{"assessment":{"best_window":{"end":"2025-04-19T23:45Z","end_local":"02:45","hours":0.08,"label":"good","mean_quality":0.62,"start":"2025-04-19T23:40Z","start_local":"02:40"},"cost":{"altitude":5.17,"clouds":1.36,"darkness":1.28,"moon":0.53},"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":"Barely","hourly":[{"alt":-22,"cloud":19,"high":0,"iso":"2025-04-19T18:00Z","label":"unusable","low":19,"mid":0,"moon_alt":-58,"precip":0.0,"q":0.0,"rh":93,"sky":"nautical twilight","temp":3.6,"time":"21:00","wind":6.8},{"alt":-17,"cloud":11,"high":0,"iso":"2025-04-19T19:00Z","label":"unusable","low":11,"mid":0,"moon_alt":-47,"precip":0.0,"q":0.0,"rh":94,"sky":"night","temp":2.8,"time":"22:00","wind":6.0},{"alt":-9,"cloud":8,"high":0,"iso":"2025-04-19T20:00Z","label":"unusable","low":8,"mid":0,"moon_alt":-36,"precip":0.0,"q":0.0,"rh":95,"sky":"night","temp":2.3,"time":"23:00","wind":5.3},{"alt":0,"cloud":3,"high":0,"iso":"2025-04-19T21:00Z","label":"unusable","low":3,"mid":0,"moon_alt":-26,"precip":0.0,"q":0.0,"rh":94,"sky":"night","temp":2.2,"time":"00:00","wind":5.9},{"alt":10,"cloud":3,"high":0,"iso":"2025-04-19T22:00Z","label":"unusable","low":3,"mid":0,"moon_alt":-16,"precip":0.0,"q":0.0,"rh":95,"sky":"night","temp":1.9,"time":"01:00","wind":7.4},{"alt":20,"cloud":12,"high":0,"iso":"2025-04-19T23:00Z","label":"marginal","low":12,"mid":0,"moon_alt":-6,"precip":0.0,"q":0.36,"rh":97,"sky":"night","temp":1.4,"time":"02:00","wind":7.4},{"alt":31,"cloud":70,"high":0,"iso":"2025-04-20T00:00Z","label":"poor","low":70,"mid":0,"moon_alt":3,"precip":0.0,"q":0.14,"rh":98,"sky":"night","temp":0.8,"time":"03:00","wind":6.9},{"alt":43,"cloud":71,"high":0,"iso":"2025-04-20T01:00Z","label":"poor","low":71,"mid":0,"moon_alt":10,"precip":0.0,"q":0.14,"rh":98,"sky":"night","temp":1.0,"time":"04:00","wind":7.7},{"alt":54,"cloud":93,"high":2,"iso":"2025-04-20T02:00Z","label":"unusable","low":93,"mid":0,"moon_alt":16,"precip":0.0,"q":0.0,"rh":98,"sky":"astronomical twilight","temp":0.4,"time":"05:00","wind":7.9},{"alt":63,"cloud":100,"high":0,"iso":"2025-04-20T03:00Z","label":"unusable","low":100,"mid":0,"moon_alt":19,"precip":0.0,"q":0.0,"rh":95,"sky":"nautical twilight","temp":0.4,"time":"06:00","wind":7.6}],"peak_quality":0.62,"peak_sky":0.71,"quality_hours":0.79,"reasons":["the target being low or below 20\u00b0 cost 5.2 quality-hours","cloud cover cost 1.4 quality-hours","daylight and twilight cost 1.3 quality-hours","moonlight cost 0.5 quality-hours"],"reference_hours":4.0,"score":14,"score_astronomy":38,"score_weather":37,"sky_hours":2.14,"verdict":"poor","verdict_astronomy":"poor","weather_known":true,"windows":[{"end":"2025-04-19T23:00Z","end_local":"02:00","hours":5.92,"label":"unusable","mean_quality":0.0,"start":"2025-04-19T17:05Z","start_local":"20:05"},{"end":"2025-04-19T23:40Z","end_local":"02:40","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2025-04-19T23:00Z","start_local":"02:00"},{"end":"2025-04-19T23:45Z","end_local":"02:45","hours":0.08,"label":"good","mean_quality":0.62,"start":"2025-04-19T23:40Z","start_local":"02:40"},{"end":"2025-04-20T00:00Z","end_local":"03:00","hours":0.25,"label":"marginal","mean_quality":0.54,"start":"2025-04-19T23:45Z","start_local":"02:45"},{"end":"2025-04-20T02:00Z","end_local":"05:00","hours":2.0,"label":"poor","mean_quality":0.14,"start":"2025-04-20T00:00Z","start_local":"03:00"},{"end":"2025-04-20T03:35Z","end_local":"06:35","hours":1.58,"label":"unusable","mean_quality":0.0,"start":"2025-04-20T02:00Z","start_local":"05:00"}]},"calculation_version":"2026-10-10.1","forecast":[{"cloud":36,"dark":false,"high":0,"local":"20:00","low":36,"mid":1,"precip":0.0,"rh":87,"temp":5.2,"time":"2025-04-19T17:00Z","wind":6.9},{"cloud":19,"dark":false,"high":0,"local":"21:00","low":19,"mid":0,"precip":0.0,"rh":93,"temp":3.6,"time":"2025-04-19T18:00Z","wind":6.8},{"cloud":11,"dark":true,"high":0,"local":"22:00","low":11,"mid":0,"precip":0.0,"rh":94,"temp":2.8,"time":"2025-04-19T19:00Z","wind":6.0},{"cloud":8,"dark":true,"high":0,"local":"23:00","low":8,"mid":0,"precip":0.0,"rh":95,"temp":2.3,"time":"2025-04-19T20:00Z","wind":5.3},{"cloud":3,"dark":true,"high":0,"local":"00:00","low":3,"mid":0,"precip":0.0,"rh":94,"temp":2.2,"time":"2025-04-19T21:00Z","wind":5.9},{"cloud":3,"dark":true,"high":0,"local":"01:00","low":3,"mid":0,"precip":0.0,"rh":95,"temp":1.9,"time":"2025-04-19T22:00Z","wind":7.4},{"cloud":12,"dark":true,"high":0,"local":"02:00","low":12,"mid":0,"precip":0.0,"rh":97,"temp":1.4,"time":"2025-04-19T23:00Z","wind":7.4},{"cloud":70,"dark":true,"high":0,"local":"03:00","low":70,"mid":0,"precip":0.0,"rh":98,"temp":0.8,"time":"2025-04-20T00:00Z","wind":6.9},{"cloud":71,"dark":true,"high":0,"local":"04:00","low":71,"mid":0,"precip":0.0,"rh":98,"temp":1.0,"time":"2025-04-20T01:00Z","wind":7.7},{"cloud":93,"dark":false,"high":2,"local":"05:00","low":93,"mid":0,"precip":0.0,"rh":98,"temp":0.4,"time":"2025-04-20T02:00Z","wind":7.9},{"cloud":100,"dark":false,"high":0,"local":"06:00","low":100,"mid":0,"precip":0.0,"rh":95,"temp":0.4,"time":"2025-04-20T03:00Z","wind":7.6},{"cloud":100,"dark":false,"high":0,"local":"07:00","low":100,"mid":0,"precip":0.0,"rh":93,"temp":0.5,"time":"2025-04-20T04:00Z","wind":7.0}],"forecast_source":"history","forecast_updated_at":"2026-10-25T17:57:06Z","limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2025-04-19T18:48:20Z","dark_hours":7.05,"dark_to":"2025-04-20T01:51:11Z","moon":{"illumination":0.616,"phase":"waning gibbous","waxing":false},"moon_free_dark_hours":4.88,"moonrise":"2025-04-19T23:42:00Z","moonset":"2025-04-20T08:12:20Z","sunrise":"2025-04-20T03:33:15Z","sunset":"2025-04-19T17:06:13Z","twilight":{"astronomical":{"end":"2025-04-19T18:48:20Z","start":"2025-04-20T01:51:11Z"},"civil":{"end":"2025-04-19T17:35:28Z","start":"2025-04-20T03:04:02Z"},"nautical":{"end":"2025-04-19T18:10:46Z","start":"2025-04-20T02:28:45Z"}},"window_end":"2025-04-20T09:00:00Z","window_start":"2025-04-19T09:00:00Z"},"night_date":"2025-04-19","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.27,"alt":51.9,"t":"2025-04-20T01:50:00Z"},"dec":22.71085365,"dec_of_date":22.7819,"dec_str":"+22\u00b0 42' 39.1\"","good_hours":2.0,"limit_rise":"2025-04-19T22:57:52Z","limit_set":"2025-04-19T10:03:37Z","max_az_rate_deg_per_min":0.71,"moon_separation":51.2,"never_rises":false,"ra":300.18213726,"ra_of_date":300.4553,"ra_str":"20h 00m 43.7s","resolved":{"dec":22.71085365,"name":"HD 189733","ra":300.18213726,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=HD%20189733","source":"sesame","spectral_type":"K2V","type":"BY*","type_text":"BY Draconis variable \u2014 a spotted, rotating star","vmag":7.648},"summary":"Only 2.0 h above 30\u00b0, 2.9 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2025-04-19T11:57:34Z","blocked_dark_hours":0,"clears_at":"2025-04-19T21:09:23Z","rise_az":273.3},"track":[{"above_terrain":true,"airmass":1.89,"alt":31.77,"az":273.3,"t":"2025-04-19T09:00:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.95,"alt":30.84,"az":274.1,"t":"2025-04-19T09:05:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.0,"alt":29.9,"az":274.9,"t":"2025-04-19T09:10:00Z","terrain":0.08},{"above_terrain":true,"airmass":2.06,"alt":28.97,"az":275.7,"t":"2025-04-19T09:15:00Z","terrain":0.02},{"above_terrain":true,"airmass":2.12,"alt":28.04,"az":276.5,"t":"2025-04-19T09:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.19,"alt":27.11,"az":277.3,"t":"2025-04-19T09:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.26,"alt":26.19,"az":278.0,"t":"2025-04-19T09:30:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.33,"alt":25.26,"az":278.8,"t":"2025-04-19T09:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.42,"alt":24.34,"az":279.6,"t":"2025-04-19T09:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.5,"alt":23.41,"az":280.3,"t":"2025-04-19T09:45:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.6,"alt":22.49,"az":281.1,"t":"2025-04-19T09:50:00Z","terrain":0.01},{"above_terrain":true,"airmass":2.7,"alt":21.58,"az":281.9,"t":"2025-04-19T09:55:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.82,"alt":20.66,"az":282.6,"t":"2025-04-19T10:00:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.94,"alt":19.75,"az":283.4,"t":"2025-04-19T10:05:00Z","terrain":0.04},{"above_terrain":true,"airmass":3.07,"alt":18.84,"az":284.1,"t":"2025-04-19T10:10:00Z","terrain":0.13},{"above_terrain":true,"airmass":3.22,"alt":17.93,"az":284.9,"t":"2025-04-19T10:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.38,"alt":17.03,"az":285.6,"t":"2025-04-19T10:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.56,"alt":16.13,"az":286.4,"t":"2025-04-19T10:25:00Z","terrain":0.28},{"above_terrain":true,"airmass":3.76,"alt":15.24,"az":287.1,"t":"2025-04-19T10:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