{"assessment":{"best_window":null,"cost":{"altitude":6.2,"clouds":2.44,"darkness":1.18,"moon":0.03},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":"Overcast (\u226580 % cloud) for 8.5 of 10.2 dark hours \u2014 the sky is closed whatever the geometry says.","headline":"Not tonight","hourly":[{"alt":-2,"cloud":37,"high":0,"iso":"2025-04-04T17:00Z","label":"unusable","low":36,"mid":5,"moon_alt":73,"precip":0.0,"q":0.0,"rh":84,"sky":"civil twilight","temp":0.8,"time":"20:00","wind":1.7},{"alt":-4,"cloud":48,"high":0,"iso":"2025-04-04T18:00Z","label":"unusable","low":47,"mid":9,"moon_alt":65,"precip":0.0,"q":0.0,"rh":89,"sky":"astronomical twilight","temp":-0.6,"time":"21:00","wind":1.8},{"alt":-4,"cloud":100,"high":0,"iso":"2025-04-04T19:00Z","label":"unusable","low":100,"mid":0,"moon_alt":54,"precip":0.1,"q":0.0,"rh":95,"sky":"night","temp":-1.2,"time":"22:00","wind":2.5},{"alt":-1,"cloud":98,"high":0,"iso":"2025-04-04T20:00Z","label":"unusable","low":98,"mid":0,"moon_alt":43,"precip":0.0,"q":0.0,"rh":98,"sky":"night","temp":-1.3,"time":"23:00","wind":2.5},{"alt":3,"cloud":98,"high":1,"iso":"2025-04-04T21:00Z","label":"unusable","low":98,"mid":4,"moon_alt":32,"precip":0.0,"q":0.0,"rh":100,"sky":"night","temp":-1.6,"time":"00:00","wind":3.0},{"alt":8,"cloud":99,"high":0,"iso":"2025-04-04T22:00Z","label":"unusable","low":99,"mid":14,"moon_alt":22,"precip":0.0,"q":0.0,"rh":100,"sky":"night","temp":-2.3,"time":"01:00","wind":3.6},{"alt":16,"cloud":100,"high":0,"iso":"2025-04-04T23:00Z","label":"unusable","low":100,"mid":1,"moon_alt":12,"precip":0.0,"q":0.0,"rh":99,"sky":"night","temp":-2.5,"time":"02:00","wind":3.6},{"alt":24,"cloud":98,"high":0,"iso":"2025-04-05T00:00Z","label":"unusable","low":98,"mid":1,"moon_alt":2,"precip":0.0,"q":0.0,"rh":100,"sky":"night","temp":-2.5,"time":"03:00","wind":4.4},{"alt":33,"cloud":100,"high":0,"iso":"2025-04-05T01:00Z","label":"unusable","low":100,"mid":0,"moon_alt":-6,"precip":0.0,"q":0.0,"rh":99,"sky":"night","temp":-1.5,"time":"04:00","wind":4.5},{"alt":43,"cloud":100,"high":0,"iso":"2025-04-05T02:00Z","label":"unusable","low":100,"mid":0,"moon_alt":-13,"precip":0.0,"q":0.0,"rh":99,"sky":"night","temp":-1.6,"time":"05:00","wind":4.8},{"alt":53,"cloud":100,"high":0,"iso":"2025-04-05T03:00Z","label":"unusable","low":100,"mid":0,"moon_alt":-18,"precip":0.0,"q":0.0,"rh":98,"sky":"nautical twilight","temp":-2.3,"time":"06:00","wind":5.1}],"peak_quality":0.0,"peak_sky":0.91,"quality_hours":0.0,"reasons":["the target being low or below 20\u00b0 cost 6.2 quality-hours","cloud cover cost 2.4 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":0,"score_astronomy":55,"score_weather":0,"sky_hours":2.44,"verdict":"unusable","verdict_astronomy":"marginal","weather_known":true,"windows":[{"end":"2025-04-05T04:00Z","end_local":"07:00","hours":11.25,"label":"unusable","mean_quality":0.0,"start":"2025-04-04T16:45Z","start_local":"19:45"}]},"calculation_version":"2026-10-10.1","forecast":[{"cloud":35,"dark":false,"high":0,"local":"19:00","low":34,"mid":3,"precip":0.0,"rh":69,"temp":3.3,"time":"2025-04-04T16:00Z","wind":3.3},{"cloud":37,"dark":false,"high":0,"local":"20:00","low":36,"mid":5,"precip":0.0,"rh":84,"temp":0.8,"time":"2025-04-04T17:00Z","wind":1.7},{"cloud":48,"dark":false,"high":0,"local":"21:00","low":47,"mid":9,"precip":0.0,"rh":89,"temp":-0.6,"time":"2025-04-04T18:00Z","wind":1.8},{"cloud":100,"dark":true,"high":0,"local":"22:00","low":100,"mid":0,"precip":0.1,"rh":95,"temp":-1.2,"time":"2025-04-04T19:00Z","wind":2.5},{"cloud":98,"dark":true,"high":0,"local":"23:00","low":98,"mid":0,"precip":0.0,"rh":98,"temp":-1.3,"time":"2025-04-04T20:00Z","wind":2.5},{"cloud":98,"dark":true,"high":1,"local":"00:00","low":98,"mid":4,"precip":0.0,"rh":100,"temp":-1.6,"time":"2025-04-04T21:00Z","wind":3.0},{"cloud":99,"dark":true,"high":0,"local":"01:00","low":99,"mid":14,"precip":0.0,"rh":100,"temp":-2.3,"time":"2025-04-04T22:00Z","wind":3.6},{"cloud":100,"dark":true,"high":0,"local":"02:00","low":100,"mid":1,"precip":0.0,"rh":99,"temp":-2.5,"time":"2025-04-04T23:00Z","wind":3.6},{"cloud":98,"dark":true,"high":0,"local":"03:00","low":98,"mid":1,"precip":0.0,"rh":100,"temp":-2.5,"time":"2025-04-05T00:00Z","wind":4.4},{"cloud":100,"dark":true,"high":0,"local":"04:00","low":100,"mid":0,"precip":0.