{"assessment":{"best_window":{"end":"2031-02-01T04:00Z","end_local":"06:00","hours":0.25,"label":"marginal","mean_quality":0.44,"start":"2031-02-01T03:45Z","start_local":"05:45"},"cost":{"altitude":10.76,"clouds":0.0,"darkness":1.97,"moon":0.1},"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 barely \u2014 weather unknown","hourly":[{"alt":34,"cloud":null,"high":null,"iso":"2031-01-31T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":63,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2031-01-31T17:00Z","label":"poor","low":null,"mid":null,"moon_alt":68,"precip":null,"q":0.21,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":16,"cloud":null,"high":null,"iso":"2031-01-31T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":66,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":9,"cloud":null,"high":null,"iso":"2031-01-31T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":59,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2031-01-31T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":50,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2031-01-31T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":39,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2031-01-31T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":28,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2031-01-31T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2031-02-01T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":2,"cloud":null,"high":null,"iso":"2031-02-01T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2031-02-01T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-11,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2031-02-01T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-19,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2031-02-01T04:00Z","label":"poor","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.25,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":31,"cloud":null,"high":null,"iso":"2031-02-01T05:00Z","label":"poor","low":null,"mid":null,"moon_alt":-28,"precip":null,"q":0.12,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.47,"peak_sky":0.47,"quality_hours":0.63,"reasons":["the target being low or below 20\u00b0 cost 10.8 quality-hours","daylight and twilight cost 2.0 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":7,"score_weather":null,"sky_hours":0.63,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2031-01-31T16:05Z","end_local":"18:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2031-01-31T15:30Z","start_local":"17:30"},{"end":"2031-01-31T17:15Z","end_local":"19:15","hours":1.17,"label":"poor","mean_quality":0.16,"start":"2031-01-31T16:05Z","start_local":"18:05"},{"end":"2031-01-31T17:35Z","end_local":"19:35","hours":0.33,"label":"marginal","mean_quality":0.33,"start":"2031-01-31T17:15Z","start_local":"19:15"},{"end":"2031-02-01T03:45Z","end_local":"05:45","hours":10.17,"label":"unusable","mean_quality":0.0,"start":"2031-01-31T17:35Z","start_local":"19:35"},{"end":"2031-02-01T04:00Z","end_local":"06:00","hours":0.25,"label":"marginal","mean_quality":0.44,"start":"2031-02-01T03:45Z","start_local":"05:45"},{"end":"2031-02-01T04:20Z","end_local":"06:20","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2031-02-01T04:00Z","start_local":"06:00"},{"end":"2031-02-01T04:35Z","end_local":"06:35","hours":0.25,"label":"marginal","mean_quality":0.32,"start":"2031-02-01T04:20Z","start_local":"06:20"},{"end":"2031-02-01T05:05Z","end_local":"07:05","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2031-02-01T04:35Z","start_local":"06:35"},{"end":"2031-02-01T05:35Z","end_local":"07:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-02-01T05:05Z","start_local":"07:05"}]},"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":"2031-01-31T17:10:23Z","dark_hours":10.8,"dark_to":"2031-02-01T03:58:10Z","moon":{"illumination":0.653,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":3.25,"moonrise":null,"moonset":"2031-02-01T00:42:44Z","sunrise":"2031-02-01T05:33:30Z","sunset":"2031-01-31T15:34:49Z","twilight":{"astronomical":{"end":"2031-01-31T17:10:23Z","start":"2031-02-01T03:58:10Z"},"civil":{"end":"2031-01-31T16:04:21Z","start":"2031-02-01T05:04:03Z"},"nautical":{"end":"2031-01-31T16:37:42Z","start":"2031-02-01T04:30:47Z"}},"window_end":"2031-02-01T10:00:00Z","window_start":"2031-01-31T10:00:00Z"},"night_date":"2031-01-31","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":2.62,"alt":22.3,"t":"2031-01-31T17:15:00Z"},"dec":44.33,"dec_of_date":44.452,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":0,"limit_rise":"2031-02-01T03:42:34Z","limit_set":"2031-01-31T17:31:41Z","max_az_rate_deg_per_min":3.64,"moon_separation":84.3,"never_rises":false,"ra":314.69583333,"ra_of_date":314.974,"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":"Just 