{"assessment":{"best_window":{"end":"2031-12-30T18:55Z","end_local":"20:55","hours":2.25,"label":"good","mean_quality":0.78,"start":"2031-12-30T16:40Z","start_local":"18:40"},"cost":{"altitude":9.61,"clouds":0.0,"darkness":1.39,"moon":0.18},"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 possible, with compromises \u2014 weather unknown","hourly":[{"alt":65,"cloud":null,"high":null,"iso":"2031-12-30T15:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-19,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"17:00","wind":null},{"alt":55,"cloud":null,"high":null,"iso":"2031-12-30T16:00Z","label":"poor","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.14,"rh":null,"sky":"nautical twilight","temp":null,"time":"18:00","wind":null},{"alt":45,"cloud":null,"high":null,"iso":"2031-12-30T17:00Z","label":"good","low":null,"mid":null,"moon_alt":0,"precip":null,"q":0.9,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2031-12-30T18:00Z","label":"good","low":null,"mid":null,"moon_alt":10,"precip":null,"q":0.76,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":26,"cloud":null,"high":null,"iso":"2031-12-30T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":21,"precip":null,"q":0.56,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":17,"cloud":null,"high":null,"iso":"2031-12-30T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":32,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2031-12-30T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":42,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2031-12-30T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":52,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2031-12-30T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":59,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2031-12-31T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":62,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2031-12-31T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":60,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2031-12-31T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":53,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2031-12-31T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":43,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2031-12-31T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":33,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2031-12-31T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.92,"peak_sky":0.92,"quality_hours":2.43,"reasons":["the target being low or below 20\u00b0 cost 9.6 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":56,"score_weather":null,"sky_hours":2.43,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2031-12-30T15:35Z","end_local":"17:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2031-12-30T14:55Z","start_local":"16:55"},{"end":"2031-12-30T16:10Z","end_local":"18:10","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2031-12-30T15:35Z","start_local":"17:35"},{"end":"2031-12-30T16:40Z","end_local":"18:40","hours":0.5,"label":"marginal","mean_quality":0.47,"start":"2031-12-30T16:10Z","start_local":"18:10"},{"end":"2031-12-30T18:55Z","end_local":"20:55","hours":2.25,"label":"good","mean_quality":0.78,"start":"2031-12-30T16:40Z","start_local":"18:40"},{"end":"2031-12-30T19:40Z","end_local":"21:40","hours":0.75,"label":"marginal","mean_quality":0.48,"start":"2031-12-30T18:55Z","start_local":"20:55"},{"end":"2031-12-31T05:50Z","end_local":"07:50","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2031-12-30T19:40Z","start_local":"21:40"}]},"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":"2031-12-30T16:39:26Z","dark_hours":11.47,"dark_to":"2031-12-31T04:07:45Z","moon":{"illumination":0.955,"phase":"waning gibbous","waxing":false},"moon_free_dark_hours":0.35,"moonrise":"2031-12-30T17:01:02Z","moonset":"2031-12-31T07:00:18Z","sunrise":"2031-12-31T05:47:55Z","sunset":"2031-12-30T14:59:11Z","twilight":{"astronomical":{"end":"2031-12-30T16:39:26Z","start":"2031-12-31T04:07:45Z"},"civil":{"end":"2031-12-30T15:30:40Z","start":"2031-12-31T05:16:28Z"},"nautical":{"end":"2031-12-30T16:05:38Z","start":"2031-12-31T04:41:31Z"}},"window_end":"2031-12-31T10:00:00Z","window_start":"2031-12-30T10:00:00Z"},"night_date":"2031-12-30","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.34,"alt":48.0,"t":"2031-12-30T16:40:00Z"},"dec":44.33,"dec_of_date":44.4556,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":1.92,"limit_rise":"2031-12-31T05:49:22Z","limit_set":"2031-12-30T19:38:30Z","max_az_rate_deg_per_min":3.64,"moon_separation":120.2,"never_rises":false,"ra":314.69583333,"ra_of_date":314.9821,"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":"Only 1.9 h above 30\u00b0, 3.0 