{"assessment":{"best_window":{"end":"2040-09-18T02:35Z","end_local":"05:35","hours":8.17,"label":"good","mean_quality":0.77,"start":"2040-09-17T18:25Z","start_local":"21:25"},"cost":{"altitude":0.36,"clouds":0.0,"darkness":1.69,"moon":1.85},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":24,"cloud":null,"high":null,"iso":"2040-09-17T17:00Z","label":"poor","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.06,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2040-09-17T18:00Z","label":"poor","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.29,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2040-09-17T19:00Z","label":"good","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.62,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":54,"cloud":null,"high":null,"iso":"2040-09-17T20:00Z","label":"good","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.67,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":65,"cloud":null,"high":null,"iso":"2040-09-17T21:00Z","label":"good","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.71,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":76,"cloud":null,"high":null,"iso":"2040-09-17T22:00Z","label":"good","low":null,"mid":null,"moon_alt":21,"precip":null,"q":0.72,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":87,"cloud":null,"high":null,"iso":"2040-09-17T23:00Z","label":"good","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.74,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":82,"cloud":null,"high":null,"iso":"2040-09-18T00:00Z","label":"good","low":null,"mid":null,"moon_alt":6,"precip":null,"q":0.77,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":71,"cloud":null,"high":null,"iso":"2040-09-18T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":60,"cloud":null,"high":null,"iso":"2040-09-18T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2040-09-18T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-23,"precip":null,"q":0.46,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":38,"cloud":null,"high":null,"iso":"2040-09-18T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-34,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":7.01,"reasons":["moonlight cost 1.8 quality-hours","daylight and twilight cost 1.7 quality-hours","the target being low or below 20\u00b0 cost 0.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":7.01,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2040-09-17T16:55Z","end_local":"19:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2040-09-17T16:25Z","start_local":"19:25"},{"end":"2040-09-17T18:05Z","end_local":"21:05","hours":1.17,"label":"poor","mean_quality":0.18,"start":"2040-09-17T16:55Z","start_local":"19:55"},{"end":"2040-09-17T18:25Z","end_local":"21:25","hours":0.33,"label":"marginal","mean_quality":0.59,"start":"2040-09-17T18:05Z","start_local":"21:05"},{"end":"2040-09-18T02:35Z","end_local":"05:35","hours":8.17,"label":"good","mean_quality":0.77,"start":"2040-09-17T18:25Z","start_local":"21:25"},{"end":"2040-09-18T03:05Z","end_local":"06:05","hours":0.5,"label":"marginal","mean_quality":0.47,"start":"2040-09-18T02:35Z","start_local":"05:35"},{"end":"2040-09-18T03:40Z","end_local":"06:40","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2040-09-18T03:05Z","start_local":"06:05"},{"end":"2040-09-18T04:05Z","end_local":"07:05","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2040-09-18T03:40Z","start_local":"06:40"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2040-09-17T18:00:10Z","dark_hours":8.51,"dark_to":"2040-09-18T02:30:41Z","moon":{"illumination":0.89,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":1.83,"moonrise":"2040-09-17T15:08:56Z","moonset":"2040-09-18T00:39:18Z","sunrise":"2040-09-18T04:04:45Z","sunset":"2040-09-17T16:26:14Z","twilight":{"astronomical":{"end":"2040-09-17T18:00:10Z","start":"2040-09-18T02:30:41Z"},"civil":{"end":"2040-09-17T16:54:01Z","start":"2040-09-18T03:36:55Z"},"nautical":{"end":"2040-09-17T17:26:41Z","start":"2040-09-18T03:04:12Z"}},"window_end":"2040-09-18T09:00:00Z","window_start":"2040-09-17T09:00:00Z"},"night_date":"2040-09-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":89.7,"t":"2040-09-17T23:15:00Z"},"dec":41.26875,"dec_of_date":41.4913,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":8.5,"limit_rise":"2040-09-17T16:36:28Z","limit_set":"2040-09-18T05:55:33Z","max_az_rate_deg_per_min":23.76,"moon_separation":76.9,"never_rises":false,"ra":10.68470833,"ra_of_date":11.2444,"ra_str":"00h 42m 44.3s","resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"summary":"8.5 