0,"rh":99,"temp":-1.5,"time":"2025-04-05T01:00Z","wind":4.5},{"cloud":100,"dark":true,"high":0,"local":"05:00","low":100,"mid":0,"precip":0.0,"rh":99,"temp":-1.6,"time":"2025-04-05T02:00Z","wind":4.8},{"cloud":100,"dark":false,"high":0,"local":"06:00","low":100,"mid":0,"precip":0.0,"rh":98,"temp":-2.3,"time":"2025-04-05T03:00Z","wind":5.1},{"cloud":100,"dark":false,"high":0,"local":"07:00","low":100,"mid":0,"precip":0.0,"rh":99,"temp":-2.1,"time":"2025-04-05T04:00Z","wind":4.8}],"forecast_source":"history","forecast_updated_at":"2026-10-26T08:06:33Z","limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2025-04-04T18:26:27Z","dark_hours":7.9,"dark_to":"2025-04-05T02:20:38Z","moon":{"illumination":0.482,"phase":"first quarter","waxing":true},"moon_free_dark_hours":2.05,"moonrise":null,"moonset":"2025-04-05T00:16:00Z","sunrise":"2025-04-05T03:57:12Z","sunset":"2025-04-04T16:49:48Z","twilight":{"astronomical":{"end":"2025-04-04T18:26:27Z","start":"2025-04-05T02:20:38Z"},"civil":{"end":"2025-04-04T17:18:02Z","start":"2025-04-05T03:29:00Z"},"nautical":{"end":"2025-04-04T17:51:35Z","start":"2025-04-05T02:55:29Z"}},"window_end":"2025-04-05T09:00:00Z","window_start":"2025-04-04T09:00:00Z"},"night_date":"2025-04-04","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.39,"alt":46.0,"t":"2025-04-05T02:20:00Z"},"dec":44.33,"dec_of_date":44.4291,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":1.67,"limit_rise":"2025-04-04T23:32:59Z","limit_set":"2025-04-04T13:21:53Z","max_az_rate_deg_per_min":3.65,"moon_separation":103.0,"never_rises":false,"ra":314.69583333,"ra_of_date":314.9218,"ra_str":"20h 58m 47.0s","resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"summary":"Only 1.7 h above 30\u00b0, 2.8 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2025-04-04T16:38:26Z","blocked_dark_hours":0,"clears_at":"2025-04-04T20:40:14Z","rise_az":288.6},"track":[{"above_terrain":true,"airmass":1.13,"alt":62.53,"az":288.6,"t":"2025-04-04T09:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.64,"az":288.9,"t":"2025-04-04T09:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.76,"az":289.1,"t":"2025-04-04T09:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.16,"alt":59.87,"az":289.4,"t":"2025-04-04T09:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.17,"alt":58.99,"az":289.7,"t":"2025-04-04T09:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.18,"alt":58.11,"az":290.1,"t":"2025-04-04T09:25:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.19,"alt":57.23,"az":290.4,"t":"2025-04-04T09:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.2,"alt":56.36,"az":290.7,"t":"2025-04-04T09:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.21,"alt":55.48,"az":291.1,"t":"2025-04-04T09:40:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.23,"alt":54.61,"az":291.4,"t":"2025-04-04T09:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":53.74,"az":291.8,"t":"2025-04-04T09:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.25,"alt":52.87,"az":292.1,"t":"2025-04-04T09:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.27,"alt":52.01,"az":292.5,"t":"2025-04-04T10:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.28,"alt":51.14,"az":292.9,"t":"2025-04-04T10:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.3,"alt":50.28,"az":293.3,"t":"2025-04-04T10:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.42,"az":293.6,"t":"2025-04-04T10:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.57,"az":294.0,"t":"2025-04-04T10:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.71,"az":294.5,"t":"2025-04-04T10:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.86,"az":294.9,"t":"2025-04-04T10:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":46.01,"az":295.3,"t":"2025-04-04T10:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.41,"alt":45.17,"az":295.7,"t":"2025-04-04T10:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.43,"alt":44.33,"az":296.1,"t":"2025-04-04T10:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.45,"alt":43.49,"az":296.6,"t":"2025-04-04T10:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.47,"alt":42.65,"az":297.0,"t":"2025-04-04T10:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.5,"alt":41.82,"az":297.4,"t":"2025-04-04T11:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