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2031-12-30T22:55:06Z","blocked_dark_hours":0,"clears_at":"2031-12-31T02:55:54Z","rise_az":70.5},"track":[{"above_terrain":true,"airmass":1.16,"alt":59.82,"az":70.5,"t":"2031-12-30T10:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.71,"az":70.8,"t":"2031-12-30T10:05:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.59,"az":71.1,"t":"2031-12-30T10:10:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":62.48,"az":71.3,"t":"2031-12-30T10:15:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.36,"az":71.6,"t":"2031-12-30T10:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.11,"alt":64.25,"az":71.8,"t":"2031-12-30T10:25:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.14,"az":72.0,"t":"2031-12-30T10:30:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.09,"alt":66.03,"az":72.2,"t":"2031-12-30T10:35:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.09,"alt":66.92,"az":72.4,"t":"2031-12-30T10:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.08,"alt":67.82,"az":72.6,"t":"2031-12-30T10:45:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.07,"alt":68.71,"az":72.7,"t":"2031-12-30T10:50:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.07,"alt":69.6,"az":72.8,"t":"2031-12-30T10:55:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.06,"alt":70.5,"az":72.9,"t":"2031-12-30T11:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.05,"alt":71.39,"az":72.9,"t":"2031-12-30T11:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.05,"alt":72.29,"az":72.9,"t":"2031-12-30T11:10:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.04,"alt":73.18,"az":72.9,"t":"2031-12-30T11:15:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.04,"alt":74.08,"az":72.8,"t":"2031-12-30T11:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.04,"alt":74.97,"az":72.6,"t":"2031-12-30T11:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.03,"alt":75.86,"az":72.3,"t":"2031-12-30T11:30:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.03,"alt":76.75,"az":72.0,"t":"2031-12-30T11:35:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.02,"alt":77.64,"az":71.5,"t":"2031-12-30T11:40:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.02,"alt":78.53,"az":70.9,"t":"2031-12-30T11:45:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":79.41,"az":70.2,"t":"2031-12-30T11:50:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.01,"alt":80.29,"az":69.2,"t":"2031-12-30T11:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.01,"alt":81.16,"az":67.9,"t":"2031-12-30T12:00:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.01,"alt":82.02,"az":66.3,"t":"2031-12-30T12:05:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.01,"alt":82.87,"az":64.2,"t":"2031-12-30T12:10:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.71,"az":61.4,"t":"2031-12-30T12:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.0,"alt":84.51,"az":57.6,"t":"2031-12-30T12:20:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.0,"alt":85.28,"az":52.4,"t":"2031-12-30T12:25:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.0,"alt":85.99,"az":45.2,"t":"2031-12-30T12:30:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.0,"alt":86.59,"az":34.9,"t":"2031-12-30T12:35:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.0,"alt":87.03,"az":20.9,"t":"2031-12-30T12:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.0,"alt":87.23,"az":3.4,"t":"2031-12-30T12:45:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.0,"alt":87.14,"az":345.2,"t":"2031-12-30T12:50:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.0,"alt":86.77,"az":329.7,"t":"2031-12-30T12:55:00Z","terrain":-0.28},{"above_terrain":true,"airmass":1.0,"alt":86.22,"az":318.1,"t":"2031-12-30T13:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.0,"alt":85.54,"az":309.9,"t":"2031-12-30T13:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.0,"alt":84.8,"az":304.1,"t":"2031-12-30T13:10:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.01,"alt":84.0,"az":299.9,"t":"2031-12-30T13:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.01,"alt":83.18,"az":296.7,"t":"2031-12-30T13:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.01,"alt":82.33,"az":294.4,"t":"2031-12-30T13:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.47,"az":292.6,"t":"2031-12-30T13:30:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.01,"alt":80.61,"az":291.2,"t":"2031-12-30T13:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.02,"alt":79.73,"az":290.2,"t":"2031-12-30T13:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.02,"alt":78.85,"az":289.3,"t":"2031-12-30T13:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.02,"alt":77.96,"az":288.7,"t":"2031-12-30T13:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