{"assessment":{"best_window":{"end":"2026-12-19T01:30Z","end_local":"03:30","hours":5.33,"label":"good","mean_quality":0.69,"start":"2026-12-18T20:10Z","start_local":"22:10"},"cost":{"altitude":3.34,"clouds":0.0,"darkness":0.96,"moon":2.89},"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":23,"cloud":null,"high":null,"iso":"2026-12-18T15:00Z","label":"unusable","low":null,"mid":null,"moon_alt":45,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"17:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2026-12-18T16:00Z","label":"poor","low":null,"mid":null,"moon_alt":53,"precip":null,"q":0.24,"rh":null,"sky":"astronomical twilight","temp":null,"time":"18:00","wind":null},{"alt":45,"cloud":null,"high":null,"iso":"2026-12-18T17:00Z","label":"marginal","low":null,"mid":null,"moon_alt":57,"precip":null,"q":0.5,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":56,"cloud":null,"high":null,"iso":"2026-12-18T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":56,"precip":null,"q":0.55,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":66,"cloud":null,"high":null,"iso":"2026-12-18T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":51,"precip":null,"q":0.57,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":72,"cloud":null,"high":null,"iso":"2026-12-18T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":43,"precip":null,"q":0.6,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":71,"cloud":null,"high":null,"iso":"2026-12-18T21:00Z","label":"good","low":null,"mid":null,"moon_alt":33,"precip":null,"q":0.63,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":63,"cloud":null,"high":null,"iso":"2026-12-18T22:00Z","label":"good","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.67,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":52,"cloud":null,"high":null,"iso":"2026-12-18T23:00Z","label":"good","low":null,"mid":null,"moon_alt":12,"precip":null,"q":0.68,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2026-12-19T00:00Z","label":"good","low":null,"mid":null,"moon_alt":1,"precip":null,"q":0.66,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":30,"cloud":null,"high":null,"iso":"2026-12-19T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.8,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":19,"cloud":null,"high":null,"iso":"2026-12-19T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":9,"cloud":null,"high":null,"iso":"2026-12-19T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-26,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2026-12-19T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-32,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":-10,"cloud":null,"high":null,"iso":"2026-12-19T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-36,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.86,"peak_sky":0.86,"quality_hours":6.03,"reasons":["the target being low or below 20\u00b0 cost 3.3 quality-hours","moonlight cost 2.9 quality-hours","daylight and twilight cost 1.0 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":86,"score_weather":null,"sky_hours":6.03,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2026-12-18T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-12-18T14:50Z","start_local":"16:50"},{"end":"2026-12-18T16:35Z","end_local":"18:35","hours":1.17,"label":"poor","mean_quality":0.15,"start":"2026-12-18T15:25Z","start_local":"17:25"},{"end":"2026-12-18T20:10Z","end_local":"22:10","hours":3.58,"label":"marginal","mean_quality":0.55,"start":"2026-12-18T16:35Z","start_local":"18:35"},{"end":"2026-12-19T01:30Z","end_local":"03:30","hours":5.33,"label":"good","mean_quality":0.69,"start":"2026-12-18T20:10Z","start_local":"22:10"},{"end":"2026-12-19T01:55Z","end_local":"03:55","hours":0.42,"label":"marginal","mean_quality":0.51,"start":"2026-12-19T01:30Z","start_local":"03:30"},{"end":"2026-12-19T05:45Z","end_local":"07:45","hours":3.83,"label":"unusable","mean_quality":0.0,"start":"2026-12-19T01:55Z","start_local":"03:55"}]},"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":"2026-12-18T16:32:44Z","dark_hours":11.5,"dark_to":"2026-12-19T04:02:59Z","moon":{"illumination":0.673,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":3.92,"moonrise":"2026-12-18T10:44:22Z","moonset":"2026-12-19T00:06:00Z","sunrise":"2026-12-19T05:43:29Z","sunset":"2026-12-18T14:52:15Z","twilight":{"astronomical":{"end":"2026-12-18T16:32:44Z","start":"2026-12-19T04:02:59Z"},"civil":{"end":"2026-12-18T15:23:50Z","start":"2026-12-19T05:11:54Z"},"nautical":{"end":"2026-12-18T15:58:53Z","start":"2026-12-19T04:36:50Z"}},"window_end":"2026-12-19T10:00:00Z","window_start":"2026-12-18T10:00:00Z"},"night_date":"2026-12-18","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.05,"alt":72.5,"t":"2026-12-18T20:20:00Z"},"dec":24.11388889,"dec_of_date":24.1961,"dec_str":"+24\u00b0 