.98,"alt":14.34,"az":287.9,"t":"2025-04-19T10:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":4.23,"alt":13.45,"az":288.7,"t":"2025-04-19T10:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.51,"alt":12.57,"az":289.4,"t":"2025-04-19T10:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":4.83,"alt":11.69,"az":290.2,"t":"2025-04-19T10:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.19,"alt":10.81,"az":291.0,"t":"2025-04-19T10:55:00Z","terrain":0.48},{"above_terrain":true,"airmass":5.62,"alt":9.94,"az":291.7,"t":"2025-04-19T11:00:00Z","terrain":0.53},{"above_terrain":true,"airmass":6.11,"alt":9.07,"az":292.5,"t":"2025-04-19T11:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":6.7,"alt":8.21,"az":293.3,"t":"2025-04-19T11:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":7.4,"alt":7.36,"az":294.1,"t":"2025-04-19T11:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":8.25,"alt":6.5,"az":294.9,"t":"2025-04-19T11:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":9.3,"alt":5.66,"az":295.7,"t":"2025-04-19T11:25:00Z","terrain":0.3},{"above_terrain":true,"airmass":10.63,"alt":4.82,"az":296.4,"t":"2025-04-19T11:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":12.35,"alt":3.98,"az":297.2,"t":"2025-04-19T11:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":14.64,"alt":3.15,"az":298.1,"t":"2025-04-19T11:40:00Z","terrain":0.12},{"above_terrain":true,"airmass":17.81,"alt":2.33,"az":298.9,"t":"2025-04-19T11:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":22.36,"alt":1.51,"az":299.7,"t":"2025-04-19T11:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":29.14,"alt":0.7,"az":300.5,"t":"2025-04-19T11:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-0.1,"az":301.3,"t":"2025-04-19T12:00:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-0.9,"az":302.2,"t":"2025-04-19T12:05:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-1.68,"az":303.0,"t":"2025-04-19T12:10:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-2.47,"az":303.9,"t":"2025-04-19T12:15:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-3.24,"az":304.7,"t":"2025-04-19T12:20:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-4.0,"az":305.6,"t":"2025-04-19T12:25:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-4.76,"az":306.5,"t":"2025-04-19T12:30:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-5.51,"az":307.4,"t":"2025-04-19T12:35:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-6.25,"az":308.3,"t":"2025-04-19T12:40:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-6.98,"az":309.2,"t":"2025-04-19T12:45:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-7.7,"az":310.1,"t":"2025-04-19T12:50:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-8.41,"az":311.0,"t":"2025-04-19T12:55:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-9.11,"az":311.9,"t":"2025-04-19T13:00:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-9.8,"az":312.9,"t":"2025-04-19T13:05:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-10.48,"az":313.8,"t":"2025-04-19T13:10:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-11.15,"az":314.8,"t":"2025-04-19T13:15:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-11.81,"az":315.7,"t":"2025-04-19T13:20:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-12.46,"az":316.7,"t":"2025-04-19T13:25:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-13.1,"az":317.7,"t":"2025-04-19T13:30:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-13.72,"az":318.7,"t":"2025-04-19T13:35:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-14.33,"az":319.7,"t":"2025-04-19T13:40:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-14.93,"az":320.7,"t":"2025-04-19T13:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.52,"az":321.8,"t":"2025-04-19T13:50:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-16.09,"az":322.8,"t":"2025-04-19T13:55:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-16.65,"az":323.9,"t":"2025-04-19T14:00:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-17.19,"az":324.9,"t":"2025-04-19T14:05:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-17.72,"az":326.0,"t":"2025-04-19T14:10:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-18.24,"az":327.1,"t":"2025-04-19T14:15:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-18.74,"az":328.2,"t":"2025-04-19T14:20:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