{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-07-18","schedule":[{"end":"2025-07-18T19:10Z","end_local":"22:10","hours":1.33,"mean_quality":0.0,"start":"2025-07-18T17:50Z","start_local":"20:50","target":null},{"end":"2025-07-18T20:25Z","end_local":"23:25","hours":1.25,"mean_quality":0.63,"start":"2025-07-18T19:10Z","start_local":"22:10","target":"NGC 7000"},{"end":"2025-07-18T21:40Z","end_local":"00:40","hours":1.25,"mean_quality":0.93,"start":"2025-07-18T20:25Z","start_local":"23:25","target":"V1057 Cyg"},{"end":"2025-07-18T22:55Z","end_local":"01:55","hours":1.25,"mean_quality":0.71,"start":"2025-07-18T21:40Z","start_local":"00:40","target":"M31"},{"end":"2025-07-19T00:10Z","end_local":"03:10","hours":1.25,"mean_quality":0.63,"start":"2025-07-18T22:55Z","start_local":"01:55","target":"M33"},{"end":"2025-07-19T00:50Z","end_local":"03:50","hours":0.67,"mean_quality":0.82,"start":"2025-07-19T00:10Z","start_local":"03:10","target":"NGC 7000"},{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":0.17,"mean_quality":0.34,"start":"2025-07-19T00:50Z","start_local":"03:50","target":"M45"},{"end":"2025-07-19T01:05Z","end_local":"04:05","hours":0.08,"mean_quality":0.55,"start":"2025-07-19T01:00Z","start_local":"04:00","target":"NGC 7000"},{"end":"2025-07-19T03:05Z","end_local":"06:05","hours":2.0,"mean_quality":0.0,"start":"2025-07-19T01:05Z","start_local":"04:05","target":null}],"targets":[{"best_window":{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":3.67,"label":"good","mean_quality":0.71,"start":"2025-07-18T21:20Z","start_local":"00:20"},"dec":41.26875,"moon_separation":31.1,"name":"M31","quality_hours":3.17,"ra":10.68470833,"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},"score":64,"score_astronomy":70,"score_weather":92,"transit":{"airmass":1.0,"alt":89.6,"az":135.7,"t":"2025-07-19T03:15Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2025-07-18T20:40Z","end_local":"23:40","hours":2.83,"label":"unusable","mean_quality":0.0,"start":"2025-07-18T17:50Z","start_local":"20:50"},{"end":"2025-07-18T21:20Z","end_local":"00:20","hours":0.67,"label":"marginal","mean_quality":0.49,"start":"2025-07-18T20:40Z","start_local":"23:40"},{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":3.67,"label":"good","mean_quality":0.71,"start":"2025-07-18T21:20Z","start_local":"00:20"},{"end":"2025-07-19T01:05Z","end_local":"04:05","hours":0.08,"label":"marginal","mean_quality":0.5,"start":"2025-07-19T01:00Z","start_local":"04:00"},{"end":"2025-07-19T02:35Z","end_local":"05:35","hours":1.5,"label":"poor","mean_quality":0.14,"start":"2025-07-19T01:05Z","start_local":"04:05"},{"end":"2025-07-19T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-07-19T02:35Z","start_local":"05:35"}]},{"best_window":null,"dec":-5.3876,"moon_separation":53.6,"name":"M42","quality_hours":0.0,"ra":83.8201,"resolved":{"common_name":"Great Orion Nebula","dec":-5.3876,"name":"M 42","ra":83.8201,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M42","source":"sesame","type":"HII","type_text":"HII region \u2014 a star-forming nebula"},"score":0,"score_astronomy":0,"score_weather":0,"transit":{"airmass":1.47,"alt":42.9,"az":180.7,"t":"2025-07-19T08:10Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2025-07-19T03:05Z","end_local":"06:05","hours":9.25,"label":"unusable","mean_quality":0.0,"start":"2025-07-18T17:50Z","start_local":"20:50"}]},{"best_window":{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":0.17,"label":"marginal","mean_quality":0.34,"start":"2025-07-19T00:50Z","start_local":"03:50"},"dec":24.11388889,"moon_separation":21.1,"name":"M45","quality_hours":0.25,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":3,"score_astronomy":4,"score_weather":66,"transit":{"airmass":1.05,"alt":72.5,"az":180.2,"t":"2025-07-19T06:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-07-19T00:45Z","end_local":"03:45","hours":6.92,"label":"unusable","mean_quality":0.0,"start":"2025-07-18T17:50Z","start_local":"20:50"},{"end":"2025-07-19T00:50Z","end_local":"03:50","hours":0.08,"label":"poor","mean_quality":0.3,"start":"2025-07-19T00:45Z","start_local":"03:45"},{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":0.17,"label":"marginal","mean_quality":0.34,"start":"2025-07-19T00:50Z","start_local":"03:50"},{"end":"2025-07-19T02:35Z","end_local":"05:35","hours":1.58,"label":"poor","mean_quality":0.11,"start":"2025-07-19T01:00Z","start_local":"04:00"},{"end":"2025-07-19T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-07-19T02:35Z","start_local":"05:35"}]},{"best_window":{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":5.08,"label":"good","mean_quality":0.88,"start":"2025-07-18T19:55Z","start_local":"22:55"},"dec":44.33,"moon_separation":70.6,"name":"NGC 