":77.08,"az":288.2,"t":"2031-12-30T13:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.19,"az":287.8,"t":"2031-12-30T14:00:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.03,"alt":75.29,"az":287.5,"t":"2031-12-30T14:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.04,"alt":74.4,"az":287.3,"t":"2031-12-30T14:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.04,"alt":73.51,"az":287.2,"t":"2031-12-30T14:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":72.61,"az":287.1,"t":"2031-12-30T14:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":71.72,"az":287.1,"t":"2031-12-30T14:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.06,"alt":70.82,"az":287.1,"t":"2031-12-30T14:30:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.06,"alt":69.93,"az":287.2,"t":"2031-12-30T14:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.07,"alt":69.03,"az":287.3,"t":"2031-12-30T14:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.08,"alt":68.14,"az":287.4,"t":"2031-12-30T14:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.08,"alt":67.25,"az":287.5,"t":"2031-12-30T14:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.09,"alt":66.36,"az":287.7,"t":"2031-12-30T14:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.1,"alt":65.46,"az":287.9,"t":"2031-12-30T15:00:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.11,"alt":64.57,"az":288.1,"t":"2031-12-30T15:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.69,"az":288.3,"t":"2031-12-30T15:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.8,"az":288.6,"t":"2031-12-30T15:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.13,"alt":61.91,"az":288.8,"t":"2031-12-30T15:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.03,"az":289.1,"t":"2031-12-30T15:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.15,"alt":60.14,"az":289.4,"t":"2031-12-30T15:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.16,"alt":59.26,"az":289.7,"t":"2031-12-30T15:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.17,"alt":58.38,"az":290.0,"t":"2031-12-30T15:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.18,"alt":57.5,"az":290.3,"t":"2031-12-30T15:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.2,"alt":56.62,"az":290.7,"t":"2031-12-30T15:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.21,"alt":55.75,"az":291.0,"t":"2031-12-30T15:55:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.22,"alt":54.88,"az":291.3,"t":"2031-12-30T16:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":54.01,"az":291.7,"t":"2031-12-30T16:05:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.25,"alt":53.14,"az":292.1,"t":"2031-12-30T16:10:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.26,"alt":52.27,"az":292.4,"t":"2031-12-30T16:15:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.28,"alt":51.41,"az":292.8,"t":"2031-12-30T16:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.29,"alt":50.55,"az":293.2,"t":"2031-12-30T16:25:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.31,"alt":49.69,"az":293.6,"t":"2031-12-30T16:30:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.83,"az":294.0,"t":"2031-12-30T16:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.34,"alt":47.98,"az":294.4,"t":"2031-12-30T16:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.36,"alt":47.12,"az":294.8,"t":"2031-12-30T16:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.38,"alt":46.28,"az":295.2,"t":"2031-12-30T16:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.4,"alt":45.43,"az":295.6,"t":"2031-12-30T16:55:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.42,"alt":44.59,"az":296.0,"t":"2031-12-30T17:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.44,"alt":43.75,"az":296.5,"t":"2031-12-30T17:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.47,"alt":42.91,"az":296.9,"t":"2031-12-30T17:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.49,"alt":42.08,"az":297.3,"t":"2031-12-30T17:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.51,"alt":41.25,"az":297.8,"t":"2031-12-30T17:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.54,"alt":40.42,"az":298.2,"t":"2031-12-30T17:25:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.57,"alt":39.6,"az":298.7,"t":"2031-12-30T17:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.59,"alt":38.78,"az":299.2,"t":"2031-12-30T17:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.62,"alt":37.97,"az":299.6,"t":"2031-12-30T17:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.65,"alt":37.16,"az":300.1,"t":"2031-12-30T17:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.68,"alt":36.35,"az":300.6,"t":"2031-12-30T17:50:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.72,"alt":35.54,"az":301.1,"t":"2031-12-30T17:55:