{"assessment":{"best_window":{"end":"2030-01-29T22:45Z","end_local":"00:45","hours":5.58,"label":"good","mean_quality":0.93,"start":"2030-01-29T17:10Z","start_local":"19:10"},"cost":{"altitude":5.83,"clouds":0.0,"darkness":1.33,"moon":0.0},"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":64,"cloud":null,"high":null,"iso":"2030-01-29T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-50,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":71,"cloud":null,"high":null,"iso":"2030-01-29T17:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-60,"precip":null,"q":0.5,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":72,"cloud":null,"high":null,"iso":"2030-01-29T18:00Z","label":"good","low":null,"mid":null,"moon_alt":-69,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":65,"cloud":null,"high":null,"iso":"2030-01-29T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-72,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":55,"cloud":null,"high":null,"iso":"2030-01-29T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-69,"precip":null,"q":0.97,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2030-01-29T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-60,"precip":null,"q":0.89,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2030-01-29T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-50,"precip":null,"q":0.82,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2030-01-29T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-40,"precip":null,"q":0.46,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":11,"cloud":null,"high":null,"iso":"2030-01-30T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-29,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2030-01-30T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-19,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2030-01-30T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-15,"cloud":null,"high":null,"iso":"2030-01-30T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":1,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-21,"cloud":null,"high":null,"iso":"2030-01-30T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":9,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":-24,"cloud":null,"high":null,"iso":"2030-01-30T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":5.72,"reasons":["the target being low or below 20\u00b0 cost 5.8 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":5.72,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2030-01-29T16:05Z","end_local":"18:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2030-01-29T15:30Z","start_local":"17:30"},{"end":"2030-01-29T16:40Z","end_local":"18:40","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2030-01-29T16:05Z","start_local":"18:05"},{"end":"2030-01-29T17:10Z","end_local":"19:10","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2030-01-29T16:40Z","start_local":"18:40"},{"end":"2030-01-29T22:45Z","end_local":"00:45","hours":5.58,"label":"good","mean_quality":0.93,"start":"2030-01-29T17:10Z","start_local":"19:10"},{"end":"2030-01-29T23:10Z","end_local":"01:10","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2030-01-29T22:45Z","start_local":"00:45"},{"end":"2030-01-30T05:40Z","end_local":"07:40","hours":6.5,"label":"unusable","mean_quality":0.0,"start":"2030-01-29T23:10Z","start_local":"01:10"}]},"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":"2030-01-29T17:08:27Z","dark_hours":10.85,"dark_to":"2030-01-30T03:59:35Z","moon":{"illumination":0.167,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":9.78,"moonrise":"2030-01-30T02:56:16Z","moonset":"2030-01-29T11:02:50Z","sunrise":"2030-01-30T05:35:13Z","sunset":"2030-01-29T15:32:35Z","twilight":{"astronomical":{"end":"2030-01-29T17:08:27Z","start":"2030-01-30T03:59:35Z"},"civil":{"end":"2030-01-29T16:02:15Z","start":"2030-01-30T05:05:38Z"},"nautical":{"end":"2030-01-29T16:35:42Z","start":"2030-01-30T04:32:16Z"}},"window_end":"2030-01-30T10:00:00Z","window_start":"2030-01-29T10:00:00Z"},"night_date":"2030-01-29","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":"2030-01-29T17:35:00Z"},"dec":24.11388889,"dec_of_date":24.2055,"dec_str":"+24\u00b0 06' 50.0\"","good_hours":5.08,"limit_rise":"2030-01-29T11:57:28Z","limit_set":"2030-01-29T23:08:55Z","max_az_rate_deg_per_min":0.76,"moon_separation":157.6,"never_rises":false,"ra":56.60083333,"ra_of_date":57.0491,"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":"5.1 