7000","quality_hours":5.17,"ra":314.69583333,"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"},"score":93,"score_astronomy":100,"score_weather":93,"transit":{"airmass":1.0,"alt":87.2,"az":351.2,"t":"2025-07-18T23:35Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2025-07-18T18:25Z","end_local":"21:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-07-18T17:50Z","start_local":"20:50"},{"end":"2025-07-18T19:10Z","end_local":"22:10","hours":0.75,"label":"poor","mean_quality":0.13,"start":"2025-07-18T18:25Z","start_local":"21:25"},{"end":"2025-07-18T19:55Z","end_local":"22:55","hours":0.75,"label":"marginal","mean_quality":0.44,"start":"2025-07-18T19:10Z","start_local":"22:10"},{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":5.08,"label":"good","mean_quality":0.88,"start":"2025-07-18T19:55Z","start_local":"22:55"},{"end":"2025-07-19T01:05Z","end_local":"04:05","hours":0.08,"label":"marginal","mean_quality":0.55,"start":"2025-07-19T01:00Z","start_local":"04:00"},{"end":"2025-07-19T02:35Z","end_local":"05:35","hours":1.5,"label":"poor","mean_quality":0.16,"start":"2025-07-19T01:05Z","start_local":"04:05"},{"end":"2025-07-19T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-07-19T02:35Z","start_local":"05:35"}]},{"best_window":{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":5.08,"label":"good","mean_quality":0.88,"start":"2025-07-18T19:55Z","start_local":"22:55"},"dec":44.25788576,"moon_separation":70.6,"name":"V1057 Cyg","quality_hours":5.17,"ra":314.72388973,"resolved":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33},"score":93,"score_astronomy":100,"score_weather":93,"transit":{"airmass":1.0,"alt":87.3,"az":351.4,"t":"2025-07-18T23:35Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2025-07-18T18:25Z","end_local":"21:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-07-18T17:50Z","start_local":"20:50"},{"end":"2025-07-18T19:10Z","end_local":"22:10","hours":0.75,"label":"poor","mean_quality":0.13,"start":"2025-07-18T18:25Z","start_local":"21:25"},{"end":"2025-07-18T19:55Z","end_local":"22:55","hours":0.75,"label":"marginal","mean_quality":0.44,"start":"2025-07-18T19:10Z","start_local":"22:10"},{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":5.08,"label":"good","mean_quality":0.88,"start":"2025-07-18T19:55Z","start_local":"22:55"},{"end":"2025-07-19T01:05Z","end_local":"04:05","hours":0.08,"label":"marginal","mean_quality":0.55,"start":"2025-07-19T01:00Z","start_local":"04:00"},{"end":"2025-07-19T02:35Z","end_local":"05:35","hours":1.5,"label":"poor","mean_quality":0.16,"start":"2025-07-19T01:05Z","start_local":"04:05"},{"end":"2025-07-19T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-07-19T02:35Z","start_local":"05:35"}]},{"best_window":{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":1.92,"label":"good","mean_quality":0.65,"start":"2025-07-18T23:05Z","start_local":"02:05"},"dec":30.66017511,"moon_separation":16.4,"name":"M33","quality_hours":1.92,"ra":23.46206906,"resolved":{"common_name":"Triangulum Pinwheel","dec":30.66017511,"morphology":"SA(s)cd","name":"M 33","ra":23.46206906,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M33","source":"sesame","type":"GiG","type_text":"galaxy in a group","vmag":5.72},"score":34,"score_astronomy":38,"score_weather":90,"transit":{"airmass":1.02,"alt":79.1,"az":177.2,"t":"2025-07-19T04:05Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-07-18T22:10Z","end_local":"01:10","hours":4.33,"label":"unusable","mean_quality":0.0,"start":"2025-07-18T17:50Z","start_local":"20:50"},{"end":"2025-07-18T23:05Z","end_local":"02:05","hours":0.92,"label":"marginal","mean_quality":0.47,"start":"2025-07-18T22:10Z","start_local":"01:10"},{"end":"2025-07-19T01:00Z","end_local":"04:00","hours":1.92,"label":"good","mean_quality":0.65,"start":"2025-07-18T23:05Z","start_local":"02:05"},{"end":"2025-07-19T01:05Z","end_local":"04:05","hours":0.08,"label":"marginal","mean_quality":0.46,"start":"2025-07-19T01:00Z","start_local":"04:00"},{"end":"2025-07-19T02:35Z","end_local":"05:35","hours":1.5,"label":"poor","mean_quality":0.13,"start":"2025-07-19T01:05Z","start_local":"04:05"},{"end":"2025-07-19T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-07-19T02:35Z","start_local":"05:35"}]}],"unscheduled":[{"name":"M42","why":"The target stays below 20\u00b0 for the whole night."}],"warnings":[]}