06' 50.0\"","good_hours":8.5,"limit_rise":"2026-12-18T14:43:32Z","limit_set":"2026-12-19T01:54:54Z","max_az_rate_deg_per_min":0.76,"moon_separation":42.3,"never_rises":false,"ra":56.60083333,"ra_of_date":57.0026,"ra_str":"03h 46m 24.2s","resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"summary":"8.5 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2026-12-19T03:53:21Z","blocked_dark_hours":0,"clears_at":"2026-12-18T12:53:48Z","rise_az":58.2},"track":[{"above_terrain":false,"airmass":null,"alt":-20.23,"az":24.0,"t":"2026-12-18T10:00:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-19.84,"az":25.2,"t":"2026-12-18T10:05:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-19.44,"az":26.3,"t":"2026-12-18T10:10:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-19.01,"az":27.4,"t":"2026-12-18T10:15:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-18.57,"az":28.6,"t":"2026-12-18T10:20:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-18.12,"az":29.7,"t":"2026-12-18T10:25:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-17.65,"az":30.8,"t":"2026-12-18T10:30:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-17.16,"az":31.8,"t":"2026-12-18T10:35:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-16.66,"az":32.9,"t":"2026-12-18T10:40:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-16.14,"az":34.0,"t":"2026-12-18T10:45:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-15.61,"az":35.0,"t":"2026-12-18T10:50:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-15.07,"az":36.1,"t":"2026-12-18T10:55:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-14.51,"az":37.1,"t":"2026-12-18T11:00:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-13.94,"az":38.1,"t":"2026-12-18T11:05:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.36,"az":39.1,"t":"2026-12-18T11:10:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-12.76,"az":40.1,"t":"2026-12-18T11:15:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-12.15,"az":41.1,"t":"2026-12-18T11:20:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-11.53,"az":42.1,"t":"2026-12-18T11:25:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-10.9,"az":43.1,"t":"2026-12-18T11:30:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-10.25,"az":44.0,"t":"2026-12-18T11:35:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-9.59,"az":45.0,"t":"2026-12-18T11:40:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-8.93,"az":45.9,"t":"2026-12-18T11:45:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-8.25,"az":46.9,"t":"2026-12-18T11:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-7.56,"az":47.8,"t":"2026-12-18T11:55:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":48.7,"t":"2026-12-18T12:00:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-6.16,"az":49.6,"t":"2026-12-18T12:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-5.44,"az":50.5,"t":"2026-12-18T12:10:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-4.71,"az":51.4,"t":"2026-12-18T12:15:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.98,"az":52.3,"t":"2026-12-18T12:20:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":53.1,"t":"2026-12-18T12:25:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":54.0,"t":"2026-12-18T12:30:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-1.72,"az":54.8,"t":"2026-12-18T12:35:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-0.95,"az":55.7,"t":"2026-12-18T12:40:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-0.17,"az":56.5,"t":"2026-12-18T12:45:00Z","terrain":1.06},{"above_terrain":false,"airmass":30.08,"alt":0.61,"az":57.4,"t":"2026-12-18T12:50:00Z","terrain":1.13},{"above_terrain":true,"airmass":23.1,"alt":1.41,"az":58.2,"t":"2026-12-18T12:55:00Z","terrain":1.24},{"above_terrain":true,"airmass":18.4,"alt":2.2,"az":59.0,"t":"2026-12-18T13:00:00Z","terrain":1.21},{"above_terrain":true,"airmass":15.11,"alt":3.01,"az":59.8,"t":"2026-12-18T13:05:00Z","terrain":1.18},{"above_terrain":true,"airmass":12.73,"alt":3.82,"az":60.6,"t":"2026-12-18T13:10:00Z","terrain":1.12},{"above_terrain":true,"airmass":10.95,"alt":4.64,"az":61.4,"t":"2026-12-18T13:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":9.57,"alt":5.47,"az":62.2,"t":"2026-12-18T13:20:00Z","terrain":0.99},{"above_terrain":true,"airmass":8.48,"alt":6.3,"az":63.0,"t":"2026-12-18T13:25:00Z","terrain":0.91},{"above_terrain":true,"airmass":7.6,"alt":7.13,"az":63.8,"t":"2026-12-18T13:30:00Z","terrain":0.8},{"above_terrain":true,"airmass":6.87,"alt":7.98,"az":64.6,"t":"2026-12-18T13:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.27,"alt":8.82,"az":65.3,"t":"2026-12-18T13:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":5.76,"alt":9.68,"az":66.1,"t":"2026-12-18T13:45:00Z","terrain":0.84