{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-08-09","schedule":[{"end":"2026-08-09T18:40Z","end_local":"21:40","hours":1.25,"mean_quality":0.0,"start":"2026-08-09T17:25Z","start_local":"20:25","target":null},{"end":"2026-08-09T20:15Z","end_local":"23:15","hours":1.58,"mean_quality":0.7,"start":"2026-08-09T18:40Z","start_local":"21:40","target":"NGC 7000"},{"end":"2026-08-09T21:50Z","end_local":"00:50","hours":1.58,"mean_quality":0.91,"start":"2026-08-09T20:15Z","start_local":"23:15","target":"V1057 Cyg"},{"end":"2026-08-09T23:25Z","end_local":"02:25","hours":1.58,"mean_quality":0.9,"start":"2026-08-09T21:50Z","start_local":"00:50","target":"M31"},{"end":"2026-08-10T01:00Z","end_local":"04:00","hours":1.58,"mean_quality":0.94,"start":"2026-08-09T23:25Z","start_local":"02:25","target":"M33"},{"end":"2026-08-10T02:20Z","end_local":"05:20","hours":1.33,"mean_quality":0.64,"start":"2026-08-10T01:00Z","start_local":"04:00","target":"M45"},{"end":"2026-08-10T03:25Z","end_local":"06:25","hours":1.08,"mean_quality":0.0,"start":"2026-08-10T02:20Z","start_local":"05:20","target":null}],"targets":[{"best_window":{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":5.67,"label":"good","mean_quality":0.88,"start":"2026-08-09T20:00Z","start_local":"23:00"},"dec":41.26875,"moon_separation":72.0,"name":"M31","quality_hours":5.73,"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":95,"score_astronomy":100,"score_weather":95,"transit":{"airmass":1.0,"alt":89.7,"az":146.4,"t":"2026-08-10T01:50Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-09T19:15Z","end_local":"22:15","hours":1.83,"label":"unusable","mean_quality":0.0,"start":"2026-08-09T17:25Z","start_local":"20:25"},{"end":"2026-08-09T19:20Z","end_local":"22:20","hours":0.08,"label":"poor","mean_quality":0.19,"start":"2026-08-09T19:15Z","start_local":"22:15"},{"end":"2026-08-09T20:00Z","end_local":"23:00","hours":0.67,"label":"marginal","mean_quality":0.5,"start":"2026-08-09T19:20Z","start_local":"22:20"},{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":5.67,"label":"good","mean_quality":0.88,"start":"2026-08-09T20:00Z","start_local":"23:00"},{"end":"2026-08-10T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.48,"start":"2026-08-10T01:40Z","start_local":"04:40"},{"end":"2026-08-10T02:55Z","end_local":"05:55","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2026-08-10T02:20Z","start_local":"05:20"},{"end":"2026-08-10T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-10T02:55Z","start_local":"05:55"}]},{"best_window":null,"dec":-5.3876,"moon_separation":36.2,"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":180.8,"t":"2026-08-10T06:45Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-08-10T03:25Z","end_local":"06:25","hours":10.0,"label":"unusable","mean_quality":0.0,"start":"2026-08-09T17:25Z","start_local":"20:25"}]},{"best_window":{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":1.75,"label":"good","mean_quality":0.79,"start":"2026-08-09T23:55Z","start_local":"02:55"},"dec":24.11388889,"moon_separation":39.1,"name":"M45","quality_hours":2.05,"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":44,"score_astronomy":44,"score_weather":99,"transit":{"airmass":1.05,"alt":72.5,"az":180.6,"t":"2026-08-10T04:55Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-08-09T23:20Z","end_local":"02:20","hours":5.92,"label":"unusable","mean_quality":0.0,"start":"2026-08-09T17:25Z","start_local":"20:25"},{"end":"2026-08-09T23:55Z","end_local":"02:55","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2026-08-09T23:20Z","start_local":"02:20"},{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":1.75,"label":"good","mean_quality":0.79,"start":"2026-08-09T23:55Z","start_local":"02:55"},{"end":"2026-08-10T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.44,"start":"2026-08-10T01:40Z","start_local":"04:40"},{"end":"2026-08-10T02:55Z","end_local":"05:55","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2026-08-10T02:20Z","start_local":"05:20"},{"end":"2026-08-10T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-10T02:55Z","start_local":"05:55"}]},{"best_window":{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":6.33,"label":"good","mean_quality":0.94,"start":"2026-08-09T19:20Z","start_local":"22:20"},"dec":44.33,"moon_separation":101.8,"name":"NGC 