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2030-01-30T01:07:26Z","blocked_dark_hours":0,"clears_at":"2030-01-29T10:07:38Z","rise_az":58.3},"track":[{"above_terrain":false,"airmass":null,"alt":-0.0,"az":56.7,"t":"2030-01-29T10:00:00Z","terrain":1.06},{"above_terrain":false,"airmass":28.34,"alt":0.78,"az":57.5,"t":"2030-01-29T10:05:00Z","terrain":1.16},{"above_terrain":true,"airmass":21.94,"alt":1.58,"az":58.3,"t":"2030-01-29T10:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":17.6,"alt":2.38,"az":59.2,"t":"2030-01-29T10:15:00Z","terrain":1.2},{"above_terrain":true,"airmass":14.54,"alt":3.18,"az":60.0,"t":"2030-01-29T10:20:00Z","terrain":1.17},{"above_terrain":true,"airmass":12.31,"alt":4.0,"az":60.8,"t":"2030-01-29T10:25:00Z","terrain":1.11},{"above_terrain":true,"airmass":10.62,"alt":4.82,"az":61.6,"t":"2030-01-29T10:30:00Z","terrain":1.04},{"above_terrain":true,"airmass":9.32,"alt":5.64,"az":62.4,"t":"2030-01-29T10:35:00Z","terrain":0.97},{"above_terrain":true,"airmass":8.28,"alt":6.48,"az":63.2,"t":"2030-01-29T10:40:00Z","terrain":0.89},{"above_terrain":true,"airmass":7.43,"alt":7.31,"az":63.9,"t":"2030-01-29T10:45:00Z","terrain":0.78},{"above_terrain":true,"airmass":6.74,"alt":8.16,"az":64.7,"t":"2030-01-29T10:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":6.15,"alt":9.01,"az":65.5,"t":"2030-01-29T10:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":5.66,"alt":9.86,"az":66.3,"t":"2030-01-29T11:00:00Z","terrain":0.86},{"above_terrain":true,"airmass":5.24,"alt":10.72,"az":67.0,"t":"2030-01-29T11:05:00Z","terrain":0.93},{"above_terrain":true,"airmass":4.87,"alt":11.58,"az":67.8,"t":"2030-01-29T11:10:00Z","terrain":0.98},{"above_terrain":true,"airmass":4.55,"alt":12.45,"az":68.6,"t":"2030-01-29T11:15:00Z","terrain":1.02},{"above_terrain":true,"airmass":4.27,"alt":13.33,"az":69.3,"t":"2030-01-29T11:20:00Z","terrain":1.1},{"above_terrain":true,"airmass":4.02,"alt":14.2,"az":70.1,"t":"2030-01-29T11:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":3.79,"alt":15.09,"az":70.8,"t":"2030-01-29T11:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":3.59,"alt":15.97,"az":71.6,"t":"2030-01-29T11:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.41,"alt":16.86,"az":72.3,"t":"2030-01-29T11:40:00Z","terrain":1.13},{"above_terrain":true,"airmass":3.25,"alt":17.75,"az":73.1,"t":"2030-01-29T11:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":3.1,"alt":18.65,"az":73.8,"t":"2030-01-29T11:50:00Z","terrain":0.78},{"above_terrain":true,"airmass":2.97,"alt":19.55,"az":74.6,"t":"2030-01-29T11:55:00Z","terrain":0.67},{"above_terrain":true,"airmass":2.84,"alt":20.46,"az":75.3,"t":"2030-01-29T12:00:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.73,"alt":21.36,"az":76.0,"t":"2030-01-29T12:05:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.62,"alt":22.27,"az":76.8,"t":"2030-01-29T12:10:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.53,"alt":23.19,"az":77.5,"t":"2030-01-29T12:15:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.44,"alt":24.1,"az":78.3,"t":"2030-01-29T12:20:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.35,"alt":25.02,"az":79.0,"t":"2030-01-29T12:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.28,"alt":25.94,"az":79.8,"t":"2030-01-29T12:30:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.21,"alt":26.86,"az":80.5,"t":"2030-01-29T12:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.14,"alt":27.78,"az":81.3,"t":"2030-01-29T12:40:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.08,"alt":28.71,"az":82.1,"t":"2030-01-29T12:45:00Z","terrain":0.78},{"above_terrain":true,"airmass":2.02,"alt":29.64,"az":82.8,"t":"2030-01-29T12:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.96,"alt":30.57,"az":83.6,"t":"2030-01-29T12:55:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.91,"alt":31.5,"az":84.4,"t":"2030-01-29T13:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.86,"alt":32.43,"az":85.1,"t":"2030-01-29T13:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.81,"alt":33.36,"az":85.9,"t":"2030-01-29T13:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.77,"alt":34.3,"az":86.7,"t":"2030-01-29T13:15:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.73,"alt":35.23,"az":87.5,"t":"2030-01-29T13:20:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.69,"alt":36.17,"az":88.3,"t":"2030-01-29T13:25:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.65,"alt":37.1,"az":89.2,"t":"2030-01-29T13:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.62,"alt":38.04,"az":90.0,"t":"2030-01-29T13:35:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.59,"alt":38.98,"az":90.8,"t":"2030-01-29T13:40:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.56,"alt":39.91,"az":91.7,"t":"2030-01-29T13:45:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.53,"alt":40.85,"az":92.5,"t":"2030-01-29T13:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.5,"alt":41.78,"az":93