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2040-09-18T08:43:51Z","blocked_dark_hours":0,"clears_at":"2040-09-17T14:01:35Z","rise_az":30.0},"track":[{"above_terrain":false,"airmass":null,"alt":-1.13,"az":334.8,"t":"2040-09-17T09:00:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-1.53,"az":335.7,"t":"2040-09-17T09:05:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-1.91,"az":336.5,"t":"2040-09-17T09:10:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-2.27,"az":337.4,"t":"2040-09-17T09:15:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-2.62,"az":338.3,"t":"2040-09-17T09:20:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-2.96,"az":339.2,"t":"2040-09-17T09:25:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-3.29,"az":340.0,"t":"2040-09-17T09:30:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-3.6,"az":340.9,"t":"2040-09-17T09:35:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-3.9,"az":341.8,"t":"2040-09-17T09:40:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-4.19,"az":342.7,"t":"2040-09-17T09:45:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-4.46,"az":343.6,"t":"2040-09-17T09:50:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.72,"az":344.5,"t":"2040-09-17T09:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.96,"az":345.4,"t":"2040-09-17T10:00:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-5.19,"az":346.3,"t":"2040-09-17T10:05:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-5.4,"az":347.3,"t":"2040-09-17T10:10:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-5.6,"az":348.2,"t":"2040-09-17T10:15:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-5.78,"az":349.1,"t":"2040-09-17T10:20:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-5.95,"az":350.0,"t":"2040-09-17T10:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.11,"az":351.0,"t":"2040-09-17T10:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.25,"az":351.9,"t":"2040-09-17T10:35:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-6.37,"az":352.8,"t":"2040-09-17T10:40:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-6.48,"az":353.8,"t":"2040-09-17T10:45:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-6.57,"az":354.7,"t":"2040-09-17T10:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":355.7,"t":"2040-09-17T10:55:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":356.6,"t":"2040-09-17T11:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.76,"az":357.5,"t":"2040-09-17T11:05:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":358.5,"t":"2040-09-17T11:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":359.4,"t":"2040-09-17T11:15:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":0.4,"t":"2040-09-17T11:20:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":1.3,"t":"2040-09-17T11:25:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-6.77,"az":2.3,"t":"2040-09-17T11:30:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":3.2,"t":"2040-09-17T11:35:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":4.2,"t":"2040-09-17T11:40:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-6.59,"az":5.1,"t":"2040-09-17T11:45:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-6.5,"az":6.0,"t":"2040-09-17T11:50:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-6.39,"az":7.0,"t":"2040-09-17T11:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.27,"az":7.9,"t":"2040-09-17T12:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.14,"az":8.9,"t":"2040-09-17T12:05:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-5.98,"az":9.8,"t":"2040-09-17T12:10:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-5.82,"az":10.7,"t":"2040-09-17T12:15:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-5.64,"az":11.6,"t":"2040-09-17T12:20:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-5.44,"az":12.6,"t":"2040-09-17T12:25:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-5.23,"az":13.5,"t":"2040-09-17T12:30:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-5.0,"az":14.4,"t":"2040-09-17T12:35:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-4.76,"az":15.3,"t":"2040-09-17T12:40:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-4.51,"az":16.2,"t":"2040-09-17T12:45:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-4.24,"az":17.1,"t":"2040-09-17T12:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-3.96,"az":18.0,"t":"2040-09-17T12:55:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":18.9,"t":"2040-09-17T13:00:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":19.8,"t":"2040-09-17T13:05:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-3.03,"az":20.7,"t":"2040-09-17T13:10:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-2.69,"az":21.6,"t":"2040-09-17T13:15:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-2.34,"az":22.4,"t":"2040-09-17T13:20:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