.52,"alt":40.99,"az":297.9,"t":"2025-04-04T11:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.55,"alt":40.17,"az":298.4,"t":"2025-04-04T11:10:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.57,"alt":39.34,"az":298.8,"t":"2025-04-04T11:15:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.53,"az":299.3,"t":"2025-04-04T11:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.63,"alt":37.71,"az":299.8,"t":"2025-04-04T11:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.66,"alt":36.9,"az":300.2,"t":"2025-04-04T11:30:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.69,"alt":36.09,"az":300.7,"t":"2025-04-04T11:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.73,"alt":35.29,"az":301.2,"t":"2025-04-04T11:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.76,"alt":34.49,"az":301.7,"t":"2025-04-04T11:45:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.8,"alt":33.7,"az":302.2,"t":"2025-04-04T11:50:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.84,"alt":32.91,"az":302.7,"t":"2025-04-04T11:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.88,"alt":32.12,"az":303.2,"t":"2025-04-04T12:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.92,"alt":31.34,"az":303.7,"t":"2025-04-04T12:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.96,"alt":30.57,"az":304.2,"t":"2025-04-04T12:10:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.01,"alt":29.8,"az":304.8,"t":"2025-04-04T12:15:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.05,"alt":29.03,"az":305.3,"t":"2025-04-04T12:20:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.1,"alt":28.27,"az":305.8,"t":"2025-04-04T12:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.16,"alt":27.51,"az":306.4,"t":"2025-04-04T12:30:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.21,"alt":26.76,"az":306.9,"t":"2025-04-04T12:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.27,"alt":26.02,"az":307.5,"t":"2025-04-04T12:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.33,"alt":25.28,"az":308.0,"t":"2025-04-04T12:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.4,"alt":24.54,"az":308.6,"t":"2025-04-04T12:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.46,"alt":23.81,"az":309.2,"t":"2025-04-04T12:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.54,"alt":23.09,"az":309.7,"t":"2025-04-04T13:00:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.61,"alt":22.37,"az":310.3,"t":"2025-04-04T13:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.69,"alt":21.66,"az":310.9,"t":"2025-04-04T13:10:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.78,"alt":20.96,"az":311.5,"t":"2025-04-04T13:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.87,"alt":20.26,"az":312.1,"t":"2025-04-04T13:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.96,"alt":19.57,"az":312.7,"t":"2025-04-04T13:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.06,"alt":18.89,"az":313.3,"t":"2025-04-04T13:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.17,"alt":18.21,"az":313.9,"t":"2025-04-04T13:35:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.29,"alt":17.54,"az":314.6,"t":"2025-04-04T13:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.41,"alt":16.87,"az":315.2,"t":"2025-04-04T13:45:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.54,"alt":16.22,"az":315.8,"t":"2025-04-04T13:50:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.68,"alt":15.57,"az":316.5,"t":"2025-04-04T13:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.83,"alt":14.93,"az":317.1,"t":"2025-04-04T14:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.99,"alt":14.3,"az":317.8,"t":"2025-04-04T14:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.16,"alt":13.67,"az":318.4,"t":"2025-04-04T14:10:00Z","terrain":0.13},{"above_terrain":true,"airmass":4.35,"alt":13.05,"az":319.1,"t":"2025-04-04T14:15:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.55,"alt":12.45,"az":319.8,"t":"2025-04-04T14:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.77,"alt":11.85,"az":320.4,"t":"2025-04-04T14:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.0,"alt":11.25,"az":321.1,"t":"2025-04-04T14:30:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.26,"alt":10.67,"az":321.8,"t":"2025-04-04T14:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