0.6 h above 20\u00b0 in darkness \u2014 barely observable tonight.","terrain":{"available":true,"behind_at":"2031-01-31T20:48:28Z","blocked_dark_hours":0,"clears_at":"2031-02-01T00:49:31Z","rise_az":65.6},"track":[{"above_terrain":true,"airmass":1.01,"alt":82.33,"az":65.6,"t":"2031-01-31T10:00:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.01,"alt":83.18,"az":63.3,"t":"2031-01-31T10:05:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.01,"alt":84.0,"az":60.2,"t":"2031-01-31T10:10:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.0,"alt":84.8,"az":56.0,"t":"2031-01-31T10:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.0,"alt":85.55,"az":50.1,"t":"2031-01-31T10:20:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.0,"alt":86.22,"az":41.9,"t":"2031-01-31T10:25:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.0,"alt":86.78,"az":30.4,"t":"2031-01-31T10:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.0,"alt":87.14,"az":14.9,"t":"2031-01-31T10:35:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.0,"alt":87.24,"az":356.7,"t":"2031-01-31T10:40:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.0,"alt":87.04,"az":339.1,"t":"2031-01-31T10:45:00Z","terrain":-0.72},{"above_terrain":true,"airmass":1.0,"alt":86.6,"az":325.0,"t":"2031-01-31T10:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":85.99,"az":314.8,"t":"2031-01-31T10:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.0,"alt":85.28,"az":307.6,"t":"2031-01-31T11:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.0,"alt":84.52,"az":302.4,"t":"2031-01-31T11:05:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.01,"alt":83.71,"az":298.6,"t":"2031-01-31T11:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.01,"alt":82.88,"az":295.8,"t":"2031-01-31T11:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.01,"alt":82.03,"az":293.7,"t":"2031-01-31T11:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.01,"alt":81.16,"az":292.1,"t":"2031-01-31T11:25:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.01,"alt":80.29,"az":290.8,"t":"2031-01-31T11:30:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.02,"alt":79.41,"az":289.8,"t":"2031-01-31T11:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.02,"alt":78.53,"az":289.0,"t":"2031-01-31T11:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.02,"alt":77.64,"az":288.5,"t":"2031-01-31T11:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.76,"az":288.0,"t":"2031-01-31T11:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":75.86,"az":287.7,"t":"2031-01-31T11:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.04,"alt":74.97,"az":287.4,"t":"2031-01-31T12:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.04,"alt":74.08,"az":287.2,"t":"2031-01-31T12:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.04,"alt":73.18,"az":287.1,"t":"2031-01-31T12:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":72.29,"az":287.1,"t":"2031-01-31T12:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.05,"alt":71.39,"az":287.1,"t":"2031-01-31T12:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":70.5,"az":287.1,"t":"2031-01-31T12:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":69.61,"az":287.2,"t":"2031-01-31T12:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.07,"alt":68.71,"az":287.3,"t":"2031-01-31T12:35:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.08,"alt":67.82,"az":287.4,"t":"2031-01-31T12:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.09,"alt":66.93,"az":287.6,"t":"2031-01-31T12:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.09,"alt":66.03,"az":287.8,"t":"2031-01-31T12:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.1,"alt":65.14,"az":288.0,"t":"2031-01-31T12:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.11,"alt":64.25,"az":288.2,"t":"2031-01-31T13:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.36,"az":288.4,"t":"2031-01-31T13:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.48,"az":288.7,"t":"2031-01-31T13:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.59,"az":288.9,"t":"2031-01-31T13:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.71,"az":289.2,"t":"2031-01-31T13:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.16,"alt":59.82,"az":289.5,"t":"2031-01-31T13:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.17,"alt":58.94,"az":289.8,"t":"2031-01-31T13:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":58.06,"az":290.1,"t":"2031-01-31T13:35:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.19,"alt":57.18,"az":290.4,"t":"2031-01-31T13:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.2,"alt":56.31,"az":290.8,"t":"2031-01-31T13:45:