.98,"az":23.3,"t":"2040-09-17T13:25:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-1.6,"az":24.2,"t":"2040-09-17T13:30:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-1.21,"az":25.0,"t":"2040-09-17T13:35:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-0.81,"az":25.9,"t":"2040-09-17T13:40:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.4,"az":26.7,"t":"2040-09-17T13:45:00Z","terrain":1.3},{"above_terrain":false,"airmass":37.46,"alt":0.03,"az":27.5,"t":"2040-09-17T13:50:00Z","terrain":1.23},{"above_terrain":false,"airmass":31.7,"alt":0.47,"az":28.4,"t":"2040-09-17T13:55:00Z","terrain":1.12},{"above_terrain":false,"airmass":27.03,"alt":0.92,"az":29.2,"t":"2040-09-17T14:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":23.26,"alt":1.38,"az":30.0,"t":"2040-09-17T14:05:00Z","terrain":1.15},{"above_terrain":true,"airmass":20.23,"alt":1.86,"az":30.8,"t":"2040-09-17T14:10:00Z","terrain":1.28},{"above_terrain":true,"airmass":17.75,"alt":2.34,"az":31.6,"t":"2040-09-17T14:15:00Z","terrain":1.32},{"above_terrain":true,"airmass":15.72,"alt":2.84,"az":32.4,"t":"2040-09-17T14:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":14.04,"alt":3.34,"az":33.2,"t":"2040-09-17T14:25:00Z","terrain":0.87},{"above_terrain":true,"airmass":12.63,"alt":3.86,"az":34.0,"t":"2040-09-17T14:30:00Z","terrain":0.43},{"above_terrain":true,"airmass":11.44,"alt":4.39,"az":34.8,"t":"2040-09-17T14:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":10.43,"alt":4.93,"az":35.5,"t":"2040-09-17T14:40:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.55,"alt":5.48,"az":36.3,"t":"2040-09-17T14:45:00Z","terrain":-0.01},{"above_terrain":true,"airmass":8.79,"alt":6.04,"az":37.1,"t":"2040-09-17T14:50:00Z","terrain":-0.1},{"above_terrain":true,"airmass":8.13,"alt":6.61,"az":37.8,"t":"2040-09-17T14:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.55,"alt":7.19,"az":38.6,"t":"2040-09-17T15:00:00Z","terrain":-0.18},{"above_terrain":true,"airmass":7.04,"alt":7.77,"az":39.3,"t":"2040-09-17T15:05:00Z","terrain":-0.13},{"above_terrain":true,"airmass":6.58,"alt":8.37,"az":40.0,"t":"2040-09-17T15:10:00Z","terrain":-0.05},{"above_terrain":true,"airmass":6.17,"alt":8.98,"az":40.8,"t":"2040-09-17T15:15:00Z","terrain":0.0},{"above_terrain":true,"airmass":5.81,"alt":9.59,"az":41.5,"t":"2040-09-17T15:20:00Z","terrain":0.07},{"above_terrain":true,"airmass":5.48,"alt":10.22,"az":42.2,"t":"2040-09-17T15:25:00Z","terrain":0.14},{"above_terrain":true,"airmass":5.18,"alt":10.85,"az":42.9,"t":"2040-09-17T15:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":4.9,"alt":11.49,"az":43.6,"t":"2040-09-17T15:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":4.66,"alt":12.14,"az":44.3,"t":"2040-09-17T15:40:00Z","terrain":0.46},{"above_terrain":true,"airmass":4.43,"alt":12.8,"az":45.0,"t":"2040-09-17T15:45:00Z","terrain":0.57},{"above_terrain":true,"airmass":4.22,"alt":13.46,"az":45.7,"t":"2040-09-17T15:50:00Z","terrain":0.64},{"above_terrain":true,"airmass":4.03,"alt":14.14,"az":46.3,"t":"2040-09-17T15:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.86,"alt":14.82,"az":47.0,"t":"2040-09-17T16:00:00Z","terrain":0.61},{"above_terrain":true,"airmass":3.69,"alt":15.51,"az":47.7,"t":"2040-09-17T16:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":3.54,"alt":16.2,"az":48.3,"t":"2040-09-17T16:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.4,"alt":16.9,"az":49.0,"t":"2040-09-17T16:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.27,"alt":17.61,"az":49.6,"t":"2040-09-17T16:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.15,"alt":18.33,"az":50.2,"t":"2040-09-17T16:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.04,"alt":19.05,"az":50.9,"t":"2040-09-17T16:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.93,"alt":19.78,"az":51.5,"t":"2040-09-17T16:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.83,"alt":20.52,"az":52.1,"t":"2040-09-17T16:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.74,"alt":21.26,"az":52.7,"t":"2040-09-17T16:45:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.65,"alt":22.01,"az":53.3,"t":"2040-09-17T16:50:00Z","terrain":0.9},{"above_terrain":true,"airmass":2.57,"alt":22.76,"az":54.0,"t":"2040-09-17T16:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.49,"alt":23.52,"az":54.6,"t":"2040-09-17T17:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.42,"alt":24.29,"az":55.1,"t":"2040-09-17T17:05:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.35,"alt":25.06,"az":55.7,"t":"2040-09-17T17:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.29,"alt":25.83,"az":56.3,"t":"2040-09-17T17:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.22,"alt":26.61,"az":56.9,"t":"2040-09-17T17:