":5.54,"alt":10.1,"az":322.5,"t":"2025-04-04T14:40:00Z","terrain":0.14},{"above_terrain":true,"airmass":5.84,"alt":9.53,"az":323.2,"t":"2025-04-04T14:45:00Z","terrain":0.01},{"above_terrain":true,"airmass":6.17,"alt":8.98,"az":323.9,"t":"2025-04-04T14:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":6.54,"alt":8.43,"az":324.7,"t":"2025-04-04T14:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.94,"alt":7.89,"az":325.4,"t":"2025-04-04T15:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.38,"alt":7.37,"az":326.1,"t":"2025-04-04T15:05:00Z","terrain":-0.26},{"above_terrain":true,"airmass":7.88,"alt":6.85,"az":326.8,"t":"2025-04-04T15:10:00Z","terrain":-0.37},{"above_terrain":true,"airmass":8.43,"alt":6.34,"az":327.6,"t":"2025-04-04T15:15:00Z","terrain":-0.3},{"above_terrain":true,"airmass":9.04,"alt":5.85,"az":328.3,"t":"2025-04-04T15:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":9.73,"alt":5.36,"az":329.1,"t":"2025-04-04T15:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":10.5,"alt":4.89,"az":329.9,"t":"2025-04-04T15:30:00Z","terrain":-0.32},{"above_terrain":true,"airmass":11.38,"alt":4.42,"az":330.6,"t":"2025-04-04T15:35:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.38,"alt":3.97,"az":331.4,"t":"2025-04-04T15:40:00Z","terrain":-0.29},{"above_terrain":true,"airmass":13.52,"alt":3.52,"az":332.2,"t":"2025-04-04T15:45:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.83,"alt":3.09,"az":333.0,"t":"2025-04-04T15:50:00Z","terrain":-0.12},{"above_terrain":true,"airmass":16.35,"alt":2.67,"az":333.8,"t":"2025-04-04T15:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":18.1,"alt":2.27,"az":334.6,"t":"2025-04-04T16:00:00Z","terrain":-0.43},{"above_terrain":true,"airmass":20.15,"alt":1.87,"az":335.4,"t":"2025-04-04T16:05:00Z","terrain":-0.67},{"above_terrain":true,"airmass":22.55,"alt":1.48,"az":336.2,"t":"2025-04-04T16:10:00Z","terrain":-0.81},{"above_terrain":true,"airmass":25.35,"alt":1.11,"az":337.0,"t":"2025-04-04T16:15:00Z","terrain":-0.73},{"above_terrain":true,"airmass":28.63,"alt":0.75,"az":337.8,"t":"2025-04-04T16:20:00Z","terrain":-0.52},{"above_terrain":true,"airmass":32.47,"alt":0.41,"az":338.6,"t":"2025-04-04T16:25:00Z","terrain":-0.64},{"above_terrain":true,"airmass":36.89,"alt":0.07,"az":339.5,"t":"2025-04-04T16:30:00Z","terrain":-0.65},{"above_terrain":true,"airmass":null,"alt":-0.25,"az":340.3,"t":"2025-04-04T16:35:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-0.56,"az":341.1,"t":"2025-04-04T16:40:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-0.86,"az":342.0,"t":"2025-04-04T16:45:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-1.14,"az":342.8,"t":"2025-04-04T16:50:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.41,"az":343.7,"t":"2025-04-04T16:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.67,"az":344.5,"t":"2025-04-04T17:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.91,"az":345.4,"t":"2025-04-04T17:05:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-2.14,"az":346.3,"t":"2025-04-04T17:10:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-2.35,"az":347.1,"t":"2025-04-04T17:15:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-2.56,"az":348.0,"t":"2025-04-04T17:20:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-2.74,"az":348.9,"t":"2025-04-04T17:25:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-2.92,"az":349.8,"t":"2025-04-04T17:30:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-3.08,"az":350.6,"t":"2025-04-04T17:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.22,"az":351.5,"t":"2025-04-04T17:40:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":352.4,"t":"2025-04-04T17:45:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-3.47,"az":353.3,"t":"2025-04-04T17:50:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-3.57,"az":354.2,"t":"2025-04-04T17:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":355.1,"t":"2025-04-04T18:00:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":356.0,"t":"2025-04-04T18:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.79,"az":356.9,"t":"2025-04-04T18:10:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":357.8,"t":"2025-04-04T18:15:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":358.7,"t":"2025-04-04T18:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