.4,"t":"2030-01-29T13:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.47,"alt":42.71,"az":94.3,"t":"2030-01-29T14:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.45,"alt":43.65,"az":95.2,"t":"2030-01-29T14:05:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.42,"alt":44.58,"az":96.1,"t":"2030-01-29T14:10:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.4,"alt":45.51,"az":97.1,"t":"2030-01-29T14:15:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.38,"alt":46.44,"az":98.0,"t":"2030-01-29T14:20:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.36,"alt":47.36,"az":99.0,"t":"2030-01-29T14:25:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.34,"alt":48.29,"az":100.0,"t":"2030-01-29T14:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.21,"az":101.1,"t":"2030-01-29T14:35:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":102.1,"t":"2030-01-29T14:40:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.28,"alt":51.04,"az":103.2,"t":"2030-01-29T14:45:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.27,"alt":51.94,"az":104.3,"t":"2030-01-29T14:50:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.25,"alt":52.85,"az":105.5,"t":"2030-01-29T14:55:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.24,"alt":53.75,"az":106.6,"t":"2030-01-29T15:00:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.23,"alt":54.64,"az":107.8,"t":"2030-01-29T15:05:00Z","terrain":-0.88},{"above_terrain":true,"airmass":1.21,"alt":55.53,"az":109.1,"t":"2030-01-29T15:10:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.2,"alt":56.41,"az":110.4,"t":"2030-01-29T15:15:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.19,"alt":57.28,"az":111.8,"t":"2030-01-29T15:20:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.18,"alt":58.15,"az":113.2,"t":"2030-01-29T15:25:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.17,"alt":59.01,"az":114.6,"t":"2030-01-29T15:30:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.16,"alt":59.85,"az":116.1,"t":"2030-01-29T15:35:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.15,"alt":60.69,"az":117.7,"t":"2030-01-29T15:40:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.14,"alt":61.51,"az":119.3,"t":"2030-01-29T15:45:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.13,"alt":62.32,"az":121.1,"t":"2030-01-29T15:50:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.12,"alt":63.11,"az":122.9,"t":"2030-01-29T15:55:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.11,"alt":63.89,"az":124.7,"t":"2030-01-29T16:00:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.11,"alt":64.65,"az":126.7,"t":"2030-01-29T16:05:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.1,"alt":65.39,"az":128.8,"t":"2030-01-29T16:10:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.09,"alt":66.11,"az":130.9,"t":"2030-01-29T16:15:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.09,"alt":66.8,"az":133.2,"t":"2030-01-29T16:20:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.08,"alt":67.47,"az":135.6,"t":"2030-01-29T16:25:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.08,"alt":68.11,"az":138.1,"t":"2030-01-29T16:30:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.07,"alt":68.72,"az":140.7,"t":"2030-01-29T16:35:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.07,"alt":69.3,"az":143.5,"t":"2030-01-29T16:40:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.06,"alt":69.83,"az":146.4,"t":"2030-01-29T16:45:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.06,"alt":70.33,"az":149.4,"t":"2030-01-29T16:50:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.06,"alt":70.79,"az":152.5,"t":"2030-01-29T16:55:00Z","terrain":-1.07},{"above_terrain":true,"airmass":1.06,"alt":71.19,"az":155.8,"t":"2030-01-29T17:00:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.05,"alt":71.55,"az":159.2,"t":"2030-01-29T17:05:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.05,"alt":71.86,"az":162.7,"t":"2030-01-29T17:10:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.05,"alt":72.11,"az":166.3,"t":"2030-01-29T17:15:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.05,"alt":72.3,"az":170.0,"t":"2030-01-29T17:20:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.05,"alt":72.43,"az":173.8,"t":"2030-01-29T17:25:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.05,"alt":72.5,"az":177.6,"t":"2030-01-29T17:30:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.05,"alt":72.51,"az":181.4,"t":"2030-01-29T17:35:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.05,"alt":72.46,"az":185.2,"t":"2030-01-29T17:40:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.05,"alt":72.34,"az":188.9,"t":"2030-01-29T17:45:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