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.17,"alt":27.4,"az":57.5,"t":"2040-09-17T17:25:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.11,"alt":28.19,"az":58.1,"t":"2040-09-17T17:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.06,"alt":28.99,"az":58.6,"t":"2040-09-17T17:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.01,"alt":29.79,"az":59.2,"t":"2040-09-17T17:40:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.96,"alt":30.6,"az":59.7,"t":"2040-09-17T17:45:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.91,"alt":31.41,"az":60.3,"t":"2040-09-17T17:50:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.87,"alt":32.22,"az":60.8,"t":"2040-09-17T17:55:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.83,"alt":33.04,"az":61.4,"t":"2040-09-17T18:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.79,"alt":33.87,"az":61.9,"t":"2040-09-17T18:05:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.75,"alt":34.69,"az":62.5,"t":"2040-09-17T18:10:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.72,"alt":35.53,"az":63.0,"t":"2040-09-17T18:15:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.68,"alt":36.36,"az":63.5,"t":"2040-09-17T18:20:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.65,"alt":37.2,"az":64.0,"t":"2040-09-17T18:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.62,"alt":38.04,"az":64.6,"t":"2040-09-17T18:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.59,"alt":38.89,"az":65.1,"t":"2040-09-17T18:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.56,"alt":39.74,"az":65.6,"t":"2040-09-17T18:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.53,"alt":40.6,"az":66.1,"t":"2040-09-17T18:45:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.51,"alt":41.45,"az":66.6,"t":"2040-09-17T18:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.48,"alt":42.31,"az":67.1,"t":"2040-09-17T18:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.46,"alt":43.18,"az":67.6,"t":"2040-09-17T19:00:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.44,"alt":44.04,"az":68.1,"t":"2040-09-17T19:05:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.41,"alt":44.91,"az":68.6,"t":"2040-09-17T19:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.39,"alt":45.79,"az":69.1,"t":"2040-09-17T19:15:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.37,"alt":46.66,"az":69.6,"t":"2040-09-17T19:20:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.35,"alt":47.54,"az":70.1,"t":"2040-09-17T19:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.34,"alt":48.42,"az":70.6,"t":"2040-09-17T19:30:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.32,"alt":49.31,"az":71.0,"t":"2040-09-17T19:35:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.3,"alt":50.19,"az":71.5,"t":"2040-09-17T19:40:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.28,"alt":51.08,"az":72.0,"t":"2040-09-17T19:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.27,"alt":51.97,"az":72.5,"t":"2040-09-17T19:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.25,"alt":52.87,"az":72.9,"t":"2040-09-17T19:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.24,"alt":53.76,"az":73.4,"t":"2040-09-17T20:00:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.22,"alt":54.66,"az":73.9,"t":"2040-09-17T20:05:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.21,"alt":55.56,"az":74.3,"t":"2040-09-17T20:10:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.2,"alt":56.46,"az":74.8,"t":"2040-09-17T20:15:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.19,"alt":57.37,"az":75.3,"t":"2040-09-17T20:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.17,"alt":58.27,"az":75.7,"t":"2040-09-17T20:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.16,"alt":59.18,"az":76.2,"t":"2040-09-17T20:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.15,"alt":60.09,"az":76.7,"t":"2040-09-17T20:35:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.14,"alt":61.0,"az":77.1,"t":"2040-09-17T20:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.13,"alt":61.92,"az":77.6,"t":"2040-09-17T20:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.12,"alt":62.83,"az":78.0,"t":"2040-09-17T20:50:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.11,"alt":63.75,"az":78.5,"t":"2040-09-17T20:55:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.11,"alt":64.67,"az":78.9,"t":"2040-09-17T21:00:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.1,"alt":65.59,"az":79.4,"t":"2040-09-17T21:05:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.09,"alt":66.51,"az":79.8,"t":"2040-09-17T21:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.08,"alt":67.43,"az":80.3,"t":"2040-09-17T21:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.08,"alt":68.35,"az":80.7,"t":"2040-09-17T21:20:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.07,"alt":69.28,"az":81.2,"t":"2040-09-17T21:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.06,"alt":70.2,"az":81.7,"t":"2040-09-17T21:30:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.06,"alt":71.13,"az":82.1,"t":"2040-09-17T21:35:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.05,"alt":72.06,"az":82.6,"t":"2040-09-17T21:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.05,"alt":72.98,"az":83.0,"t":"2040-09-17T21:45:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.04,"alt":73.91,"az":83.5,"t":"2040-09-17T21:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.04,"alt":74.84,"az":84.0,"t":"2040-09-17T21:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.03,"alt":75.77,"az":84.4,"t":"2040-09-17T22:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.03,"alt":76.71,"az":84.9,"t":"2040-09-17T22:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.02,"alt":77.64,"az":85.4,"t":"2040-09-17T22:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.02,"alt":78.57,"az":85.9,"t":"2040-09-17T22:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":79.51,"az":86.4,"t":"2040-09-17T22:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.01,"alt":80.44,"az":86.9,"t":"2040-09-17T22:25:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.01,"alt":81.38,"az":87.5,"t":"2040-09-17T22:30:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.01,"alt":82.31,"az":88.1,"t":"2040-09-17T22:35:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.01,"alt":83.25,"az":88.7,"t":"2040-09-17T22:40:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.0,"alt":84.18,"az":89.4,"t":"2040-09-17T22:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":85.12,"az":90.2,"t":"2040-09-17T22:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":86.05,"az":91.2,"t":"2040-09-17T22:55:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.0,"alt":86.99,"az":92.5,"t":"2040-09-17T23:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.0,"alt":87.92,"az":94.7,"t":"2040-09-17T23:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.0,"alt":88.85,"az":99.6,"t":"2040-09-17T23:10:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.0,"alt":89.72,"az":136.4,"t":"2040-09-17T23:15:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.0,"alt":89.23,"az":255.2,"t":"2040-09-17T23:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.0,"alt":88.3,"az":263.9,"t":"2040-09-17T23:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.0,"alt":87.37,"az":266.8,"t":"2040-09-17T23:30:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.0,"alt":86.44,"az":268.3,"t":"2040-09-17T23:35:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.0,"alt":85.5,"az":269.4,"t":"2040-09-17T23:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.0,"alt":84.57,"az":270.3,"t":"2040-09-17T23:45:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.01,"alt":83.63,"az":271.0,"t":"2040-09-17T23:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":82.69,"az":271.7,"t":"2040-09-17T23:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.01,"alt":81.76,"az":272.3,"t":"2040-09-18T00:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.01,"alt":80.82,"az":272.8,"t":"2040-09-18T00:05:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.02,"alt":79.89,"az":273.4,"t":"2040-09-18T00:10:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.02,"alt":78.95,"az":273.9,"t":"2040-09-18T00:15:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.02,"alt":78.02,"az":274.4,"t":"2040-09-18T00:20:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.03,"alt":77.09,"az":274.9,"t":"2040-09-18T00:25:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.03,"alt":76.16,"az":275.4,"t":"2040-09-18T00:30:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.03,"alt":75.22,"az":275.8,"t":"2040-09-18T00:35:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.04,"alt":74.29,"az":276.3,"t":"2040-09-18T00:40:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.04,"alt":73.36,"az":276.8,"t":"2040-09-18T00:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.05,"alt":72.43,"az":277.2,"t":"2040-09-18T00:50:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.05,"alt":71.51,"az":277.7,"t":"2040-09-18T00:55:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.58,"az":278.2,"t":"2040-09-18T01:00:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.07,"alt":69.65,"az":278.6,"t":"2040-09-18T01:05:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.07,"alt":68.73,"az":279.1,"t":"2040-09-18T01:10:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.08,"alt":67.81,"az":279.5,"t":"2040-09-18T01:15:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