":359.6,"t":"2025-04-04T18:25:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":0.5,"t":"2025-04-04T18:30:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":1.4,"t":"2025-04-04T18:35:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":2.3,"t":"2025-04-04T18:40:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-3.79,"az":3.1,"t":"2025-04-04T18:45:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":4.0,"t":"2025-04-04T18:50:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":4.9,"t":"2025-04-04T18:55:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-3.57,"az":5.8,"t":"2025-04-04T19:00:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-3.47,"az":6.7,"t":"2025-04-04T19:05:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":7.6,"t":"2025-04-04T19:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.22,"az":8.5,"t":"2025-04-04T19:15:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-3.07,"az":9.4,"t":"2025-04-04T19:20:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-2.91,"az":10.3,"t":"2025-04-04T19:25:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-2.74,"az":11.1,"t":"2025-04-04T19:30:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.55,"az":12.0,"t":"2025-04-04T19:35:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-2.35,"az":12.9,"t":"2025-04-04T19:40:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-2.13,"az":13.8,"t":"2025-04-04T19:45:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-1.9,"az":14.6,"t":"2025-04-04T19:50:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-1.66,"az":15.5,"t":"2025-04-04T19:55:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.4,"az":16.3,"t":"2025-04-04T20:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.13,"az":17.2,"t":"2025-04-04T20:05:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.85,"az":18.0,"t":"2025-04-04T20:10:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-0.55,"az":18.9,"t":"2025-04-04T20:15:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-0.24,"az":19.7,"t":"2025-04-04T20:20:00Z","terrain":0.66},{"above_terrain":false,"airmass":36.78,"alt":0.08,"az":20.6,"t":"2025-04-04T20:25:00Z","terrain":0.68},{"above_terrain":false,"airmass":32.37,"alt":0.41,"az":21.4,"t":"2025-04-04T20:30:00Z","terrain":0.81},{"above_terrain":false,"airmass":28.55,"alt":0.76,"az":22.2,"t":"2025-04-04T20:35:00Z","terrain":1.03},{"above_terrain":false,"airmass":25.28,"alt":1.12,"az":23.0,"t":"2025-04-04T20:40:00Z","terrain":1.15},{"above_terrain":true,"airmass":22.48,"alt":1.49,"az":23.9,"t":"2025-04-04T20:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":20.1,"alt":1.88,"az":24.7,"t":"2025-04-04T20:50:00Z","terrain":1.12},{"above_terrain":true,"airmass":18.06,"alt":2.27,"az":25.5,"t":"2025-04-04T20:55:00Z","terrain":1.28},{"above_terrain":true,"airmass":16.31,"alt":2.68,"az":26.3,"t":"2025-04-04T21:00:00Z","terrain":1.32},{"above_terrain":true,"airmass":14.8,"alt":3.1,"az":27.1,"t":"2025-04-04T21:05:00Z","terrain":1.27},{"above_terrain":true,"airmass":13.49,"alt":3.53,"az":27.8,"t":"2025-04-04T21:10:00Z","terrain":1.2},{"above_terrain":true,"airmass":12.36,"alt":3.98,"az":28.6,"t":"2025-04-04T21:15:00Z","terrain":1.07},{"above_terrain":true,"airmass":11.36,"alt":4.43,"az":29.4,"t":"2025-04-04T21:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":10.48,"alt":4.9,"az":30.2,"t":"2025-04-04T21:25:00Z","terrain":1.18},{"above_terrain":true,"airmass":9.71,"alt":5.37,"az":30.9,"t":"2025-04-04T21:30:00Z","terrain":1.3},{"above_terrain":true,"airmass":9.02,"alt":5.86,"az":31.7,"t":"2025-04-04T21:35:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.41,"alt":6.35,"az":32.4,"t":"2025-04-04T21:40:00Z","terrain":1.18},{"above_terrain":true,"airmass":7.87,"alt":6.86,"az":33.2,"t":"2025-04-04T21:45:00Z","terrain":0.89},{"above_terrain":true,"airmass":7.37,"alt":7.38,"az":33.9,"t":"2025-04-04T21:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":6.93,"alt":7.91,"az":34.6,"t":"2025-04-04T21:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":6.53,"alt":8.44,"az":35.4,"t":"2025-04-04T22:00:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.16,"alt":8.99,"az":36.1,"t":"2025-04-04T22:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.83,"alt":9.55,"az":36.8,"t":"2025-04-04T22:