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.21,"alt":55.43,"az":291.1,"t":"2031-01-31T13:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.23,"alt":54.56,"az":291.5,"t":"2031-01-31T13:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.69,"az":291.8,"t":"2031-01-31T14:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.25,"alt":52.82,"az":292.2,"t":"2031-01-31T14:05:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.27,"alt":51.96,"az":292.6,"t":"2031-01-31T14:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.28,"alt":51.1,"az":292.9,"t":"2031-01-31T14:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.3,"alt":50.23,"az":293.3,"t":"2031-01-31T14:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.38,"az":293.7,"t":"2031-01-31T14:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.52,"az":294.1,"t":"2031-01-31T14:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.67,"az":294.5,"t":"2031-01-31T14:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.82,"az":294.9,"t":"2031-01-31T14:40:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":45.97,"az":295.3,"t":"2031-01-31T14:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.41,"alt":45.13,"az":295.8,"t":"2031-01-31T14:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.43,"alt":44.28,"az":296.2,"t":"2031-01-31T14:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.45,"alt":43.45,"az":296.6,"t":"2031-01-31T15:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.48,"alt":42.61,"az":297.1,"t":"2031-01-31T15:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.5,"alt":41.78,"az":297.5,"t":"2031-01-31T15:10:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.52,"alt":40.95,"az":298.0,"t":"2031-01-31T15:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.55,"alt":40.13,"az":298.4,"t":"2031-01-31T15:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.58,"alt":39.3,"az":298.9,"t":"2031-01-31T15:25:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.49,"az":299.3,"t":"2031-01-31T15:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.63,"alt":37.67,"az":299.8,"t":"2031-01-31T15:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.66,"alt":36.86,"az":300.3,"t":"2031-01-31T15:40:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.7,"alt":36.06,"az":300.8,"t":"2031-01-31T15:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.73,"alt":35.25,"az":301.3,"t":"2031-01-31T15:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.76,"alt":34.46,"az":301.7,"t":"2031-01-31T15:55:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.8,"alt":33.66,"az":302.2,"t":"2031-01-31T16:00:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.84,"alt":32.87,"az":302.8,"t":"2031-01-31T16:05:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.88,"alt":32.09,"az":303.3,"t":"2031-01-31T16:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.92,"alt":31.31,"az":303.8,"t":"2031-01-31T16:15:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.96,"alt":30.53,"az":304.3,"t":"2031-01-31T16:20:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.01,"alt":29.76,"az":304.8,"t":"2031-01-31T16:25:00Z","terrain":-0.26},{"above_terrain":true,"airmass":2.06,"alt":28.99,"az":305.4,"t":"2031-01-31T16:30:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.11,"alt":28.23,"az":305.9,"t":"2031-01-31T16:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.16,"alt":27.48,"az":306.4,"t":"2031-01-31T16:40:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.22,"alt":26.73,"az":307.0,"t":"2031-01-31T16:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.27,"alt":25.98,"az":307.5,"t":"2031-01-31T16:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.33,"alt":25.24,"az":308.1,"t":"2031-01-31T16:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.4,"alt":24.51,"az":308.7,"t":"2031-01-31T17:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.47,"alt":23.78,"az":309.2,"t":"2031-01-31T17:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.54,"alt":23.06,"az":309.8,"t":"2031-01-31T17:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.62,"alt":22.34,"az":310.4,"t":"2031-01-31T17:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.7,"alt":21.63,"az":311.0,"t":"2031-01-31T17:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.78,"alt":20.93,"az":311.6,"t":"2031-01-31T17:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.87,"alt":20.23,"az":312.2,"t":"2031-01-31T17:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.97,"alt":19.54,"az":312.8,"t":"2031-01-31T17:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.07,"alt":18.86,"az":313.4,"t":"2031-01-31T17:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.18,"alt":18.18,"az":314.0,"t":"2031-01-31T17:45:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