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.75,"alt":34.74,"az":301.6,"t":"2031-12-30T18:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.79,"alt":33.95,"az":302.1,"t":"2031-12-30T18:05:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.82,"alt":33.16,"az":302.6,"t":"2031-12-30T18:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.86,"alt":32.37,"az":303.1,"t":"2031-12-30T18:15:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.9,"alt":31.59,"az":303.6,"t":"2031-12-30T18:20:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.95,"alt":30.81,"az":304.1,"t":"2031-12-30T18:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.99,"alt":30.04,"az":304.6,"t":"2031-12-30T18:30:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.04,"alt":29.27,"az":305.2,"t":"2031-12-30T18:35:00Z","terrain":-0.27},{"above_terrain":true,"airmass":2.09,"alt":28.51,"az":305.7,"t":"2031-12-30T18:40:00Z","terrain":-0.21},{"above_terrain":true,"airmass":2.14,"alt":27.75,"az":306.2,"t":"2031-12-30T18:45:00Z","terrain":-0.09},{"above_terrain":true,"airmass":2.19,"alt":27.0,"az":306.8,"t":"2031-12-30T18:50:00Z","terrain":0.1},{"above_terrain":true,"airmass":2.25,"alt":26.25,"az":307.3,"t":"2031-12-30T18:55:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.31,"alt":25.51,"az":307.9,"t":"2031-12-30T19:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":2.38,"alt":24.78,"az":308.5,"t":"2031-12-30T19:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.44,"alt":24.05,"az":309.0,"t":"2031-12-30T19:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.51,"alt":23.32,"az":309.6,"t":"2031-12-30T19:15:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.59,"alt":22.6,"az":310.2,"t":"2031-12-30T19:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.67,"alt":21.89,"az":310.8,"t":"2031-12-30T19:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.75,"alt":21.19,"az":311.3,"t":"2031-12-30T19:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.84,"alt":20.49,"az":311.9,"t":"2031-12-30T19:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.93,"alt":19.79,"az":312.5,"t":"2031-12-30T19:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.03,"alt":19.11,"az":313.2,"t":"2031-12-30T19:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.14,"alt":18.43,"az":313.8,"t":"2031-12-30T19:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.25,"alt":17.76,"az":314.4,"t":"2031-12-30T19:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.37,"alt":17.09,"az":315.0,"t":"2031-12-30T20:00:00Z","terrain":0.56},{"above_terrain":true,"airmass":3.5,"alt":16.43,"az":315.7,"t":"2031-12-30T20:05:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.63,"alt":15.78,"az":316.3,"t":"2031-12-30T20:10:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.78,"alt":15.14,"az":316.9,"t":"2031-12-30T20:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.94,"alt":14.5,"az":317.6,"t":"2031-12-30T20:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.11,"alt":13.88,"az":318.2,"t":"2031-12-30T20:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":4.29,"alt":13.26,"az":318.9,"t":"2031-12-30T20:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":4.48,"alt":12.65,"az":319.6,"t":"2031-12-30T20:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.69,"alt":12.04,"az":320.3,"t":"2031-12-30T20:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.92,"alt":11.45,"az":320.9,"t":"2031-12-30T20:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.17,"alt":10.86,"az":321.6,"t":"2031-12-30T20:50:00Z","terrain":0.06},{"above_terrain":true,"airmass":5.44,"alt":10.29,"az":322.3,"t":"2031-12-30T20:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":5.73,"alt":9.72,"az":323.0,"t":"2031-12-30T21:00:00Z","terrain":0.07},{"above_terrain":true,"airmass":6.06,"alt":9.16,"az":323.7,"t":"2031-12-30T21:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":6.41,"alt":8.61,"az":324.5,"t":"2031-12-30T21:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.8,"alt":8.07,"az":325.2,"t":"2031-12-30T21:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.23,"alt":7.54,"az":325.9,"t":"2031-12-30T21:20:00Z","terrain":-0.24},{"above_terrain":true,"airmass":7.7,"alt":7.03,"az":326.6,"t":"2031-12-30T21:25:00Z","terrain":-0.34},{"above_terrain":true,"airmass":8.23,"alt":6.52,"az":327.4,"t":"2031-12-30T21:30:00Z","terrain":-0.33},{"above_terrain":true,"airmass":8.82,"alt":6.02,"az":328.1,"t":"2031-12-30T21:35:00Z","terrain":-0.22},{"above_terrain":true,"airmass":9.48,"alt":5.53,"az":328.9,"t":"2031-12-30T21:40:00Z","terrain":-0.14},{"above_terrain":true,"airmass":10.22,"alt":5.05,"az":329.6,"t":"2031-12-30T21:45:00Z","terrain":-0.27},{"above_terrain":true,"airmass":11.06,"alt":4.58,"az":330.4,"t":"2031-12-30T21:50:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