},{"above_terrain":true,"airmass":5.32,"alt":10.54,"az":66.9,"t":"2026-12-18T13:50:00Z","terrain":0.92},{"above_terrain":true,"airmass":4.94,"alt":11.4,"az":67.6,"t":"2026-12-18T13:55:00Z","terrain":0.97},{"above_terrain":true,"airmass":4.61,"alt":12.27,"az":68.4,"t":"2026-12-18T14:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":4.32,"alt":13.14,"az":69.2,"t":"2026-12-18T14:05:00Z","terrain":1.08},{"above_terrain":true,"airmass":4.07,"alt":14.02,"az":69.9,"t":"2026-12-18T14:10:00Z","terrain":1.21},{"above_terrain":true,"airmass":3.84,"alt":14.9,"az":70.7,"t":"2026-12-18T14:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":3.63,"alt":15.78,"az":71.4,"t":"2026-12-18T14:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.45,"alt":16.67,"az":72.2,"t":"2026-12-18T14:25:00Z","terrain":1.16},{"above_terrain":true,"airmass":3.28,"alt":17.57,"az":72.9,"t":"2026-12-18T14:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":3.13,"alt":18.46,"az":73.7,"t":"2026-12-18T14:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.99,"alt":19.36,"az":74.4,"t":"2026-12-18T14:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.87,"alt":20.26,"az":75.2,"t":"2026-12-18T14:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.75,"alt":21.17,"az":75.9,"t":"2026-12-18T14:50:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.65,"alt":22.08,"az":76.6,"t":"2026-12-18T14:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.55,"alt":22.99,"az":77.4,"t":"2026-12-18T15:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":2.46,"alt":23.91,"az":78.1,"t":"2026-12-18T15:05:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.37,"alt":24.82,"az":78.9,"t":"2026-12-18T15:10:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.29,"alt":25.74,"az":79.6,"t":"2026-12-18T15:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.22,"alt":26.67,"az":80.4,"t":"2026-12-18T15:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.15,"alt":27.59,"az":81.2,"t":"2026-12-18T15:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.09,"alt":28.51,"az":81.9,"t":"2026-12-18T15:30:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.03,"alt":29.44,"az":82.7,"t":"2026-12-18T15:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.97,"alt":30.37,"az":83.4,"t":"2026-12-18T15:40:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.92,"alt":31.3,"az":84.2,"t":"2026-12-18T15:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.87,"alt":32.23,"az":85.0,"t":"2026-12-18T15:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.82,"alt":33.17,"az":85.8,"t":"2026-12-18T15:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.78,"alt":34.1,"az":86.6,"t":"2026-12-18T16:00:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.74,"alt":35.04,"az":87.4,"t":"2026-12-18T16:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.7,"alt":35.97,"az":88.2,"t":"2026-12-18T16:10:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.66,"alt":36.91,"az":89.0,"t":"2026-12-18T16:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.63,"alt":37.84,"az":89.8,"t":"2026-12-18T16:20:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.59,"alt":38.78,"az":90.7,"t":"2026-12-18T16:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.56,"alt":39.71,"az":91.5,"t":"2026-12-18T16:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.53,"alt":40.65,"az":92.4,"t":"2026-12-18T16:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.5,"alt":41.58,"az":93.2,"t":"2026-12-18T16:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.48,"alt":42.52,"az":94.1,"t":"2026-12-18T16:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.45,"alt":43.45,"az":95.0,"t":"2026-12-18T16:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.43,"alt":44.38,"az":96.0,"t":"2026-12-18T16:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.4,"alt":45.31,"az":96.9,"t":"2026-12-18T17:00:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.38,"alt":46.24,"az":97.9,"t":"2026-12-18T17:05:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.36,"alt":47.17,"az":98.8,"t":"2026-12-18T17:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.34,"alt":48.09,"az":99.8,"t":"2026-12-18T17:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.32,"alt":49.01,"az":100.9,"t":"2026-12-18T17:20:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.31,"alt":49.93,"az":101.9,"t":"2026-12-18T17:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.29,"alt":50.84,"az":103.0,"t":"2026-12-18T17:30:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.27,"alt":51.75,"az":104.1,"t":"2026-12-18T17:35:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.26,"alt":52.66,"az":105.2,"t":"2026-12-18T17:40:00Z","terrain":-0.31},{"above_terrain":true,"airmass":1.24,"alt":53.56,"az":106.4,"t":"2026-12-18T17:45:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