.09,"alt":66.88,"az":280.0,"t":"2040-09-18T01:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.09,"alt":65.96,"az":280.4,"t":"2040-09-18T01:25:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.1,"alt":65.04,"az":280.9,"t":"2040-09-18T01:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.11,"alt":64.12,"az":281.3,"t":"2040-09-18T01:35:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.12,"alt":63.21,"az":281.8,"t":"2040-09-18T01:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.13,"alt":62.29,"az":282.2,"t":"2040-09-18T01:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.14,"alt":61.38,"az":282.7,"t":"2040-09-18T01:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.15,"alt":60.46,"az":283.2,"t":"2040-09-18T01:55:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.16,"alt":59.55,"az":283.6,"t":"2040-09-18T02:00:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.17,"alt":58.65,"az":284.1,"t":"2040-09-18T02:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.18,"alt":57.74,"az":284.5,"t":"2040-09-18T02:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.19,"alt":56.83,"az":285.0,"t":"2040-09-18T02:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.93,"az":285.5,"t":"2040-09-18T02:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.22,"alt":55.03,"az":285.9,"t":"2040-09-18T02:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.23,"alt":54.13,"az":286.4,"t":"2040-09-18T02:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.25,"alt":53.23,"az":286.9,"t":"2040-09-18T02:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.26,"alt":52.34,"az":287.3,"t":"2040-09-18T02:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.28,"alt":51.45,"az":287.8,"t":"2040-09-18T02:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.29,"alt":50.56,"az":288.3,"t":"2040-09-18T02:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.31,"alt":49.67,"az":288.8,"t":"2040-09-18T02:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.33,"alt":48.78,"az":289.2,"t":"2040-09-18T03:00:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.35,"alt":47.9,"az":289.7,"t":"2040-09-18T03:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.37,"alt":47.02,"az":290.2,"t":"2040-09-18T03:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.39,"alt":46.15,"az":290.7,"t":"2040-09-18T03:15:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.41,"alt":45.27,"az":291.2,"t":"2040-09-18T03:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.43,"alt":44.4,"az":291.7,"t":"2040-09-18T03:25:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.45,"alt":43.53,"az":292.2,"t":"2040-09-18T03:30:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.47,"alt":42.67,"az":292.7,"t":"2040-09-18T03:35:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.5,"alt":41.81,"az":293.2,"t":"2040-09-18T03:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.52,"alt":40.95,"az":293.7,"t":"2040-09-18T03:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.55,"alt":40.09,"az":294.2,"t":"2040-09-18T03:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.58,"alt":39.24,"az":294.7,"t":"2040-09-18T03:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.61,"alt":38.39,"az":295.2,"t":"2040-09-18T04:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.64,"alt":37.55,"az":295.7,"t":"2040-09-18T04:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.67,"alt":36.7,"az":296.3,"t":"2040-09-18T04:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.7,"alt":35.87,"az":296.8,"t":"2040-09-18T04:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.74,"alt":35.03,"az":297.3,"t":"2040-09-18T04:20:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.78,"alt":34.2,"az":297.9,"t":"2040-09-18T04:25:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.81,"alt":33.38,"az":298.4,"t":"2040-09-18T04:30:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.85,"alt":32.56,"az":298.9,"t":"2040-09-18T04:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.9,"alt":31.74,"az":299.5,"t":"2040-09-18T04:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.94,"alt":30.93,"az":300.0,"t":"2040-09-18T04:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.99,"alt":30.12,"az":300.6,"t":"2040-09-18T04:50:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.04,"alt":29.32,"az":301.2,"t":"2040-09-18T04:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.09,"alt":28.52,"az":301.7,"t":"2040-09-18T05:00:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.14,"alt":27.72,"az":302.3,"t":"2040-09-18T05:05:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.2,"alt":26.94,"az":302.9,"t":"2040-09-18T05:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.26,"alt":26.15,"az":303.4,"t":"2040-09-18