.29,"alt":17.51,"az":314.6,"t":"2031-01-31T17:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.41,"alt":16.85,"az":315.2,"t":"2031-01-31T17:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.55,"alt":16.19,"az":315.9,"t":"2031-01-31T18:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.69,"alt":15.55,"az":316.5,"t":"2031-01-31T18:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":3.84,"alt":14.91,"az":317.2,"t":"2031-01-31T18:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.0,"alt":14.27,"az":317.8,"t":"2031-01-31T18:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.17,"alt":13.65,"az":318.5,"t":"2031-01-31T18:20:00Z","terrain":0.1},{"above_terrain":true,"airmass":4.36,"alt":13.03,"az":319.2,"t":"2031-01-31T18:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.56,"alt":12.43,"az":319.8,"t":"2031-01-31T18:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.77,"alt":11.83,"az":320.5,"t":"2031-01-31T18:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.01,"alt":11.24,"az":321.2,"t":"2031-01-31T18:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":5.27,"alt":10.65,"az":321.9,"t":"2031-01-31T18:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.54,"alt":10.08,"az":322.6,"t":"2031-01-31T18:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":5.85,"alt":9.52,"az":323.3,"t":"2031-01-31T18:55:00Z","terrain":-0.0},{"above_terrain":true,"airmass":6.18,"alt":8.96,"az":324.0,"t":"2031-01-31T19:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":6.55,"alt":8.42,"az":324.7,"t":"2031-01-31T19:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.95,"alt":7.88,"az":325.4,"t":"2031-01-31T19:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.4,"alt":7.35,"az":326.2,"t":"2031-01-31T19:15:00Z","terrain":-0.27},{"above_terrain":true,"airmass":7.89,"alt":6.84,"az":326.9,"t":"2031-01-31T19:20:00Z","terrain":-0.38},{"above_terrain":true,"airmass":8.44,"alt":6.33,"az":327.6,"t":"2031-01-31T19:25:00Z","terrain":-0.29},{"above_terrain":true,"airmass":9.05,"alt":5.84,"az":328.4,"t":"2031-01-31T19:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":9.74,"alt":5.35,"az":329.2,"t":"2031-01-31T19:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":10.52,"alt":4.88,"az":329.9,"t":"2031-01-31T19:40:00Z","terrain":-0.33},{"above_terrain":true,"airmass":11.4,"alt":4.41,"az":330.7,"t":"2031-01-31T19:45:00Z","terrain":-0.38},{"above_terrain":true,"airmass":12.4,"alt":3.96,"az":331.5,"t":"2031-01-31T19:50:00Z","terrain":-0.28},{"above_terrain":true,"airmass":13.54,"alt":3.52,"az":332.2,"t":"2031-01-31T19:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.85,"alt":3.09,"az":333.0,"t":"2031-01-31T20:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":16.37,"alt":2.67,"az":333.8,"t":"2031-01-31T20:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":18.12,"alt":2.26,"az":334.6,"t":"2031-01-31T20:10:00Z","terrain":-0.45},{"above_terrain":true,"airmass":20.17,"alt":1.87,"az":335.4,"t":"2031-01-31T20:15:00Z","terrain":-0.69},{"above_terrain":true,"airmass":22.56,"alt":1.48,"az":336.2,"t":"2031-01-31T20:20:00Z","terrain":-0.81},{"above_terrain":true,"airmass":25.36,"alt":1.11,"az":337.0,"t":"2031-01-31T20:25:00Z","terrain":-0.72},{"above_terrain":true,"airmass":28.64,"alt":0.75,"az":337.9,"t":"2031-01-31T20:30:00Z","terrain":-0.51},{"above_terrain":true,"airmass":32.46,"alt":0.41,"az":338.7,"t":"2031-01-31T20:35:00Z","terrain":-0.66},{"above_terrain":true,"airmass":36.87,"alt":0.07,"az":339.5,"t":"2031-01-31T20:40:00Z","terrain":-0.64},{"above_terrain":true,"airmass":null,"alt":-0.25,"az":340.3,"t":"2031-01-31T20:45:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-0.56,"az":341.2,"t":"2031-01-31T20:50:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-0.85,"az":342.0,"t":"2031-01-31T20:55:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-1.14,"az":342.9,"t":"2031-01-31T21:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.4,"az":343.7,"t":"2031-01-31T21:05:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.66,"az":344.6,"t":"2031-01-31T21:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.9,"az":345.5,"t":"2031-01-31T21:15:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-2.13,"az":346.3,"t":"2031-01-31T21:20:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-2.34,"az":347.2,"t":"2031-01-31T21:25:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.54,"az":348.1,"t":"2031-01-31T21:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-2.73,"az":348.9,"t":"2031-01-31T21:35:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":349.8,"t":"2031-01-31T21:40:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-3.06,"az":350.7,"t":"2031-01-31T21:45:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.21,"az":351.6,"t":"2031-01