-19.23,"az":329.3,"t":"2025-04-19T14:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-19.7,"az":330.4,"t":"2025-04-19T14:30:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-20.15,"az":331.5,"t":"2025-04-19T14:35:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-20.59,"az":332.7,"t":"2025-04-19T14:40:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-21.01,"az":333.8,"t":"2025-04-19T14:45:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-21.41,"az":335.0,"t":"2025-04-19T14:50:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-21.8,"az":336.2,"t":"2025-04-19T14:55:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-22.17,"az":337.4,"t":"2025-04-19T15:00:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-22.52,"az":338.5,"t":"2025-04-19T15:05:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-22.85,"az":339.7,"t":"2025-04-19T15:10:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-23.17,"az":341.0,"t":"2025-04-19T15:15:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-23.46,"az":342.2,"t":"2025-04-19T15:20:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-23.74,"az":343.4,"t":"2025-04-19T15:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-24.0,"az":344.6,"t":"2025-04-19T15:30:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-24.24,"az":345.9,"t":"2025-04-19T15:35:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-24.46,"az":347.1,"t":"2025-04-19T15:40:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-24.66,"az":348.4,"t":"2025-04-19T15:45:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-24.83,"az":349.6,"t":"2025-04-19T15:50:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-24.99,"az":350.9,"t":"2025-04-19T15:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-25.13,"az":352.1,"t":"2025-04-19T16:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-25.25,"az":353.4,"t":"2025-04-19T16:05:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-25.35,"az":354.7,"t":"2025-04-19T16:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-25.42,"az":356.0,"t":"2025-04-19T16:15:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-25.48,"az":357.2,"t":"2025-04-19T16:20:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-25.51,"az":358.5,"t":"2025-04-19T16:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-25.52,"az":359.8,"t":"2025-04-19T16:30:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-25.52,"az":1.1,"t":"2025-04-19T16:35:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-25.49,"az":2.4,"t":"2025-04-19T16:40:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-25.44,"az":3.6,"t":"2025-04-19T16:45:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-25.37,"az":4.9,"t":"2025-04-19T16:50:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-25.28,"az":6.2,"t":"2025-04-19T16:55:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-25.17,"az":7.5,"t":"2025-04-19T17:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-25.04,"az":8.7,"t":"2025-04-19T17:05:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-24.88,"az":10.0,"t":"2025-04-19T17:10:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-24.71,"az":11.3,"t":"2025-04-19T17:15:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-24.52,"az":12.5,"t":"2025-04-19T17:20:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-24.31,"az":13.8,"t":"2025-04-19T17:25:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-24.07,"az":15.0,"t":"2025-04-19T17:30:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-23.82,"az":16.2,"t":"2025-04-19T17:35:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-23.55,"az":17.5,"t":"2025-04-19T17:40:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-23.26,"az":18.7,"t":"2025-04-19T17:45:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-22.95,"az":19.9,"t":"2025-04-19T17:50:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-22.62,"az":21.1,"t":"2025-04-19T17:55:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-22.28,"az":22.3,"t":"2025-04-19T18:00:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-21.91,"az":23.5,"t":"2025-04-19T18:05:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-21.53,"az":24.6,"t":"2025-04-19T18:10:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-21.13,"az":25.8,"t":"2025-04-19T18:15:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-20.72,"az":27.0,"t":"2025-04-19T18:20:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