.05,"alt":72.17,"az":192.6,"t":"2030-01-29T17:50:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.05,"alt":71.93,"az":196.3,"t":"2030-01-29T17:55:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.05,"alt":71.64,"az":199.8,"t":"2030-01-29T18:00:00Z","terrain":-0.27},{"above_terrain":true,"airmass":1.06,"alt":71.3,"az":203.2,"t":"2030-01-29T18:05:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.06,"alt":70.9,"az":206.6,"t":"2030-01-29T18:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.06,"alt":70.46,"az":209.7,"t":"2030-01-29T18:15:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.06,"alt":69.98,"az":212.8,"t":"2030-01-29T18:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.07,"alt":69.45,"az":215.7,"t":"2030-01-29T18:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.07,"alt":68.88,"az":218.5,"t":"2030-01-29T18:30:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.08,"alt":68.28,"az":221.2,"t":"2030-01-29T18:35:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.08,"alt":67.65,"az":223.7,"t":"2030-01-29T18:40:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.09,"alt":66.99,"az":226.1,"t":"2030-01-29T18:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.09,"alt":66.3,"az":228.4,"t":"2030-01-29T18:50:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.59,"az":230.6,"t":"2030-01-29T18:55:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.1,"alt":64.86,"az":232.7,"t":"2030-01-29T19:00:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.11,"alt":64.1,"az":234.7,"t":"2030-01-29T19:05:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.12,"alt":63.33,"az":236.6,"t":"2030-01-29T19:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.13,"alt":62.54,"az":238.4,"t":"2030-01-29T19:15:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":61.74,"az":240.2,"t":"2030-01-29T19:20:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.14,"alt":60.92,"az":241.8,"t":"2030-01-29T19:25:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.15,"alt":60.09,"az":243.4,"t":"2030-01-29T19:30:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.16,"alt":59.24,"az":245.0,"t":"2030-01-29T19:35:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.17,"alt":58.39,"az":246.4,"t":"2030-01-29T19:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.18,"alt":57.53,"az":247.9,"t":"2030-01-29T19:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.2,"alt":56.66,"az":249.2,"t":"2030-01-29T19:50:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.21,"alt":55.78,"az":250.5,"t":"2030-01-29T19:55:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.22,"alt":54.89,"az":251.8,"t":"2030-01-29T20:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.24,"alt":54.0,"az":253.0,"t":"2030-01-29T20:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.25,"alt":53.1,"az":254.2,"t":"2030-01-29T20:10:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.26,"alt":52.2,"az":255.4,"t":"2030-01-29T20:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.28,"alt":51.29,"az":256.5,"t":"2030-01-29T20:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.3,"alt":50.38,"az":257.6,"t":"2030-01-29T20:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.31,"alt":49.46,"az":258.7,"t":"2030-01-29T20:30:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.33,"alt":48.54,"az":259.7,"t":"2030-01-29T20:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.35,"alt":47.62,"az":260.7,"t":"2030-01-29T20:40:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.37,"alt":46.7,"az":261.7,"t":"2030-01-29T20:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.39,"alt":45.77,"az":262.7,"t":"2030-01-29T20:50:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.42,"alt":44.84,"az":263.6,"t":"2030-01-29T20:55:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.44,"alt":43.91,"az":264.5,"t":"2030-01-29T21:00:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.47,"alt":42.98,"az":265.4,"t":"2030-01-29T21:05:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.49,"alt":42.04,"az":266.3,"t":"2030-01-29T21:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.52,"alt":41.11,"az":267.2,"t":"2030-01-29T21:15:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.55,"alt":40.17,"az":268.1,"t":"2030-01-29T21:20:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.58,"alt":39.24,"az":268.9,"t":"2030-01-29T21:25:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.61,"alt":38.3,"az":269.8,"t":"2030-01-29T21:30:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.64,"alt":37.36,"az":270.6,"t":"2030-01-29T21:35:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.68,"alt":36.43,"az":271.4,"t":"2030-01-29T21:40:