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":5.53,"alt":10.11,"az":37.5,"t":"2025-04-04T22:15:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.25,"alt":10.68,"az":38.2,"t":"2025-04-04T22:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.0,"alt":11.27,"az":38.9,"t":"2025-04-04T22:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.76,"alt":11.86,"az":39.6,"t":"2025-04-04T22:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":4.55,"alt":12.46,"az":40.2,"t":"2025-04-04T22:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":4.34,"alt":13.07,"az":40.9,"t":"2025-04-04T22:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":4.16,"alt":13.69,"az":41.6,"t":"2025-04-04T22:45:00Z","terrain":0.08},{"above_terrain":true,"airmass":3.99,"alt":14.31,"az":42.2,"t":"2025-04-04T22:50:00Z","terrain":0.15},{"above_terrain":true,"airmass":3.83,"alt":14.94,"az":42.9,"t":"2025-04-04T22:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.68,"alt":15.59,"az":43.5,"t":"2025-04-04T23:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.54,"alt":16.23,"az":44.2,"t":"2025-04-04T23:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.41,"alt":16.89,"az":44.8,"t":"2025-04-04T23:10:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.28,"alt":17.55,"az":45.5,"t":"2025-04-04T23:15:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.17,"alt":18.22,"az":46.1,"t":"2025-04-04T23:20:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.06,"alt":18.9,"az":46.7,"t":"2025-04-04T23:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.96,"alt":19.59,"az":47.3,"t":"2025-04-04T23:30:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.87,"alt":20.28,"az":47.9,"t":"2025-04-04T23:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.78,"alt":20.98,"az":48.5,"t":"2025-04-04T23:40:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.69,"alt":21.68,"az":49.1,"t":"2025-04-04T23:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.61,"alt":22.39,"az":49.7,"t":"2025-04-04T23:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.53,"alt":23.11,"az":50.3,"t":"2025-04-04T23:55:00Z","terrain":0.44},{"above_terrain":true,"airmass":2.46,"alt":23.83,"az":50.8,"t":"2025-04-05T00:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.4,"alt":24.56,"az":51.4,"t":"2025-04-05T00:05:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.33,"alt":25.29,"az":52.0,"t":"2025-04-05T00:10:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.27,"alt":26.03,"az":52.5,"t":"2025-04-05T00:15:00Z","terrain":0.74},{"above_terrain":true,"airmass":2.21,"alt":26.78,"az":53.1,"t":"2025-04-05T00:20:00Z","terrain":0.85},{"above_terrain":true,"airmass":2.16,"alt":27.53,"az":53.6,"t":"2025-04-05T00:25:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.1,"alt":28.29,"az":54.2,"t":"2025-04-05T00:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.05,"alt":29.05,"az":54.7,"t":"2025-04-05T00:35:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.01,"alt":29.81,"az":55.2,"t":"2025-04-05T00:40:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.96,"alt":30.59,"az":55.8,"t":"2025-04-05T00:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.92,"alt":31.36,"az":56.3,"t":"2025-04-05T00:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.87,"alt":32.14,"az":56.8,"t":"2025-04-05T00:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.84,"alt":32.93,"az":57.3,"t":"2025-04-05T01:00:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.8,"alt":33.72,"az":57.8,"t":"2025-04-05T01:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.76,"alt":34.51,"az":58.3,"t":"2025-04-05T01:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.31,"az":58.8,"t":"2025-04-05T01:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.69,"alt":36.11,"az":59.3,"t":"2025-04-05T01:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.66,"alt":36.92,"az":59.8,"t":"2025-04-05T01:25:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.63,"alt":37.73,"az":60.3,"t":"2025-04-05T01:30:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.6,"alt":38.55,"az":60.7,"t":"2025-04-05T01:35:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.57,"alt":39.36,"az":61.2,"t":"2025-04-05T01:40:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.55,"alt":40.19,"az":61.7,"t":"2025-04-05T01:45:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