-31T21:50:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-3.34,"az":352.5,"t":"2031-01-31T21:55:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-3.45,"az":353.4,"t":"2031-01-31T22:00:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":354.2,"t":"2031-01-31T22:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.64,"az":355.1,"t":"2031-01-31T22:10:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-3.71,"az":356.0,"t":"2031-01-31T22:15:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":356.9,"t":"2031-01-31T22:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":357.8,"t":"2031-01-31T22:25:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":358.7,"t":"2031-01-31T22:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":359.6,"t":"2031-01-31T22:35:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":0.5,"t":"2031-01-31T22:40:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":1.4,"t":"2031-01-31T22:45:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":2.3,"t":"2031-01-31T22:50:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":3.2,"t":"2031-01-31T22:55:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-3.7,"az":4.1,"t":"2031-01-31T23:00:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-3.63,"az":5.0,"t":"2031-01-31T23:05:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-3.54,"az":5.9,"t":"2031-01-31T23:10:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-3.44,"az":6.8,"t":"2031-01-31T23:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-3.32,"az":7.7,"t":"2031-01-31T23:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.19,"az":8.5,"t":"2031-01-31T23:25:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-3.04,"az":9.4,"t":"2031-01-31T23:30:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-2.88,"az":10.3,"t":"2031-01-31T23:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-2.71,"az":11.2,"t":"2031-01-31T23:40:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-2.52,"az":12.1,"t":"2031-01-31T23:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-2.31,"az":12.9,"t":"2031-01-31T23:50:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-2.1,"az":13.8,"t":"2031-01-31T23:55:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-1.87,"az":14.7,"t":"2031-02-01T00:00:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-1.62,"az":15.5,"t":"2031-02-01T00:05:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.37,"az":16.4,"t":"2031-02-01T00:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":17.2,"t":"2031-02-01T00:15:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.81,"az":18.1,"t":"2031-02-01T00:20:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-0.51,"az":18.9,"t":"2031-02-01T00:25:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-0.2,"az":19.8,"t":"2031-02-01T00:30:00Z","terrain":0.66},{"above_terrain":false,"airmass":36.19,"alt":0.12,"az":20.6,"t":"2031-02-01T00:35:00Z","terrain":0.68},{"above_terrain":false,"airmass":31.87,"alt":0.46,"az":21.4,"t":"2031-02-01T00:40:00Z","terrain":0.82},{"above_terrain":false,"airmass":28.13,"alt":0.8,"az":22.3,"t":"2031-02-01T00:45:00Z","terrain":1.03},{"above_terrain":true,"airmass":24.92,"alt":1.16,"az":23.1,"t":"2031-02-01T00:50:00Z","terrain":1.14},{"above_terrain":true,"airmass":22.19,"alt":1.54,"az":23.9,"t":"2031-02-01T00:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":19.85,"alt":1.92,"az":24.7,"t":"2031-02-01T01:00:00Z","terrain":1.13},{"above_terrain":true,"airmass":17.85,"alt":2.32,"az":25.5,"t":"2031-02-01T01:05:00Z","terrain":1.28},{"above_terrain":true,"airmass":16.13,"alt":2.73,"az":26.3,"t":"2031-02-01T01:10:00Z","terrain":1.32},{"above_terrain":true,"airmass":14.65,"alt":3.15,"az":27.1,"t":"2031-02-01T01:15:00Z","terrain":1.27},{"above_terrain":true,"airmass":13.36,"alt":3.58,"az":27.9,"t":"2031-02-01T01:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":12.24,"alt":4.02,"az":28.7,"t":"2031-02-01T01:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":11.26,"alt":4.48,"az":29.4,"t":"2031-02-01T01:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":10.4,"alt":4.94,"az":30.2,"t":"2031-02-01T01:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":9.64,"alt":5.42,"az":31.0,"t":"2031-02-01T01:40:00Z","terrain":1.3},{"above_terrain":true,"airmass":8.96,"alt":5.91,"az":31.7,"t":"2031-02-01T01:45:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.36,"alt":6.4,"az":32.5,"t":"2031-02-01T01:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":7.82,"alt":6.91,"az":33.2,"t":"2031-02-01T01:55:00Z","terrain":0.88},{"above_terrain":true,"airmass":7.33,"alt":7.43,"az":33.9,"t":"2031-02-01T02:00:00Z","terrain":0.46},{"above_terrain":true,"airmass":6.89,"alt":7.96,"az":34.7,"t":"2031-02-01T02:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