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.72,"alt":35.49,"az":272.2,"t":"2030-01-29T21:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.76,"alt":34.56,"az":273.0,"t":"2030-01-29T21:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.8,"alt":33.62,"az":273.8,"t":"2030-01-29T21:55:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.85,"alt":32.69,"az":274.6,"t":"2030-01-29T22:00:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.9,"alt":31.76,"az":275.4,"t":"2030-01-29T22:05:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.95,"alt":30.83,"az":276.2,"t":"2030-01-29T22:10:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.0,"alt":29.9,"az":277.0,"t":"2030-01-29T22:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.06,"alt":28.97,"az":277.7,"t":"2030-01-29T22:20:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.12,"alt":28.04,"az":278.5,"t":"2030-01-29T22:25:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.19,"alt":27.12,"az":279.2,"t":"2030-01-29T22:30:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.26,"alt":26.2,"az":280.0,"t":"2030-01-29T22:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.33,"alt":25.27,"az":280.8,"t":"2030-01-29T22:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.41,"alt":24.36,"az":281.5,"t":"2030-01-29T22:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.5,"alt":23.44,"az":282.3,"t":"2030-01-29T22:50:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.6,"alt":22.53,"az":283.0,"t":"2030-01-29T22:55:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.7,"alt":21.62,"az":283.7,"t":"2030-01-29T23:00:00Z","terrain":0.09},{"above_terrain":true,"airmass":2.81,"alt":20.71,"az":284.5,"t":"2030-01-29T23:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.93,"alt":19.8,"az":285.2,"t":"2030-01-29T23:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.06,"alt":18.9,"az":286.0,"t":"2030-01-29T23:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.21,"alt":18.0,"az":286.7,"t":"2030-01-29T23:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.37,"alt":17.11,"az":287.5,"t":"2030-01-29T23:25:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.54,"alt":16.22,"az":288.2,"t":"2030-01-29T23:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.73,"alt":15.33,"az":289.0,"t":"2030-01-29T23:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.95,"alt":14.45,"az":289.7,"t":"2030-01-29T23:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.19,"alt":13.57,"az":290.5,"t":"2030-01-29T23:45:00Z","terrain":0.39},{"above_terrain":true,"airmass":4.47,"alt":12.7,"az":291.2,"t":"2030-01-29T23:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.77,"alt":11.83,"az":292.0,"t":"2030-01-29T23:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":5.13,"alt":10.96,"az":292.8,"t":"2030-01-30T00:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":5.53,"alt":10.1,"az":293.5,"t":"2030-01-30T00:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":6.01,"alt":9.24,"az":294.3,"t":"2030-01-30T00:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":6.56,"alt":8.39,"az":295.1,"t":"2030-01-30T00:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":7.23,"alt":7.55,"az":295.8,"t":"2030-01-30T00:20:00Z","terrain":0.31},{"above_terrain":true,"airmass":8.02,"alt":6.71,"az":296.6,"t":"2030-01-30T00:25:00Z","terrain":0.29},{"above_terrain":true,"airmass":9.0,"alt":5.87,"az":297.4,"t":"2030-01-30T00:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":10.23,"alt":5.05,"az":298.2,"t":"2030-01-30T00:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":11.79,"alt":4.22,"az":299.0,"t":"2030-01-30T00:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":13.85,"alt":3.41,"az":299.8,"t":"2030-01-30T00:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":16.64,"alt":2.6,"az":300.6,"t":"2030-01-30T00:50:00Z","terrain":0.34},{"above_terrain":true,"airmass":20.56,"alt":1.8,"az":301.4,"t":"2030-01-30T00:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":26.28,"alt":1.0,"az":302.2,"t":"2030-01-30T01:00:00Z","terrain":0.0},{"above_terrain":true,"airmass":34.88,"alt":0.22,"az":303.1,"t":"2030-01-30T01:05:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-0.57,"az":303.9,"t":"2030-01-30T01:10:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-1.34,"az":304.8,"t":"2030-01-30T01:15:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-2.1,"az":305.6,"t":"2030-01-30T01:20:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-2.86,"az":306.5,"t":"2030-01-30T01:25:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-3.61,"az":307.3,"t":"2030-01-30T01:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-4.35,"az":308.2,"t":"2030-01-30T01:35:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