.02,"alt":4.12,"az":331.2,"t":"2031-12-30T21:55:00Z","terrain":-0.35},{"above_terrain":true,"airmass":13.1,"alt":3.68,"az":332.0,"t":"2031-12-30T22:00:00Z","terrain":-0.15},{"above_terrain":true,"airmass":14.35,"alt":3.24,"az":332.7,"t":"2031-12-30T22:05:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.78,"alt":2.82,"az":333.5,"t":"2031-12-30T22:10:00Z","terrain":-0.18},{"above_terrain":true,"airmass":17.45,"alt":2.41,"az":334.3,"t":"2031-12-30T22:15:00Z","terrain":-0.35},{"above_terrain":true,"airmass":19.38,"alt":2.01,"az":335.1,"t":"2031-12-30T22:20:00Z","terrain":-0.62},{"above_terrain":true,"airmass":21.63,"alt":1.62,"az":335.9,"t":"2031-12-30T22:25:00Z","terrain":-0.81},{"above_terrain":true,"airmass":24.27,"alt":1.25,"az":336.7,"t":"2031-12-30T22:30:00Z","terrain":-0.76},{"above_terrain":true,"airmass":27.37,"alt":0.88,"az":337.6,"t":"2031-12-30T22:35:00Z","terrain":-0.58},{"above_terrain":true,"airmass":30.98,"alt":0.53,"az":338.4,"t":"2031-12-30T22:40:00Z","terrain":-0.58},{"above_terrain":true,"airmass":35.17,"alt":0.19,"az":339.2,"t":"2031-12-30T22:45:00Z","terrain":-0.7},{"above_terrain":true,"airmass":null,"alt":-0.13,"az":340.0,"t":"2031-12-30T22:50:00Z","terrain":-0.53},{"above_terrain":true,"airmass":null,"alt":-0.44,"az":340.9,"t":"2031-12-30T22:55:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-0.74,"az":341.7,"t":"2031-12-30T23:00:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-1.03,"az":342.6,"t":"2031-12-30T23:05:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-1.31,"az":343.4,"t":"2031-12-30T23:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.57,"az":344.3,"t":"2031-12-30T23:15:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.81,"az":345.1,"t":"2031-12-30T23:20:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-2.05,"az":346.0,"t":"2031-12-30T23:25:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-2.27,"az":346.9,"t":"2031-12-30T23:30:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-2.47,"az":347.7,"t":"2031-12-30T23:35:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-2.66,"az":348.6,"t":"2031-12-30T23:40:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-2.84,"az":349.5,"t":"2031-12-30T23:45:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-3.0,"az":350.4,"t":"2031-12-30T23:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.15,"az":351.3,"t":"2031-12-30T23:55:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-3.29,"az":352.1,"t":"2031-12-31T00:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-3.41,"az":353.0,"t":"2031-12-31T00:05:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-3.51,"az":353.9,"t":"2031-12-31T00:10:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-3.61,"az":354.8,"t":"2031-12-31T00:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":355.7,"t":"2031-12-31T00:20:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-3.75,"az":356.6,"t":"2031-12-31T00:25:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.79,"az":357.5,"t":"2031-12-31T00:30:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":358.4,"t":"2031-12-31T00:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":359.3,"t":"2031-12-31T00:40:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":0.2,"t":"2031-12-31T00:45:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":1.1,"t":"2031-12-31T00:50:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":2.0,"t":"2031-12-31T00:55:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-3.78,"az":2.9,"t":"2031-12-31T01:00:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":3.8,"t":"2031-12-31T01:05:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-3.65,"az":4.7,"t":"2031-12-31T01:10:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-3.57,"az":5.6,"t":"2031-12-31T01:15:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-3.47,"az":6.5,"t":"2031-12-31T01:20:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-3.36,"az":7.3,"t":"2031-12-31T01:25:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":8.2,"t":"2031-12-31T01:30:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-3.09,"az":9.1,"t":"2031-12-31T01:35:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-2.94,"az":10.0,"t":"2031-12-31T01:40:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-2.77,"az":10.9,"t":"2031-12-31T01:45:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-2.58,"az":11.8,"t":"2031-12-31T01:50:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-2.38,"az":12.6,"t":"2031-12-31T01:55:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-2.17,"az":13.5,"t":"2031-12-31T02:00:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":14.4,"t":"2031-12-31T02:05:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-1.71,"az":15.2,"t":"2031-12-31