.23,"alt":54.45,"az":107.6,"t":"2026-12-18T17:50:00Z","terrain":-0.8},{"above_terrain":true,"airmass":1.21,"alt":55.34,"az":108.9,"t":"2026-12-18T17:55:00Z","terrain":-1.15},{"above_terrain":true,"airmass":1.2,"alt":56.22,"az":110.2,"t":"2026-12-18T18:00:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.19,"alt":57.1,"az":111.5,"t":"2026-12-18T18:05:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.18,"alt":57.97,"az":112.9,"t":"2026-12-18T18:10:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.17,"alt":58.82,"az":114.3,"t":"2026-12-18T18:15:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.16,"alt":59.67,"az":115.8,"t":"2026-12-18T18:20:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.15,"alt":60.51,"az":117.4,"t":"2026-12-18T18:25:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.14,"alt":61.33,"az":119.0,"t":"2026-12-18T18:30:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.13,"alt":62.15,"az":120.7,"t":"2026-12-18T18:35:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.12,"alt":62.94,"az":122.5,"t":"2026-12-18T18:40:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.11,"alt":63.72,"az":124.4,"t":"2026-12-18T18:45:00Z","terrain":-1.54},{"above_terrain":true,"airmass":1.11,"alt":64.49,"az":126.3,"t":"2026-12-18T18:50:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.1,"alt":65.23,"az":128.3,"t":"2026-12-18T18:55:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.09,"alt":65.95,"az":130.5,"t":"2026-12-18T19:00:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.09,"alt":66.65,"az":132.7,"t":"2026-12-18T19:05:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.08,"alt":67.33,"az":135.1,"t":"2026-12-18T19:10:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.08,"alt":67.97,"az":137.6,"t":"2026-12-18T19:15:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.07,"alt":68.59,"az":140.2,"t":"2026-12-18T19:20:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.07,"alt":69.17,"az":142.9,"t":"2026-12-18T19:25:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.07,"alt":69.72,"az":145.8,"t":"2026-12-18T19:30:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.06,"alt":70.22,"az":148.8,"t":"2026-12-18T19:35:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.06,"alt":70.69,"az":151.9,"t":"2026-12-18T19:40:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.06,"alt":71.1,"az":155.2,"t":"2026-12-18T19:45:00Z","terrain":-1.11},{"above_terrain":true,"airmass":1.05,"alt":71.47,"az":158.5,"t":"2026-12-18T19:50:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.05,"alt":71.79,"az":162.0,"t":"2026-12-18T19:55:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.05,"alt":72.05,"az":165.6,"t":"2026-12-18T20:00:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.05,"alt":72.25,"az":169.3,"t":"2026-12-18T20:05:00Z","terrain":-0.76},{"above_terrain":true,"airmass":1.05,"alt":72.4,"az":173.0,"t":"2026-12-18T20:10:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.05,"alt":72.48,"az":176.8,"t":"2026-12-18T20:15:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.05,"alt":72.5,"az":180.6,"t":"2026-12-18T20:20:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.05,"alt":72.46,"az":184.4,"t":"2026-12-18T20:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.05,"alt":72.36,"az":188.2,"t":"2026-12-18T20:30:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.05,"alt":72.2,"az":191.9,"t":"2026-12-18T20:35:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.05,"alt":71.97,"az":195.5,"t":"2026-12-18T20:40:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.05,"alt":71.7,"az":199.1,"t":"2026-12-18T20:45:00Z","terrain":-0.32},{"above_terrain":true,"airmass":1.05,"alt":71.36,"az":202.5,"t":"2026-12-18T20:50:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.06,"alt":70.98,"az":205.9,"t":"2026-12-18T20:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.06,"alt":70.55,"az":209.1,"t":"2026-12-18T21:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.07,"az":212.2,"t":"2026-12-18T21:05:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.07,"alt":69.55,"az":215.1,"t":"2026-12-18T21:10:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.07,"alt":69.0,"az":217.9,"t":"2026-12-18T21:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.08,"alt":68.4,"az":220.6,"t":"2026-12-18T21:20:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.08,"alt":67.78,"az":223.2,"t":"2026-12-18T21:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.08,"alt":67.12,"az":225.6,"t":"2026-12-18T21:30:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.09,"alt":66.44,"az":228.0,"t":"2026-12-18T21:35:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.1,"alt":65.73,"az":230.2,"t":"2026-12-18T21:40:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.1,"alt":