-20.28,"az":28.1,"t":"2025-04-19T18:25:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-19.83,"az":29.2,"t":"2025-04-19T18:30:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-19.37,"az":30.4,"t":"2025-04-19T18:35:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-18.89,"az":31.5,"t":"2025-04-19T18:40:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-18.39,"az":32.6,"t":"2025-04-19T18:45:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-17.88,"az":33.7,"t":"2025-04-19T18:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.35,"az":34.7,"t":"2025-04-19T18:55:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-16.81,"az":35.8,"t":"2025-04-19T19:00:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-16.26,"az":36.9,"t":"2025-04-19T19:05:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-15.69,"az":37.9,"t":"2025-04-19T19:10:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.11,"az":39.0,"t":"2025-04-19T19:15:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-14.51,"az":40.0,"t":"2025-04-19T19:20:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-13.91,"az":41.0,"t":"2025-04-19T19:25:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-13.29,"az":42.0,"t":"2025-04-19T19:30:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-12.65,"az":43.0,"t":"2025-04-19T19:35:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-12.01,"az":44.0,"t":"2025-04-19T19:40:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-11.35,"az":44.9,"t":"2025-04-19T19:45:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-10.69,"az":45.9,"t":"2025-04-19T19:50:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-10.01,"az":46.9,"t":"2025-04-19T19:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.32,"az":47.8,"t":"2025-04-19T20:00:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-8.62,"az":48.7,"t":"2025-04-19T20:05:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-7.92,"az":49.7,"t":"2025-04-19T20:10:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-7.2,"az":50.6,"t":"2025-04-19T20:15:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-6.47,"az":51.5,"t":"2025-04-19T20:20:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-5.73,"az":52.4,"t":"2025-04-19T20:25:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-4.99,"az":53.3,"t":"2025-04-19T20:30:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-4.23,"az":54.1,"t":"2025-04-19T20:35:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-3.47,"az":55.0,"t":"2025-04-19T20:40:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-2.7,"az":55.9,"t":"2025-04-19T20:45:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-1.92,"az":56.7,"t":"2025-04-19T20:50:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.13,"az":57.6,"t":"2025-04-19T20:55:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-0.34,"az":58.4,"t":"2025-04-19T21:00:00Z","terrain":1.23},{"above_terrain":false,"airmass":31.82,"alt":0.46,"az":59.2,"t":"2025-04-19T21:05:00Z","terrain":1.2},{"above_terrain":true,"airmass":24.12,"alt":1.27,"az":60.1,"t":"2025-04-19T21:10:00Z","terrain":1.16},{"above_terrain":true,"airmass":19.01,"alt":2.08,"az":60.9,"t":"2025-04-19T21:15:00Z","terrain":1.1},{"above_terrain":true,"airmass":15.49,"alt":2.9,"az":61.7,"t":"2025-04-19T21:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":12.97,"alt":3.73,"az":62.5,"t":"2025-04-19T21:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":11.1,"alt":4.56,"az":63.3,"t":"2025-04-19T21:30:00Z","terrain":0.87},{"above_terrain":true,"airmass":9.67,"alt":5.4,"az":64.1,"t":"2025-04-19T21:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":8.54,"alt":6.25,"az":64.9,"t":"2025-04-19T21:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":7.63,"alt":7.1,"az":65.7,"t":"2025-04-19T21:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":6.89,"alt":7.95,"az":66.5,"t":"2025-04-19T21:50:00Z","terrain":0.88},{"above_terrain":true,"airmass":6.28,"alt":8.81,"az":67.3,"t":"2025-04-19T21:55:00Z","terrain":0.95},{"above_terrain":true,"airmass":5.76,"alt":9.68,"az":68.0,"t":"2025-04-19T22:00:00Z","terrain":0.99},{"above_terrain":true,"airmass":5.31,"alt":10.55,"az":68.8,"t":"2025-04-19T22:05:00Z","terrain":1.04},{"above_terrain":true,"airmass":4.93,"alt":11.42,"az":69.6,"t":"2025-04-19T22:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":4.6,"alt":12.3,"az":70.3,"t":"2025-04-19T22:