7000","quality_hours":6.66,"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":94,"score_astronomy":100,"score_weather":94,"transit":{"airmass":1.0,"alt":87.2,"az":7.9,"t":"2026-08-09T22:05Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-09T18:00Z","end_local":"21:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-08-09T17:25Z","start_local":"20:25"},{"end":"2026-08-09T18:40Z","end_local":"21:40","hours":0.67,"label":"poor","mean_quality":0.12,"start":"2026-08-09T18:00Z","start_local":"21:00"},{"end":"2026-08-09T19:20Z","end_local":"22:20","hours":0.67,"label":"marginal","mean_quality":0.43,"start":"2026-08-09T18:40Z","start_local":"21:40"},{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":6.33,"label":"good","mean_quality":0.94,"start":"2026-08-09T19:20Z","start_local":"22:20"},{"end":"2026-08-10T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.45,"start":"2026-08-10T01:40Z","start_local":"04:40"},{"end":"2026-08-10T02:55Z","end_local":"05:55","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2026-08-10T02:20Z","start_local":"05:20"},{"end":"2026-08-10T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-10T02:55Z","start_local":"05:55"}]},{"best_window":{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":6.33,"label":"good","mean_quality":0.94,"start":"2026-08-09T19:20Z","start_local":"22:20"},"dec":44.25788576,"moon_separation":101.8,"name":"V1057 Cyg","quality_hours":6.66,"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":94,"score_astronomy":100,"score_weather":94,"transit":{"airmass":1.0,"alt":87.3,"az":8.6,"t":"2026-08-09T22:05Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-09T18:00Z","end_local":"21:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-08-09T17:25Z","start_local":"20:25"},{"end":"2026-08-09T18:40Z","end_local":"21:40","hours":0.67,"label":"poor","mean_quality":0.12,"start":"2026-08-09T18:00Z","start_local":"21:00"},{"end":"2026-08-09T19:20Z","end_local":"22:20","hours":0.67,"label":"marginal","mean_quality":0.43,"start":"2026-08-09T18:40Z","start_local":"21:40"},{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":6.33,"label":"good","mean_quality":0.94,"start":"2026-08-09T19:20Z","start_local":"22:20"},{"end":"2026-08-10T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.45,"start":"2026-08-10T01:40Z","start_local":"04:40"},{"end":"2026-08-10T02:55Z","end_local":"05:55","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2026-08-10T02:20Z","start_local":"05:20"},{"end":"2026-08-10T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-10T02:55Z","start_local":"05:55"}]},{"best_window":{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":4.33,"label":"good","mean_quality":0.87,"start":"2026-08-09T21:20Z","start_local":"00:20"},"dec":30.66017511,"moon_separation":65.8,"name":"M33","quality_hours":4.44,"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":94,"score_astronomy":98,"score_weather":96,"transit":{"airmass":1.02,"alt":79.1,"az":177.7,"t":"2026-08-10T02:40Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-09T20:45Z","end_local":"23:45","hours":3.33,"label":"unusable","mean_quality":0.0,"start":"2026-08-09T17:25Z","start_local":"20:25"},{"end":"2026-08-09T21:20Z","end_local":"00:20","hours":0.58,"label":"marginal","mean_quality":0.47,"start":"2026-08-09T20:45Z","start_local":"23:45"},{"end":"2026-08-10T01:40Z","end_local":"04:40","hours":4.33,"label":"good","mean_quality":0.87,"start":"2026-08-09T21:20Z","start_local":"00:20"},{"end":"2026-08-10T02:20Z","end_local":"05:20","hours":0.67,"label":"marginal","mean_quality":0.48,"start":"2026-08-10T01:40Z","start_local":"04:40"},{"end":"2026-08-10T02:55Z","end_local":"05:55","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2026-08-10T02:20Z","start_local":"05:20"},{"end":"2026-08-10T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-10T02:55Z","start_local":"05:55"}]}],"unscheduled":[{"name":"M42","why":"The target stays below 20\u00b0 for the whole night."}],"warnings":[]}