65.0,"az":232.3,"t":"2026-12-18T21:45:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.11,"alt":64.25,"az":234.3,"t":"2026-12-18T21:50:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.12,"alt":63.48,"az":236.2,"t":"2026-12-18T21:55:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.12,"alt":62.7,"az":238.1,"t":"2026-12-18T22:00:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.13,"alt":61.89,"az":239.8,"t":"2026-12-18T22:05:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.14,"alt":61.08,"az":241.5,"t":"2026-12-18T22:10:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.15,"alt":60.25,"az":243.1,"t":"2026-12-18T22:15:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.16,"alt":59.41,"az":244.6,"t":"2026-12-18T22:20:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.17,"alt":58.56,"az":246.1,"t":"2026-12-18T22:25:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.18,"alt":57.7,"az":247.6,"t":"2026-12-18T22:30:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.19,"alt":56.83,"az":248.9,"t":"2026-12-18T22:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.21,"alt":55.95,"az":250.3,"t":"2026-12-18T22:40:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.22,"alt":55.07,"az":251.5,"t":"2026-12-18T22:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.23,"alt":54.18,"az":252.8,"t":"2026-12-18T22:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.25,"alt":53.28,"az":254.0,"t":"2026-12-18T22:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.26,"alt":52.38,"az":255.1,"t":"2026-12-18T23:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.28,"alt":51.47,"az":256.3,"t":"2026-12-18T23:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.29,"alt":50.56,"az":257.4,"t":"2026-12-18T23:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.31,"alt":49.64,"az":258.4,"t":"2026-12-18T23:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.33,"alt":48.73,"az":259.5,"t":"2026-12-18T23:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.35,"alt":47.8,"az":260.5,"t":"2026-12-18T23:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.37,"alt":46.88,"az":261.5,"t":"2026-12-18T23:30:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.39,"alt":45.95,"az":262.4,"t":"2026-12-18T23:35:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.41,"alt":45.02,"az":263.4,"t":"2026-12-18T23:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.44,"alt":44.09,"az":264.3,"t":"2026-12-18T23:45:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.46,"alt":43.16,"az":265.2,"t":"2026-12-18T23:50:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.49,"alt":42.23,"az":266.1,"t":"2026-12-18T23:55:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.51,"alt":41.29,"az":267.0,"t":"2026-12-19T00:00:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.54,"alt":40.36,"az":267.9,"t":"2026-12-19T00:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.57,"alt":39.42,"az":268.8,"t":"2026-12-19T00:10:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.6,"alt":38.49,"az":269.6,"t":"2026-12-19T00:15:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.64,"alt":37.55,"az":270.4,"t":"2026-12-19T00:20:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.67,"alt":36.62,"az":271.3,"t":"2026-12-19T00:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.71,"alt":35.68,"az":272.1,"t":"2026-12-19T00:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.75,"alt":34.74,"az":272.9,"t":"2026-12-19T00:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.79,"alt":33.81,"az":273.7,"t":"2026-12-19T00:40:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.84,"alt":32.88,"az":274.5,"t":"2026-12-19T00:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.89,"alt":31.94,"az":275.2,"t":"2026-12-19T00:50:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.94,"alt":31.01,"az":276.0,"t":"2026-12-19T00:55:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.99,"alt":30.08,"az":276.8,"t":"2026-12-19T01:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.05,"alt":29.15,"az":277.6,"t":"2026-12-19T01:05:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.11,"alt":28.23,"az":278.3,"t":"2026-12-19T01:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.17,"alt":27.3,"az":279.1,"t":"2026-12-19T01:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.24,"alt":26.38,"az":279.8,"t":"2026-12-19T01:20:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.32,"alt":25.46,"az":280.6,"t":"2026-12-19T01:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.4,"alt":24.54,"az":281.3,"t":"2026-12-19T01:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.48,"alt":23.62,"az":282.1,"t":"2026-12-19T01:35:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.58,"alt":22.71,"az":282.8,"t":"2026-12-19T01:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