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":4.31,"alt":13.19,"az":71.1,"t":"2025-04-19T22:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":4.05,"alt":14.07,"az":71.9,"t":"2025-04-19T22:25:00Z","terrain":1.21},{"above_terrain":true,"airmass":3.82,"alt":14.97,"az":72.6,"t":"2025-04-19T22:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":3.62,"alt":15.86,"az":73.4,"t":"2025-04-19T22:35:00Z","terrain":0.89},{"above_terrain":true,"airmass":3.43,"alt":16.76,"az":74.1,"t":"2025-04-19T22:40:00Z","terrain":0.72},{"above_terrain":true,"airmass":3.27,"alt":17.66,"az":74.9,"t":"2025-04-19T22:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.11,"alt":18.57,"az":75.7,"t":"2025-04-19T22:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.98,"alt":19.48,"az":76.4,"t":"2025-04-19T22:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.85,"alt":20.39,"az":77.2,"t":"2025-04-19T23:00:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.74,"alt":21.3,"az":77.9,"t":"2025-04-19T23:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.63,"alt":22.22,"az":78.7,"t":"2025-04-19T23:10:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.53,"alt":23.14,"az":79.4,"t":"2025-04-19T23:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.44,"alt":24.06,"az":80.2,"t":"2025-04-19T23:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.36,"alt":24.98,"az":81.0,"t":"2025-04-19T23:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":2.28,"alt":25.91,"az":81.7,"t":"2025-04-19T23:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":2.21,"alt":26.83,"az":82.5,"t":"2025-04-19T23:35:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.14,"alt":27.76,"az":83.3,"t":"2025-04-19T23:40:00Z","terrain":0.45},{"above_terrain":true,"airmass":2.08,"alt":28.69,"az":84.1,"t":"2025-04-19T23:45:00Z","terrain":0.38},{"above_terrain":true,"airmass":2.02,"alt":29.62,"az":84.8,"t":"2025-04-19T23:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.96,"alt":30.56,"az":85.6,"t":"2025-04-19T23:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.91,"alt":31.49,"az":86.4,"t":"2025-04-20T00:00:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.86,"alt":32.42,"az":87.2,"t":"2025-04-20T00:05:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.81,"alt":33.36,"az":88.0,"t":"2025-04-20T00:10:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.77,"alt":34.29,"az":88.8,"t":"2025-04-20T00:15:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.73,"alt":35.23,"az":89.7,"t":"2025-04-20T00:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.69,"alt":36.17,"az":90.5,"t":"2025-04-20T00:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.65,"alt":37.1,"az":91.3,"t":"2025-04-20T00:30:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.62,"alt":38.04,"az":92.2,"t":"2025-04-20T00:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.59,"alt":38.97,"az":93.1,"t":"2025-04-20T00:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.56,"alt":39.91,"az":94.0,"t":"2025-04-20T00:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.53,"alt":40.84,"az":94.8,"t":"2025-04-20T00:50:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.5,"alt":41.77,"az":95.8,"t":"2025-04-20T00:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.47,"alt":42.7,"az":96.7,"t":"2025-04-20T01:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.45,"alt":43.63,"az":97.6,"t":"2025-04-20T01:05:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.42,"alt":44.56,"az":98.6,"t":"2025-04-20T01:10:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.4,"alt":45.48,"az":99.6,"t":"2025-04-20T01:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.38,"alt":46.4,"az":100.6,"t":"2025-04-20T01:20:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.36,"alt":47.32,"az":101.6,"t":"2025-04-20T01:25:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.34,"alt":48.24,"az":102.6,"t":"2025-04-20T01:30:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.32,"alt":49.15,"az":103.7,"t":"2025-04-20T01:35:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.3,"alt":50.06,"az":104.8,"t":"2025-04-20T01:40:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.29,"alt":50.96,"az":106.0,"t":"2025-04-20T01:45:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.27,"alt":51.85,"az":107.1,"t":"2025-04-20T01:50:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.26,"alt":52.75,"az":108.3,"t":"2025-04-20T01