.6,"t":"2028-09-12T03:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.12,"alt":13.81,"az":318.3,"t":"2028-09-12T03:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":4.31,"alt":13.19,"az":319.0,"t":"2028-09-12T03:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":4.5,"alt":12.58,"az":319.6,"t":"2028-09-12T03:45:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.72,"alt":11.98,"az":320.3,"t":"2028-09-12T03:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.95,"alt":11.38,"az":321.0,"t":"2028-09-12T03:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.2,"alt":10.8,"az":321.7,"t":"2028-09-12T04:00:00Z","terrain":0.08},{"above_terrain":true,"airmass":5.47,"alt":10.22,"az":322.4,"t":"2028-09-12T04:05:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.77,"alt":9.66,"az":323.1,"t":"2028-09-12T04:10:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.1,"alt":9.1,"az":323.8,"t":"2028-09-12T04:15:00Z","terrain":-0.15},{"above_terrain":true,"airmass":6.45,"alt":8.55,"az":324.5,"t":"2028-09-12T04:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.85,"alt":8.01,"az":325.2,"t":"2028-09-12T04:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.28,"alt":7.48,"az":326.0,"t":"2028-09-12T04:30:00Z","terrain":-0.24},{"above_terrain":true,"airmass":7.76,"alt":6.97,"az":326.7,"t":"2028-09-12T04:35:00Z","terrain":-0.35},{"above_terrain":true,"airmass":8.3,"alt":6.46,"az":327.4,"t":"2028-09-12T04:40:00Z","terrain":-0.32},{"above_terrain":true,"airmass":8.89,"alt":5.96,"az":328.2,"t":"2028-09-12T04:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":9.56,"alt":5.47,"az":328.9,"t":"2028-09-12T04:50:00Z","terrain":-0.14},{"above_terrain":true,"airmass":10.32,"alt":4.99,"az":329.7,"t":"2028-09-12T04:55:00Z","terrain":-0.29},{"above_terrain":true,"airmass":11.17,"alt":4.53,"az":330.5,"t":"2028-09-12T05:00:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.14,"alt":4.07,"az":331.2,"t":"2028-09-12T05:05:00Z","terrain":-0.33},{"above_terrain":true,"airmass":13.24,"alt":3.63,"az":332.0,"t":"2028-09-12T05:10:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.51,"alt":3.19,"az":332.8,"t":"2028-09-12T05:15:00Z","terrain":-0.12},{"above_terrain":true,"airmass":15.97,"alt":2.77,"az":333.6,"t":"2028-09-12T05:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":17.67,"alt":2.36,"az":334.4,"t":"2028-09-12T05:25:00Z","terrain":-0.37},{"above_terrain":true,"airmass":19.64,"alt":1.96,"az":335.2,"t":"2028-09-12T05:30:00Z","terrain":-0.64},{"above_terrain":true,"airmass":21.94,"alt":1.57,"az":336.0,"t":"2028-09-12T05:35:00Z","terrain":-0.83},{"above_terrain":true,"airmass":24.64,"alt":1.2,"az":336.8,"t":"2028-09-12T05:40:00Z","terrain":-0.75},{"above_terrain":true,"airmass":27.8,"alt":0.84,"az":337.6,"t":"2028-09-12T05:45:00Z","terrain":-0.57},{"above_terrain":true,"airmass":31.49,"alt":0.49,"az":338.5,"t":"2028-09-12T05:50:00Z","terrain":-0.6},{"above_terrain":true,"airmass":35.76,"alt":0.15,"az":339.3,"t":"2028-09-12T05:55:00Z","terrain":-0.69},{"above_terrain":true,"airmass":null,"alt":-0.17,"az":340.1,"t":"2028-09-12T06:00:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-0.49,"az":341.0,"t":"2028-09-12T06:05:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-0.78,"az":341.8,"t":"2028-09-12T06:10:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-1.07,"az":342.7,"t":"2028-09-12T06:15:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-1.34,"az":343.5,"t":"2028-09-12T06:20:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.6,"az":344.4,"t":"2028-09-12T06:25:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.85,"az":345.2,"t":"2028-09-12T06:30:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-2.08,"az":346.1,"t":"2028-09-12T06:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-2.3,"az":347.0,"t":"2028-09-12T06:40:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-2.5,"az":347.8,"t":"2028-09-12T06:45:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-2.69,"az":348.7,"t":"2028-09-12T06:50:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-2.87,"az":349.6,"t":"2028-09-12T06:55:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-3.03,"az":350.5,"t":"2028-09-12T07:00:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.18,"az":351.3,"t":"2028-09-12T07:05:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-3.31,"az":352.2,"t":"2028-09-12T07:10:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-3.43,"az":353.1,"t":"2028-09-12T07:15:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-3.54,"az":354.0,"t":"2028-09-12T07:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.63,"az":354.9,"t":"2028-09-12T07:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.7,"az":355.8,"t":"2028-09-12T07:30:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":356.7,"t":"2028-09-12T07:35:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":357.6,"t":"2028-09-12T07:40:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":358.5,"t":"2028-09-12T07:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":359.4,"t":"2028-09-12T07:50:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":0.3,"t":"2028-09-12T07:55:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":1.2,"t":"2028-09-12T08:00:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":2.1,"t":"2028-09-12T08:05:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-3.78,"az":3.0,"t":"2028-09-12T08:10:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":3.9,"t":"2028-09-12T08:15:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":4.8,"t":"2028-09-12T08:20:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-3.57,"az":5.6,"t":"2028-09-12T08:25:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-3.47,"az":6.5,"t":"2028-09-12T08:30:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.36,"az":7.4,"t":"2028-09-12T08:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":8.3,"t":"2028-09-12T08:40:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.09,"az":9.2,"t":"2028-09-12T08:45:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-2.93,"az":10.1,"t":"2028-09-12T08:50:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-2.76,"az":11.0,"t":"2028-09-12T08:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-2.58,"az":11.8,"t":"2028-09-12T09:00:00Z","terrain":-0.22}],"transit":{"airmass":1.0,"alt":87.2,"az":1.6,"t":"2028-09-11T19:55:00Z"},"usable_hours":8.17,"verdict":"good","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}