.52,"alt":41.01,"az":62.1,"t":"2025-04-05T01:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.5,"alt":41.84,"az":62.6,"t":"2025-04-05T01:55:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.47,"alt":42.67,"az":63.0,"t":"2025-04-05T02:00:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.45,"alt":43.51,"az":63.4,"t":"2025-04-05T02:05:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.43,"alt":44.35,"az":63.9,"t":"2025-04-05T02:10:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.41,"alt":45.19,"az":64.3,"t":"2025-04-05T02:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":46.03,"az":64.7,"t":"2025-04-05T02:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.88,"az":65.1,"t":"2025-04-05T02:25:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.73,"az":65.6,"t":"2025-04-05T02:30:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.59,"az":66.0,"t":"2025-04-05T02:35:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.31,"alt":49.44,"az":66.4,"t":"2025-04-05T02:40:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.3,"alt":50.3,"az":66.8,"t":"2025-04-05T02:45:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.28,"alt":51.16,"az":67.1,"t":"2025-04-05T02:50:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.27,"alt":52.03,"az":67.5,"t":"2025-04-05T02:55:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.25,"alt":52.89,"az":67.9,"t":"2025-04-05T03:00:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.76,"az":68.3,"t":"2025-04-05T03:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.23,"alt":54.63,"az":68.6,"t":"2025-04-05T03:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.21,"alt":55.5,"az":69.0,"t":"2025-04-05T03:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.2,"alt":56.38,"az":69.3,"t":"2025-04-05T03:20:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.19,"alt":57.25,"az":69.6,"t":"2025-04-05T03:25:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.18,"alt":58.13,"az":70.0,"t":"2025-04-05T03:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.17,"alt":59.01,"az":70.3,"t":"2025-04-05T03:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.89,"az":70.6,"t":"2025-04-05T03:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.78,"az":70.9,"t":"2025-04-05T03:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.66,"az":71.1,"t":"2025-04-05T03:50:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":62.55,"az":71.4,"t":"2025-04-05T03:55:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.44,"az":71.7,"t":"2025-04-05T04:00:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":64.33,"az":71.9,"t":"2025-04-05T04:05:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.22,"az":72.1,"t":"2025-04-05T04:10:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.09,"alt":66.11,"az":72.3,"t":"2025-04-05T04:15:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.09,"alt":67.0,"az":72.5,"t":"2025-04-05T04:20:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.08,"alt":67.89,"az":72.7,"t":"2025-04-05T04:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.07,"alt":68.79,"az":72.8,"t":"2025-04-05T04:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.07,"alt":69.68,"az":72.9,"t":"2025-04-05T04:35:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.06,"alt":70.58,"az":73.0,"t":"2025-04-05T04:40:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.05,"alt":71.47,"az":73.0,"t":"2025-04-05T04:45:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.05,"alt":72.37,"az":73.0,"t":"2025-04-05T04:50:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.04,"alt":73.26,"az":72.9,"t":"2025-04-05T04:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.04,"alt":74.16,"az":72.8,"t":"2025-04-05T05:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.03,"alt":75.05,"az":72.7,"t":"2025-04-05T05:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.03,"alt":75.94,"az":72.4,"t":"2025-04-05T05:10:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.03,"alt":76.83,"az":72.1,"t":"2025-04-05T05:15:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.02,"alt":77.72,"az":71.6,"t":"2025-04-05T05:20:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.02,"alt":78.61,"az":71.0,"t":"2025-04-05T05:25:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":79.49,"az":70.