.68,"alt":21.8,"az":283.6,"t":"2026-12-19T01:45:00Z","terrain":0.07},{"above_terrain":true,"airmass":2.79,"alt":20.89,"az":284.3,"t":"2026-12-19T01:50:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.91,"alt":19.98,"az":285.1,"t":"2026-12-19T01:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.03,"alt":19.08,"az":285.8,"t":"2026-12-19T02:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.18,"alt":18.18,"az":286.6,"t":"2026-12-19T02:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.33,"alt":17.29,"az":287.3,"t":"2026-12-19T02:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.5,"alt":16.4,"az":288.1,"t":"2026-12-19T02:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.69,"alt":15.51,"az":288.8,"t":"2026-12-19T02:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.91,"alt":14.62,"az":289.6,"t":"2026-12-19T02:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":4.14,"alt":13.74,"az":290.3,"t":"2026-12-19T02:30:00Z","terrain":0.35},{"above_terrain":true,"airmass":4.41,"alt":12.87,"az":291.1,"t":"2026-12-19T02:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.71,"alt":12.0,"az":291.8,"t":"2026-12-19T02:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":5.05,"alt":11.13,"az":292.6,"t":"2026-12-19T02:45:00Z","terrain":0.39},{"above_terrain":true,"airmass":5.45,"alt":10.27,"az":293.4,"t":"2026-12-19T02:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":5.91,"alt":9.41,"az":294.1,"t":"2026-12-19T02:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":6.45,"alt":8.56,"az":294.9,"t":"2026-12-19T03:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":7.09,"alt":7.71,"az":295.7,"t":"2026-12-19T03:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":7.85,"alt":6.87,"az":296.5,"t":"2026-12-19T03:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":8.79,"alt":6.04,"az":297.2,"t":"2026-12-19T03:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":9.96,"alt":5.21,"az":298.0,"t":"2026-12-19T03:20:00Z","terrain":0.12},{"above_terrain":true,"airmass":11.45,"alt":4.39,"az":298.8,"t":"2026-12-19T03:25:00Z","terrain":0.16},{"above_terrain":true,"airmass":13.4,"alt":3.57,"az":299.6,"t":"2026-12-19T03:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":16.02,"alt":2.76,"az":300.4,"t":"2026-12-19T03:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":19.67,"alt":1.96,"az":301.3,"t":"2026-12-19T03:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":24.97,"alt":1.16,"az":302.1,"t":"2026-12-19T03:45:00Z","terrain":0.06},{"above_terrain":true,"airmass":32.9,"alt":0.37,"az":302.9,"t":"2026-12-19T03:50:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-0.41,"az":303.7,"t":"2026-12-19T03:55:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-1.19,"az":304.6,"t":"2026-12-19T04:00:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":305.4,"t":"2026-12-19T04:05:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-2.71,"az":306.3,"t":"2026-12-19T04:10:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-3.46,"az":307.1,"t":"2026-12-19T04:15:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-4.2,"az":308.0,"t":"2026-12-19T04:20:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-4.94,"az":308.9,"t":"2026-12-19T04:25:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-5.66,"az":309.8,"t":"2026-12-19T04:30:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-6.38,"az":310.7,"t":"2026-12-19T04:35:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-7.08,"az":311.6,"t":"2026-12-19T04:40:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-7.78,"az":312.5,"t":"2026-12-19T04:45:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-8.46,"az":313.4,"t":"2026-12-19T04:50:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-9.14,"az":314.4,"t":"2026-12-19T04:55:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-9.8,"az":315.3,"t":"2026-12-19T05:00:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-10.45,"az":316.3,"t":"2026-12-19T05:05:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-11.09,"az":317.2,"t":"2026-12-19T05:10:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-11.72,"az":318.2,"t":"2026-12-19T05:15:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-12.34,"az":319.2,"t":"2026-12-19T05:20:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-12.95,"az":320.2,"t":"2026-12-19T05:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.54,"az":321.2,"t":"2026-12-19T05:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-14.12,"az":322.2,"t":"2026-12-19T05:35:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-14.69,"az":323.2,"t":"2026-12-19T05:40:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-15.24,"az":324.3,"t":"2026-12-19T05:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.78,"az":325.3,"t":"2026-12-19T05:50:