-5.08,"az":309.1,"t":"2030-01-30T01:40:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-5.8,"az":310.0,"t":"2030-01-30T01:45:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-6.51,"az":310.9,"t":"2030-01-30T01:50:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-7.22,"az":311.8,"t":"2030-01-30T01:55:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-7.91,"az":312.7,"t":"2030-01-30T02:00:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-8.59,"az":313.6,"t":"2030-01-30T02:05:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-9.26,"az":314.6,"t":"2030-01-30T02:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-9.93,"az":315.5,"t":"2030-01-30T02:15:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-10.58,"az":316.5,"t":"2030-01-30T02:20:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-11.22,"az":317.4,"t":"2030-01-30T02:25:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-11.84,"az":318.4,"t":"2030-01-30T02:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-12.46,"az":319.4,"t":"2030-01-30T02:35:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-13.06,"az":320.4,"t":"2030-01-30T02:40:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.65,"az":321.4,"t":"2030-01-30T02:45:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-14.23,"az":322.4,"t":"2030-01-30T02:50:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-14.79,"az":323.4,"t":"2030-01-30T02:55:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-15.34,"az":324.5,"t":"2030-01-30T03:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.88,"az":325.5,"t":"2030-01-30T03:05:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-16.4,"az":326.6,"t":"2030-01-30T03:10:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-16.91,"az":327.6,"t":"2030-01-30T03:15:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-17.41,"az":328.7,"t":"2030-01-30T03:20:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-17.88,"az":329.8,"t":"2030-01-30T03:25:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-18.35,"az":330.9,"t":"2030-01-30T03:30:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-18.79,"az":332.0,"t":"2030-01-30T03:35:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-19.23,"az":333.1,"t":"2030-01-30T03:40:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-19.64,"az":334.3,"t":"2030-01-30T03:45:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-20.04,"az":335.4,"t":"2030-01-30T03:50:00Z","terrain":-0.69},{"above_terrain":false,"airmass":null,"alt":-20.42,"az":336.6,"t":"2030-01-30T03:55:00Z","terrain":-0.77},{"above_terrain":false,"airmass":null,"alt":-20.78,"az":337.7,"t":"2030-01-30T04:00:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-21.13,"az":338.9,"t":"2030-01-30T04:05:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-21.46,"az":340.1,"t":"2030-01-30T04:10:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-21.77,"az":341.2,"t":"2030-01-30T04:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-22.06,"az":342.4,"t":"2030-01-30T04:20:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-22.33,"az":343.6,"t":"2030-01-30T04:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-22.59,"az":344.8,"t":"2030-01-30T04:30:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-22.82,"az":346.1,"t":"2030-01-30T04:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-23.04,"az":347.3,"t":"2030-01-30T04:40:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-23.23,"az":348.5,"t":"2030-01-30T04:45:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-23.41,"az":349.7,"t":"2030-01-30T04:50:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-23.57,"az":351.0,"t":"2030-01-30T04:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-23.7,"az":352.2,"t":"2030-01-30T05:00:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-23.82,"az":353.4,"t":"2030-01-30T05:05:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-23.92,"az":354.7,"t":"2030-01-30T05:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-23.99,"az":355.9,"t":"2030-01-30T05:15:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-24.05,"az":357.2,"t":"2030-01-30T05:20:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-24.09,"az":358.4,"t":"2030-01-30T05:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-24.1,"az":359.7,"t":"2030-01-30T05:30:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-24.1,"az":0.9,"t":"2030-01-30T05:35:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-24.07,"az":2.2,"t":"2030-01-30T05:40:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-24.02,"az":3.4,"t":"2030-01-30T05:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-23.96,"az":4.7,"t":"2030-01-30T05:50:