T02:10:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-1.46,"az":16.1,"t":"2031-12-31T02:15:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-1.19,"az":16.9,"t":"2031-12-31T02:20:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-0.91,"az":17.8,"t":"2031-12-31T02:25:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-0.62,"az":18.6,"t":"2031-12-31T02:30:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-0.31,"az":19.5,"t":"2031-12-31T02:35:00Z","terrain":0.64},{"above_terrain":false,"airmass":37.84,"alt":0.01,"az":20.3,"t":"2031-12-31T02:40:00Z","terrain":0.68},{"above_terrain":false,"airmass":33.31,"alt":0.34,"az":21.1,"t":"2031-12-31T02:45:00Z","terrain":0.73},{"above_terrain":false,"airmass":29.38,"alt":0.68,"az":22.0,"t":"2031-12-31T02:50:00Z","terrain":0.98},{"above_terrain":false,"airmass":25.99,"alt":1.04,"az":22.8,"t":"2031-12-31T02:55:00Z","terrain":1.12},{"above_terrain":true,"airmass":23.1,"alt":1.41,"az":23.6,"t":"2031-12-31T03:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":20.63,"alt":1.79,"az":24.4,"t":"2031-12-31T03:05:00Z","terrain":1.04},{"above_terrain":true,"airmass":18.52,"alt":2.18,"az":25.2,"t":"2031-12-31T03:10:00Z","terrain":1.25},{"above_terrain":true,"airmass":16.71,"alt":2.58,"az":26.0,"t":"2031-12-31T03:15:00Z","terrain":1.34},{"above_terrain":true,"airmass":15.15,"alt":3.0,"az":26.8,"t":"2031-12-31T03:20:00Z","terrain":1.29},{"above_terrain":true,"airmass":13.8,"alt":3.43,"az":27.6,"t":"2031-12-31T03:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":12.62,"alt":3.87,"az":28.4,"t":"2031-12-31T03:30:00Z","terrain":1.12},{"above_terrain":true,"airmass":11.6,"alt":4.32,"az":29.2,"t":"2031-12-31T03:35:00Z","terrain":1.02},{"above_terrain":true,"airmass":10.69,"alt":4.78,"az":29.9,"t":"2031-12-31T03:40:00Z","terrain":1.14},{"above_terrain":true,"airmass":9.9,"alt":5.25,"az":30.7,"t":"2031-12-31T03:45:00Z","terrain":1.26},{"above_terrain":true,"airmass":9.19,"alt":5.73,"az":31.4,"t":"2031-12-31T03:50:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.56,"alt":6.23,"az":32.2,"t":"2031-12-31T03:55:00Z","terrain":1.27},{"above_terrain":true,"airmass":8.0,"alt":6.73,"az":32.9,"t":"2031-12-31T04:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":7.5,"alt":7.24,"az":33.7,"t":"2031-12-31T04:05:00Z","terrain":0.61},{"above_terrain":true,"airmass":7.04,"alt":7.77,"az":34.4,"t":"2031-12-31T04:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":6.63,"alt":8.3,"az":35.1,"t":"2031-12-31T04:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.26,"alt":8.85,"az":35.8,"t":"2031-12-31T04:20:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.92,"alt":9.4,"az":36.6,"t":"2031-12-31T04:25:00Z","terrain":-0.04},{"above_terrain":true,"airmass":5.61,"alt":9.96,"az":37.3,"t":"2031-12-31T04:30:00Z","terrain":-0.12},{"above_terrain":true,"airmass":5.32,"alt":10.53,"az":38.0,"t":"2031-12-31T04:35:00Z","terrain":-0.21},{"above_terrain":true,"airmass":5.06,"alt":11.11,"az":38.7,"t":"2031-12-31T04:40:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.82,"alt":11.7,"az":39.3,"t":"2031-12-31T04:45:00Z","terrain":-0.12},{"above_terrain":true,"airmass":4.6,"alt":12.3,"az":40.0,"t":"2031-12-31T04:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":4.4,"alt":12.91,"az":40.7,"t":"2031-12-31T04:55:00Z","terrain":-0.0},{"above_terrain":true,"airmass":4.21,"alt":13.52,"az":41.4,"t":"2031-12-31T05:00:00Z","terrain":0.06},{"above_terrain":true,"airmass":4.03,"alt":14.14,"az":42.0,"t":"2031-12-31T05:05:00Z","terrain":0.12},{"above_terrain":true,"airmass":3.87,"alt":14.77,"az":42.7,"t":"2031-12-31T05:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.72,"alt":15.41,"az":43.3,"t":"2031-12-31T05:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.57,"alt":16.06,"az":44.0,"t":"2031-12-31T05:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.44,"alt":16.71,"az":44.6,"t":"2031-12-31T05:25:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.32,"alt":17.37,"az":45.2,"t":"2031-12-31T05:30:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.2,"alt":18.04,"az":45.9,"t":"2031-12-31T05:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.09,"alt":18.72,"az":46.5,"t":"2031-12-31T05:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.99,"alt":19.4,"az":47.1,"t":"2031-12-31T05:45:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.89,"alt":20.09,"az":47.7,"t":"2031-12-31T05:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.8,"alt":20.78,"az":48.3,"t":"2031-12-31T05:55:00Z","terrain":0.49},{"above_terrain":true,"airmass":2.71,"alt":21.48,"az":48.9,"t":"2031-12-31T06:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":2.63,"alt":22.19,"az":49.5,"t":"2031-12-31T06:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.56,"alt":22.91,"az":