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-16.31,"az":326.4,"t":"2026-12-19T05:55:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-16.82,"az":327.4,"t":"2026-12-19T06:00:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-17.31,"az":328.5,"t":"2026-12-19T06:05:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-17.8,"az":329.6,"t":"2026-12-19T06:10:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-18.26,"az":330.7,"t":"2026-12-19T06:15:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-18.71,"az":331.8,"t":"2026-12-19T06:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-19.15,"az":332.9,"t":"2026-12-19T06:25:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-19.56,"az":334.0,"t":"2026-12-19T06:30:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-19.97,"az":335.2,"t":"2026-12-19T06:35:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-20.35,"az":336.3,"t":"2026-12-19T06:40:00Z","terrain":-0.8},{"above_terrain":false,"airmass":null,"alt":-20.72,"az":337.5,"t":"2026-12-19T06:45:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-21.07,"az":338.6,"t":"2026-12-19T06:50:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-21.4,"az":339.8,"t":"2026-12-19T06:55:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-21.71,"az":341.0,"t":"2026-12-19T07:00:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-22.01,"az":342.2,"t":"2026-12-19T07:05:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-22.29,"az":343.4,"t":"2026-12-19T07:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-22.54,"az":344.6,"t":"2026-12-19T07:15:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-22.78,"az":345.8,"t":"2026-12-19T07:20:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-23.0,"az":347.0,"t":"2026-12-19T07:25:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-23.2,"az":348.2,"t":"2026-12-19T07:30:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-23.38,"az":349.5,"t":"2026-12-19T07:35:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-23.55,"az":350.7,"t":"2026-12-19T07:40:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-23.69,"az":351.9,"t":"2026-12-19T07:45:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-23.81,"az":353.2,"t":"2026-12-19T07:50:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-23.91,"az":354.4,"t":"2026-12-19T07:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-23.99,"az":355.7,"t":"2026-12-19T08:00:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-24.05,"az":356.9,"t":"2026-12-19T08:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-24.09,"az":358.2,"t":"2026-12-19T08:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-24.11,"az":359.4,"t":"2026-12-19T08:15:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-24.11,"az":0.7,"t":"2026-12-19T08:20:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-24.09,"az":1.9,"t":"2026-12-19T08:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-24.04,"az":3.2,"t":"2026-12-19T08:30:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-23.98,"az":4.4,"t":"2026-12-19T08:35:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-23.9,"az":5.7,"t":"2026-12-19T08:40:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-23.8,"az":6.9,"t":"2026-12-19T08:45:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-23.67,"az":8.2,"t":"2026-12-19T08:50:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-23.53,"az":9.4,"t":"2026-12-19T08:55:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-23.37,"az":10.6,"t":"2026-12-19T09:00:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-23.18,"az":11.9,"t":"2026-12-19T09:05:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-22.98,"az":13.1,"t":"2026-12-19T09:10:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-22.76,"az":14.3,"t":"2026-12-19T09:15:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-22.52,"az":15.5,"t":"2026-12-19T09:20:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-22.26,"az":16.7,"t":"2026-12-19T09:25:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-21.98,"az":17.9,"t":"2026-12-19T09:30:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-21.68,"az":19.1,"t":"2026-12-19T09:35:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-21.37,"az":20.3,"t":"2026-12-19T09:40:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-21.03,"az":21.5,"t":"2026-12-19T09:45:00Z","terrain":0.83},{"above_terrain":false,"airmass":null,"alt":-20.68,"az":22.6,"t":"2026-12-19T09:50:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-20.31,"az":23.8,"t":"2026-12-19T09:55:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-19.93,"az":24.9,"t":"2026-12-19T10:00:00Z","terrain":1.2}],"transit":{"airmass":1.05,"alt":72.5,"az":180.6,"t":"2026-12-18T20:20:00Z"},"usable_hours":9.33,"verdict":"good","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}