:55:00Z","terrain":-1.02},{"above_terrain":true,"airmass":1.24,"alt":53.63,"az":109.6,"t":"2025-04-20T02:00:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.23,"alt":54.51,"az":110.9,"t":"2025-04-20T02:05:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.21,"alt":55.38,"az":112.2,"t":"2025-04-20T02:10:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.2,"alt":56.24,"az":113.5,"t":"2025-04-20T02:15:00Z","terrain":-1.54},{"above_terrain":true,"airmass":1.19,"alt":57.1,"az":115.0,"t":"2025-04-20T02:20:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.18,"alt":57.94,"az":116.4,"t":"2025-04-20T02:25:00Z","terrain":-1.54},{"above_terrain":true,"airmass":1.17,"alt":58.77,"az":118.0,"t":"2025-04-20T02:30:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.16,"alt":59.59,"az":119.6,"t":"2025-04-20T02:35:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.15,"alt":60.4,"az":121.2,"t":"2025-04-20T02:40:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.14,"alt":61.19,"az":122.9,"t":"2025-04-20T02:45:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.13,"alt":61.97,"az":124.7,"t":"2025-04-20T02:50:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.12,"alt":62.73,"az":126.6,"t":"2025-04-20T02:55:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.12,"alt":63.47,"az":128.6,"t":"2025-04-20T03:00:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.11,"alt":64.19,"az":130.6,"t":"2025-04-20T03:05:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.1,"alt":64.89,"az":132.8,"t":"2025-04-20T03:10:00Z","terrain":-1.66},{"above_terrain":true,"airmass":1.1,"alt":65.57,"az":135.0,"t":"2025-04-20T03:15:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.09,"alt":66.22,"az":137.3,"t":"2025-04-20T03:20:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.09,"alt":66.84,"az":139.8,"t":"2025-04-20T03:25:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.08,"alt":67.42,"az":142.3,"t":"2025-04-20T03:30:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.08,"alt":67.98,"az":145.0,"t":"2025-04-20T03:35:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.07,"alt":68.5,"az":147.8,"t":"2025-04-20T03:40:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.07,"alt":68.98,"az":150.7,"t":"2025-04-20T03:45:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.07,"alt":69.41,"az":153.7,"t":"2025-04-20T03:50:00Z","terrain":-1.01},{"above_terrain":true,"airmass":1.07,"alt":69.8,"az":156.8,"t":"2025-04-20T03:55:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.06,"alt":70.15,"az":160.1,"t":"2025-04-20T04:00:00Z","terrain":-0.92},{"above_terrain":true,"airmass":1.06,"alt":70.44,"az":163.4,"t":"2025-04-20T04:05:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.06,"alt":70.68,"az":166.8,"t":"2025-04-20T04:10:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.06,"alt":70.87,"az":170.2,"t":"2025-04-20T04:15:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.06,"alt":71.0,"az":173.8,"t":"2025-04-20T04:20:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.06,"alt":71.07,"az":177.3,"t":"2025-04-20T04:25:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.06,"alt":71.09,"az":180.9,"t":"2025-04-20T04:30:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.06,"alt":71.04,"az":184.4,"t":"2025-04-20T04:35:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.06,"alt":70.94,"az":188.0,"t":"2025-04-20T04:40:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.06,"alt":70.79,"az":191.5,"t":"2025-04-20T04:45:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.06,"alt":70.57,"az":194.9,"t":"2025-04-20T04:50:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.06,"alt":70.31,"az":198.2,"t":"2025-04-20T04:55:00Z","terrain":-0.36},{"above_terrain":true,"airmass":1.06,"alt":69.99,"az":201.5,"t":"2025-04-20T05:00:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.07,"alt":69.62,"az":204.7,"t":"2025-04-20T05:05:00Z","terrain":-0.3},{"above_terrain":true,"airmass":1.07,"alt":69.21,"az":207.8,"t":"2025-04-20T05:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.07,"alt":68.75,"az":210.7,"t":"2025-04-20T05:15:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.08,"alt":68.25,"az":213.6,"t":"2025-04-20T05:20:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.08,"alt":67.71,"az":216.3,"t":"2025-04-20T05:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.08,"alt":67.14,"az":218.9,"t":"2025-04-20T05:30:