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-23.87,"az":5.9,"t":"2030-01-30T05:55:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-23.76,"az":7.2,"t":"2030-01-30T06:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-23.64,"az":8.4,"t":"2030-01-30T06:05:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-23.49,"az":9.7,"t":"2030-01-30T06:10:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-23.32,"az":10.9,"t":"2030-01-30T06:15:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-23.14,"az":12.1,"t":"2030-01-30T06:20:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-22.93,"az":13.3,"t":"2030-01-30T06:25:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-22.7,"az":14.6,"t":"2030-01-30T06:30:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-22.46,"az":15.8,"t":"2030-01-30T06:35:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-22.19,"az":17.0,"t":"2030-01-30T06:40:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-21.91,"az":18.2,"t":"2030-01-30T06:45:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-21.61,"az":19.4,"t":"2030-01-30T06:50:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-21.29,"az":20.5,"t":"2030-01-30T06:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-20.95,"az":21.7,"t":"2030-01-30T07:00:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-20.6,"az":22.9,"t":"2030-01-30T07:05:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-20.23,"az":24.0,"t":"2030-01-30T07:10:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-19.84,"az":25.2,"t":"2030-01-30T07:15:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-19.43,"az":26.3,"t":"2030-01-30T07:20:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-19.01,"az":27.4,"t":"2030-01-30T07:25:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-18.57,"az":28.5,"t":"2030-01-30T07:30:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-18.11,"az":29.6,"t":"2030-01-30T07:35:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-17.64,"az":30.7,"t":"2030-01-30T07:40:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-17.16,"az":31.8,"t":"2030-01-30T07:45:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-16.66,"az":32.9,"t":"2030-01-30T07:50:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-16.14,"az":34.0,"t":"2030-01-30T07:55:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-15.61,"az":35.0,"t":"2030-01-30T08:00:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-15.07,"az":36.1,"t":"2030-01-30T08:05:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-14.51,"az":37.1,"t":"2030-01-30T08:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-13.94,"az":38.1,"t":"2030-01-30T08:15:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-13.35,"az":39.1,"t":"2030-01-30T08:20:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-12.76,"az":40.1,"t":"2030-01-30T08:25:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-12.15,"az":41.1,"t":"2030-01-30T08:30:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-11.53,"az":42.1,"t":"2030-01-30T08:35:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-10.89,"az":43.1,"t":"2030-01-30T08:40:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-10.25,"az":44.0,"t":"2030-01-30T08:45:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-9.59,"az":45.0,"t":"2030-01-30T08:50:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-8.93,"az":45.9,"t":"2030-01-30T08:55:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-8.25,"az":46.8,"t":"2030-01-30T09:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-7.56,"az":47.8,"t":"2030-01-30T09:05:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":48.7,"t":"2030-01-30T09:10:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-6.15,"az":49.6,"t":"2030-01-30T09:15:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-5.44,"az":50.5,"t":"2030-01-30T09:20:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-4.71,"az":51.4,"t":"2030-01-30T09:25:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.97,"az":52.2,"t":"2030-01-30T09:30:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":53.1,"t":"2030-01-30T09:35:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":54.0,"t":"2030-01-30T09:40:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-1.72,"az":54.8,"t":"2030-01-30T09:45:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-0.95,"az":55.7,"t":"2030-01-30T09:50:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-0.17,"az":56.5,"t":"2030-01-30T09:55:00Z","terrain":1.06},{"above_terrain":false,"airmass":30.08,"alt":0.61,"az":57.3,"t":"2030-01-30T10:00:00Z","terrain":1.13}],"transit":{"airmass":1.05,"alt":72.5,"az":181.4,"t":"2030-01-29T17:35:00Z"},"usable_hours":6.0,"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."]}