":6.49,"alt":8.49,"az":35.4,"t":"2031-02-01T02:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.13,"alt":9.04,"az":36.1,"t":"2031-02-01T02:15:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.8,"alt":9.6,"az":36.8,"t":"2031-02-01T02:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":5.5,"alt":10.16,"az":37.5,"t":"2031-02-01T02:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.23,"alt":10.74,"az":38.2,"t":"2031-02-01T02:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.97,"alt":11.32,"az":38.9,"t":"2031-02-01T02:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.74,"alt":11.91,"az":39.6,"t":"2031-02-01T02:40:00Z","terrain":-0.09},{"above_terrain":true,"airmass":4.53,"alt":12.51,"az":40.3,"t":"2031-02-01T02:45:00Z","terrain":-0.03},{"above_terrain":true,"airmass":4.33,"alt":13.12,"az":40.9,"t":"2031-02-01T02:50:00Z","terrain":0.02},{"above_terrain":true,"airmass":4.14,"alt":13.74,"az":41.6,"t":"2031-02-01T02:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":3.97,"alt":14.37,"az":42.3,"t":"2031-02-01T03:00:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.81,"alt":15.0,"az":42.9,"t":"2031-02-01T03:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.66,"alt":15.64,"az":43.6,"t":"2031-02-01T03:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.53,"alt":16.29,"az":44.2,"t":"2031-02-01T03:15:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.4,"alt":16.95,"az":44.8,"t":"2031-02-01T03:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.27,"alt":17.61,"az":45.5,"t":"2031-02-01T03:25:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.16,"alt":18.28,"az":46.1,"t":"2031-02-01T03:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.05,"alt":18.96,"az":46.7,"t":"2031-02-01T03:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.95,"alt":19.64,"az":47.3,"t":"2031-02-01T03:40:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.86,"alt":20.33,"az":47.9,"t":"2031-02-01T03:45:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.77,"alt":21.03,"az":48.5,"t":"2031-02-01T03:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.68,"alt":21.74,"az":49.1,"t":"2031-02-01T03:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.6,"alt":22.45,"az":49.7,"t":"2031-02-01T04:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.53,"alt":23.16,"az":50.3,"t":"2031-02-01T04:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":2.46,"alt":23.89,"az":50.9,"t":"2031-02-01T04:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.39,"alt":24.62,"az":51.4,"t":"2031-02-01T04:15:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.33,"alt":25.35,"az":52.0,"t":"2031-02-01T04:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.26,"alt":26.09,"az":52.6,"t":"2031-02-01T04:25:00Z","terrain":0.75},{"above_terrain":true,"airmass":2.21,"alt":26.84,"az":53.1,"t":"2031-02-01T04:30:00Z","terrain":0.86},{"above_terrain":true,"airmass":2.15,"alt":27.59,"az":53.6,"t":"2031-02-01T04:35:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.1,"alt":28.34,"az":54.2,"t":"2031-02-01T04:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.05,"alt":29.11,"az":54.7,"t":"2031-02-01T04:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.0,"alt":29.87,"az":55.3,"t":"2031-02-01T04:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.96,"alt":30.64,"az":55.8,"t":"2031-02-01T04:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.91,"alt":31.42,"az":56.3,"t":"2031-02-01T05:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.87,"alt":32.2,"az":56.8,"t":"2031-02-01T05:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.83,"alt":32.99,"az":57.3,"t":"2031-02-01T05:10:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.79,"alt":33.78,"az":57.8,"t":"2031-02-01T05:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.76,"alt":34.57,"az":58.3,"t":"2031-02-01T05:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.72,"alt":35.37,"az":58.8,"t":"2031-02-01T05:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.69,"alt":36.17,"az":59.3,"t":"2031-02-01T05:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.66,"alt":36.98,"az":59.8,"t":"2031-02-01T05:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.63,"alt":37.79,"az":60.3,"t":"2031-02-01T05:40:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.6,"alt":38.61,"az":60.7,"t":"2031-02-01T05:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.57,"alt":39.42,"az":61.2,"t":"2031-02-01T05:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.55,"alt":40.25,"az":61.7,"t":"2031-02-01T05:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.52,"alt":41.07,"az":62.1,"t":"2031-02-01T06:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.5,"alt":41.9,"az":62.6,"t":"2031-02-01T06:05:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