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.09,"alt":66.54,"az":221.4,"t":"2025-04-20T05:35:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.09,"alt":65.91,"az":223.8,"t":"2025-04-20T05:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.1,"alt":65.24,"az":226.1,"t":"2025-04-20T05:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.11,"alt":64.56,"az":228.3,"t":"2025-04-20T05:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.11,"alt":63.85,"az":230.4,"t":"2025-04-20T05:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.12,"alt":63.12,"az":232.4,"t":"2025-04-20T06:00:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.13,"alt":62.37,"az":234.3,"t":"2025-04-20T06:05:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.14,"alt":61.6,"az":236.2,"t":"2025-04-20T06:10:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.14,"alt":60.81,"az":237.9,"t":"2025-04-20T06:15:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.15,"alt":60.01,"az":239.6,"t":"2025-04-20T06:20:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.16,"alt":59.2,"az":241.2,"t":"2025-04-20T06:25:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.17,"alt":58.37,"az":242.8,"t":"2025-04-20T06:30:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.18,"alt":57.53,"az":244.3,"t":"2025-04-20T06:35:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.2,"alt":56.68,"az":245.7,"t":"2025-04-20T06:40:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.21,"alt":55.83,"az":247.1,"t":"2025-04-20T06:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.22,"alt":54.96,"az":248.5,"t":"2025-04-20T06:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.23,"alt":54.09,"az":249.8,"t":"2025-04-20T06:55:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.25,"alt":53.2,"az":251.0,"t":"2025-04-20T07:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.26,"alt":52.32,"az":252.3,"t":"2025-04-20T07:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.28,"alt":51.42,"az":253.4,"t":"2025-04-20T07:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.29,"alt":50.52,"az":254.6,"t":"2025-04-20T07:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.31,"alt":49.62,"az":255.7,"t":"2025-04-20T07:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.33,"alt":48.71,"az":256.8,"t":"2025-04-20T07:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.35,"alt":47.79,"az":257.9,"t":"2025-04-20T07:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.37,"alt":46.88,"az":258.9,"t":"2025-04-20T07:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.39,"alt":45.96,"az":259.9,"t":"2025-04-20T07:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.41,"alt":45.03,"az":260.9,"t":"2025-04-20T07:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.44,"alt":44.11,"az":261.9,"t":"2025-04-20T07:50:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.46,"alt":43.18,"az":262.8,"t":"2025-04-20T07:55:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.49,"alt":42.25,"az":263.8,"t":"2025-04-20T08:00:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.51,"alt":41.32,"az":264.7,"t":"2025-04-20T08:05:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.54,"alt":40.39,"az":265.6,"t":"2025-04-20T08:10:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.57,"alt":39.45,"az":266.5,"t":"2025-04-20T08:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.6,"alt":38.52,"az":267.3,"t":"2025-04-20T08:20:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.64,"alt":37.58,"az":268.2,"t":"2025-04-20T08:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.67,"alt":36.65,"az":269.1,"t":"2025-04-20T08:30:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.71,"alt":35.71,"az":269.9,"t":"2025-04-20T08:35:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.75,"alt":34.78,"az":270.7,"t":"2025-04-20T08:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.79,"alt":33.84,"az":271.6,"t":"2025-04-20T08:45:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.84,"alt":32.91,"az":272.4,"t":"2025-04-20T08:50:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.88,"alt":31.97,"az":273.2,"t":"2025-04-20T08:55:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.93,"alt":31.04,"az":274.0,"t":"2025-04-20T09:00:00Z","terrain":-0.02}],"transit":{"airmass":1.06,"alt":71.1,"az":180.9,"t":"2025-04-20T04:30:00Z"},"usable_hours":2.92,"verdict":"marginal","zenith_passage":false},"warnings":[]}