50.1,"t":"2031-12-31T06:10:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.48,"alt":23.63,"az":50.7,"t":"2031-12-31T06:15:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.41,"alt":24.36,"az":51.2,"t":"2031-12-31T06:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.35,"alt":25.09,"az":51.8,"t":"2031-12-31T06:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.29,"alt":25.83,"az":52.3,"t":"2031-12-31T06:30:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.23,"alt":26.57,"az":52.9,"t":"2031-12-31T06:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.17,"alt":27.32,"az":53.4,"t":"2031-12-31T06:40:00Z","terrain":0.91},{"above_terrain":true,"airmass":2.12,"alt":28.07,"az":54.0,"t":"2031-12-31T06:45:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.07,"alt":28.83,"az":54.5,"t":"2031-12-31T06:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.02,"alt":29.6,"az":55.1,"t":"2031-12-31T06:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.97,"alt":30.37,"az":55.6,"t":"2031-12-31T07:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.93,"alt":31.14,"az":56.1,"t":"2031-12-31T07:05:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.89,"alt":31.92,"az":56.6,"t":"2031-12-31T07:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.85,"alt":32.71,"az":57.1,"t":"2031-12-31T07:15:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.81,"alt":33.49,"az":57.6,"t":"2031-12-31T07:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.77,"alt":34.29,"az":58.1,"t":"2031-12-31T07:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.74,"alt":35.08,"az":58.6,"t":"2031-12-31T07:30:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.7,"alt":35.88,"az":59.1,"t":"2031-12-31T07:35:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.67,"alt":36.69,"az":59.6,"t":"2031-12-31T07:40:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.64,"alt":37.5,"az":60.1,"t":"2031-12-31T07:45:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.61,"alt":38.31,"az":60.6,"t":"2031-12-31T07:50:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.58,"alt":39.13,"az":61.0,"t":"2031-12-31T07:55:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.56,"alt":39.95,"az":61.5,"t":"2031-12-31T08:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.53,"alt":40.77,"az":61.9,"t":"2031-12-31T08:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.5,"alt":41.6,"az":62.4,"t":"2031-12-31T08:10:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.48,"alt":42.43,"az":62.8,"t":"2031-12-31T08:15:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.46,"alt":43.27,"az":63.3,"t":"2031-12-31T08:20:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.44,"alt":44.11,"az":63.7,"t":"2031-12-31T08:25:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.41,"alt":44.95,"az":64.1,"t":"2031-12-31T08:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":45.79,"az":64.6,"t":"2031-12-31T08:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.64,"az":65.0,"t":"2031-12-31T08:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.36,"alt":47.49,"az":65.4,"t":"2031-12-31T08:45:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.34,"alt":48.34,"az":65.8,"t":"2031-12-31T08:50:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":49.19,"az":66.2,"t":"2031-12-31T08:55:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.3,"alt":50.05,"az":66.6,"t":"2031-12-31T09:00:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.29,"alt":50.91,"az":67.0,"t":"2031-12-31T09:05:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.27,"alt":51.77,"az":67.4,"t":"2031-12-31T09:10:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.26,"alt":52.64,"az":67.7,"t":"2031-12-31T09:15:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.24,"alt":53.51,"az":68.1,"t":"2031-12-31T09:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.38,"az":68.5,"t":"2031-12-31T09:25:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.22,"alt":55.25,"az":68.8,"t":"2031-12-31T09:30:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.2,"alt":56.12,"az":69.2,"t":"2031-12-31T09:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.19,"alt":57.0,"az":69.5,"t":"2031-12-31T09:40:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.18,"alt":57.87,"az":69.8,"t":"2031-12-31T09:45:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.17,"alt":58.75,"az":70.1,"t":"2031-12-31T09:50:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.16,"alt":59.63,"az":70.4,"t":"2031-12-31T09:55:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.52,"az":70.7,"t":"2031-12-31T10:00:00Z","terrain":1.25}],"transit":{"airmass":1.0,"alt":87.2,"az":3.4,"t":"2031-12-30T12:45:00Z"},"usable_hours":3.0,"verdict":"marginal","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."]}