2,"t":"2025-04-05T05:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.01,"alt":80.37,"az":69.2,"t":"2025-04-05T05:35:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.01,"alt":81.24,"az":68.0,"t":"2025-04-05T05:40:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.01,"alt":82.1,"az":66.3,"t":"2025-04-05T05:45:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.01,"alt":82.95,"az":64.2,"t":"2025-04-05T05:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.79,"az":61.3,"t":"2025-04-05T05:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.0,"alt":84.59,"az":57.5,"t":"2025-04-05T06:00:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.0,"alt":85.36,"az":52.2,"t":"2025-04-05T06:05:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.0,"alt":86.06,"az":44.7,"t":"2025-04-05T06:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.0,"alt":86.66,"az":34.1,"t":"2025-04-05T06:15:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.0,"alt":87.09,"az":19.7,"t":"2025-04-05T06:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.0,"alt":87.26,"az":1.8,"t":"2025-04-05T06:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.0,"alt":87.14,"az":343.5,"t":"2025-04-05T06:30:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.0,"alt":86.76,"az":328.3,"t":"2025-04-05T06:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.0,"alt":86.18,"az":317.0,"t":"2025-04-05T06:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.0,"alt":85.5,"az":309.1,"t":"2025-04-05T06:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.0,"alt":84.74,"az":303.4,"t":"2025-04-05T06:50:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.01,"alt":83.94,"az":299.3,"t":"2025-04-05T06:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":83.11,"az":296.3,"t":"2025-04-05T07:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.01,"alt":82.27,"az":294.0,"t":"2025-04-05T07:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.01,"alt":81.41,"az":292.3,"t":"2025-04-05T07:10:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.01,"alt":80.54,"az":291.0,"t":"2025-04-05T07:15:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.02,"alt":79.66,"az":289.9,"t":"2025-04-05T07:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.02,"alt":78.78,"az":289.1,"t":"2025-04-05T07:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.02,"alt":77.89,"az":288.5,"t":"2025-04-05T07:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":77.0,"az":288.0,"t":"2025-04-05T07:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.11,"az":287.6,"t":"2025-04-05T07:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.03,"alt":75.22,"az":287.4,"t":"2025-04-05T07:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.04,"alt":74.32,"az":287.2,"t":"2025-04-05T07:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.04,"alt":73.43,"az":287.1,"t":"2025-04-05T07:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.05,"alt":72.54,"az":287.0,"t":"2025-04-05T08:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.05,"alt":71.64,"az":287.0,"t":"2025-04-05T08:05:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.06,"alt":70.75,"az":287.0,"t":"2025-04-05T08:10:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.06,"alt":69.85,"az":287.1,"t":"2025-04-05T08:15:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":68.96,"az":287.2,"t":"2025-04-05T08:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.08,"alt":68.06,"az":287.3,"t":"2025-04-05T08:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.08,"alt":67.17,"az":287.5,"t":"2025-04-05T08:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.09,"alt":66.28,"az":287.7,"t":"2025-04-05T08:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.1,"alt":65.39,"az":287.8,"t":"2025-04-05T08:40:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.11,"alt":64.49,"az":288.1,"t":"2025-04-05T08:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.61,"az":288.3,"t":"2025-04-05T08:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.72,"az":288.5,"t":"2025-04-05T08:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.13,"alt":61.83,"az":288.8,"t":"2025-04-05T09:00:00Z","terrain":0.18}],"transit":{"airmass":1.0,"alt":87.3,"az":1.8,"t":"2025-04-05T06:25:00Z"},"usable_hours":2.83,"verdict":"marginal","zenith_passage":true},"warnings":[]}