.47,"alt":42.73,"az":63.0,"t":"2031-02-01T06:10:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.45,"alt":43.57,"az":63.4,"t":"2031-02-01T06:15:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.43,"alt":44.41,"az":63.9,"t":"2031-02-01T06:20:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.41,"alt":45.25,"az":64.3,"t":"2031-02-01T06:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":46.09,"az":64.7,"t":"2031-02-01T06:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.94,"az":65.1,"t":"2031-02-01T06:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.79,"az":65.6,"t":"2031-02-01T06:40:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.65,"az":66.0,"t":"2031-02-01T06:45:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.31,"alt":49.5,"az":66.4,"t":"2031-02-01T06:50:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.3,"alt":50.36,"az":66.7,"t":"2031-02-01T06:55:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.28,"alt":51.22,"az":67.1,"t":"2031-02-01T07:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.27,"alt":52.08,"az":67.5,"t":"2031-02-01T07:05:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.25,"alt":52.95,"az":67.9,"t":"2031-02-01T07:10:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.82,"az":68.2,"t":"2031-02-01T07:15:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.22,"alt":54.69,"az":68.6,"t":"2031-02-01T07:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.21,"alt":55.56,"az":68.9,"t":"2031-02-01T07:25:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.2,"alt":56.44,"az":69.3,"t":"2031-02-01T07:30:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.19,"alt":57.31,"az":69.6,"t":"2031-02-01T07:35:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.18,"alt":58.19,"az":69.9,"t":"2031-02-01T07:40:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.17,"alt":59.07,"az":70.2,"t":"2031-02-01T07:45:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.15,"alt":59.95,"az":70.5,"t":"2031-02-01T07:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.14,"alt":60.84,"az":70.8,"t":"2031-02-01T07:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":61.72,"az":71.1,"t":"2031-02-01T08:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":62.61,"az":71.4,"t":"2031-02-01T08:05:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.49,"az":71.6,"t":"2031-02-01T08:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":64.38,"az":71.9,"t":"2031-02-01T08:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.27,"az":72.1,"t":"2031-02-01T08:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.09,"alt":66.16,"az":72.3,"t":"2031-02-01T08:25:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.09,"alt":67.06,"az":72.4,"t":"2031-02-01T08:30:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.08,"alt":67.95,"az":72.6,"t":"2031-02-01T08:35:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.07,"alt":68.84,"az":72.7,"t":"2031-02-01T08:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.07,"alt":69.74,"az":72.8,"t":"2031-02-01T08:45:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.06,"alt":70.63,"az":72.9,"t":"2031-02-01T08:50:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.05,"alt":71.53,"az":72.9,"t":"2031-02-01T08:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.05,"alt":72.42,"az":72.9,"t":"2031-02-01T09:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.04,"alt":73.31,"az":72.9,"t":"2031-02-01T09:05:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.04,"alt":74.21,"az":72.7,"t":"2031-02-01T09:10:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.03,"alt":75.1,"az":72.6,"t":"2031-02-01T09:15:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.03,"alt":75.99,"az":72.3,"t":"2031-02-01T09:20:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.03,"alt":76.89,"az":71.9,"t":"2031-02-01T09:25:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.02,"alt":77.77,"az":71.5,"t":"2031-02-01T09:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.02,"alt":78.66,"az":70.9,"t":"2031-02-01T09:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.02,"alt":79.54,"az":70.1,"t":"2031-02-01T09:40:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.01,"alt":80.42,"az":69.0,"t":"2031-02-01T09:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.01,"alt":81.29,"az":67.7,"t":"2031-02-01T09:50:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.01,"alt":82.15,"az":66.0,"t":"2031-02-01T09:55:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.01,"alt":83.0,"az":63.8,"t":"2031-02-01T10:00:00Z","terrain":0.79}],"transit":{"airmass":1.0,"alt":87.2,"az":356.7,"t":"2031-01-31T10:40:00Z"},"usable_hours":0.58,"verdict":"poor","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."]}