T05:15:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.32,"alt":25.37,"az":304.0,"t":"2040-09-18T05:20:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.39,"alt":24.6,"az":304.6,"t":"2040-09-18T05:25:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.46,"alt":23.83,"az":305.2,"t":"2040-09-18T05:30:00Z","terrain":-0.27},{"above_terrain":true,"airmass":2.54,"alt":23.07,"az":305.8,"t":"2040-09-18T05:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.62,"alt":22.31,"az":306.4,"t":"2040-09-18T05:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.7,"alt":21.56,"az":307.0,"t":"2040-09-18T05:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.8,"alt":20.82,"az":307.6,"t":"2040-09-18T05:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.89,"alt":20.08,"az":308.2,"t":"2040-09-18T05:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":3.0,"alt":19.35,"az":308.9,"t":"2040-09-18T06:00:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.11,"alt":18.62,"az":309.5,"t":"2040-09-18T06:05:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.22,"alt":17.91,"az":310.1,"t":"2040-09-18T06:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.35,"alt":17.19,"az":310.8,"t":"2040-09-18T06:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.49,"alt":16.49,"az":311.4,"t":"2040-09-18T06:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.63,"alt":15.79,"az":312.1,"t":"2040-09-18T06:25:00Z","terrain":0.15},{"above_terrain":true,"airmass":3.79,"alt":15.1,"az":312.7,"t":"2040-09-18T06:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.96,"alt":14.41,"az":313.4,"t":"2040-09-18T06:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":4.14,"alt":13.74,"az":314.1,"t":"2040-09-18T06:40:00Z","terrain":0.48},{"above_terrain":true,"airmass":4.34,"alt":13.07,"az":314.8,"t":"2040-09-18T06:45:00Z","terrain":0.54},{"above_terrain":true,"airmass":4.56,"alt":12.41,"az":315.4,"t":"2040-09-18T06:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":4.8,"alt":11.76,"az":316.1,"t":"2040-09-18T06:55:00Z","terrain":0.46},{"above_terrain":true,"airmass":5.06,"alt":11.11,"az":316.8,"t":"2040-09-18T07:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.35,"alt":10.48,"az":317.5,"t":"2040-09-18T07:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.67,"alt":9.85,"az":318.2,"t":"2040-09-18T07:10:00Z","terrain":0.22},{"above_terrain":true,"airmass":6.02,"alt":9.23,"az":318.9,"t":"2040-09-18T07:15:00Z","terrain":-0.12},{"above_terrain":true,"airmass":6.41,"alt":8.62,"az":319.7,"t":"2040-09-18T07:20:00Z","terrain":-0.18},{"above_terrain":true,"airmass":6.84,"alt":8.02,"az":320.4,"t":"2040-09-18T07:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.33,"alt":7.43,"az":321.1,"t":"2040-09-18T07:30:00Z","terrain":-0.14},{"above_terrain":true,"airmass":7.88,"alt":6.84,"az":321.9,"t":"2040-09-18T07:35:00Z","terrain":0.16},{"above_terrain":true,"airmass":8.51,"alt":6.27,"az":322.6,"t":"2040-09-18T07:40:00Z","terrain":0.13},{"above_terrain":true,"airmass":9.23,"alt":5.71,"az":323.4,"t":"2040-09-18T07:45:00Z","terrain":-0.03},{"above_terrain":true,"airmass":10.05,"alt":5.15,"az":324.1,"t":"2040-09-18T07:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":11.01,"alt":4.61,"az":324.9,"t":"2040-09-18T07:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":12.12,"alt":4.08,"az":325.7,"t":"2040-09-18T08:00:00Z","terrain":-0.22},{"above_terrain":true,"airmass":13.44,"alt":3.56,"az":326.5,"t":"2040-09-18T08:05:00Z","terrain":-0.31},{"above_terrain":true,"airmass":15.0,"alt":3.04,"az":327.3,"t":"2040-09-18T08:10:00Z","terrain":-0.35},{"above_terrain":true,"airmass":16.88,"alt":2.54,"az":328.1,"t":"2040-09-18T08:15:00Z","terrain":-0.22},{"above_terrain":true,"airmass":19.15,"alt":2.05,"az":328.9,"t":"2040-09-18T08:20:00Z","terrain":-0.14},{"above_terrain":true,"airmass":21.94,"alt":1.57,"az":329.7,"t":"2040-09-18T08:25:00Z","terrain":-0.28},{"above_terrain":true,"airmass":25.39,"alt":1.11,"az":330.5,"t":"2040-09-18T08:30:00Z","terrain":-0.37},{"above_terrain":true,"airmass":29.67,"alt":0.65,"az":331.3,"t":"2040-09-18T08:35:00Z","terrain":-0.32},{"above_terrain":true,"airmass":34.97,"alt":0.21,"az":332.1,"t":"2040-09-18T08:40:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-0.22,"az":333.0,"t":"2040-09-18T08:45:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-0.64,"az":333.8,"t":"2040-09-18T08:50:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-1.05,"az":334.6,"t":"2040-09-18T08:55:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-1.44,"az":335.5,"t":"2040-09-18T09:00:00Z","terrain":-0.71}],"transit":{"airmass":1.0,"alt":89.7,"az":136.4,"t":"2040-09-17T23:15:00Z"},"usable_hours":8.5,"verdict":"good","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."]}