{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-08-31","schedule":[{"end":"2026-08-31T18:00Z","end_local":"21:00","hours":1.08,"mean_quality":0.0,"start":"2026-08-31T16:55Z","start_local":"19:55","target":null},{"end":"2026-08-31T19:25Z","end_local":"22:25","hours":1.42,"mean_quality":0.61,"start":"2026-08-31T18:00Z","start_local":"21:00","target":"NGC 7000"},{"end":"2026-08-31T20:50Z","end_local":"23:50","hours":1.42,"mean_quality":0.67,"start":"2026-08-31T19:25Z","start_local":"22:25","target":"V1057 Cyg"},{"end":"2026-08-31T22:15Z","end_local":"01:15","hours":1.42,"mean_quality":0.45,"start":"2026-08-31T20:50Z","start_local":"23:50","target":"M31"},{"end":"2026-08-31T23:40Z","end_local":"02:40","hours":1.42,"mean_quality":0.4,"start":"2026-08-31T22:15Z","start_local":"01:15","target":"M33"},{"end":"2026-09-01T01:05Z","end_local":"04:05","hours":1.42,"mean_quality":0.37,"start":"2026-08-31T23:40Z","start_local":"02:40","target":"M45"},{"end":"2026-09-01T01:50Z","end_local":"04:50","hours":0.75,"mean_quality":0.48,"start":"2026-09-01T01:05Z","start_local":"04:05","target":"NGC 7000"},{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":0.33,"mean_quality":0.33,"start":"2026-09-01T01:50Z","start_local":"04:50","target":"M42"},{"end":"2026-09-01T03:50Z","end_local":"06:50","hours":1.67,"mean_quality":0.0,"start":"2026-09-01T02:10Z","start_local":"05:10","target":null}],"targets":[{"best_window":{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":7.58,"label":"marginal","mean_quality":0.42,"start":"2026-08-31T18:35Z","start_local":"21:35"},"dec":41.26875,"moon_separation":29.2,"name":"M31","quality_hours":3.5,"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":44,"score_astronomy":44,"score_weather":99,"transit":{"airmass":1.0,"alt":89.7,"az":199.1,"t":"2026-09-01T00:25Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-08-31T17:50Z","end_local":"20:50","hours":0.92,"label":"unusable","mean_quality":0.0,"start":"2026-08-31T16:55Z","start_local":"19:55"},{"end":"2026-08-31T18:35Z","end_local":"21:35","hours":0.75,"label":"poor","mean_quality":0.2,"start":"2026-08-31T17:50Z","start_local":"20:50"},{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":7.58,"label":"marginal","mean_quality":0.42,"start":"2026-08-31T18:35Z","start_local":"21:35"},{"end":"2026-09-01T03:20Z","end_local":"06:20","hours":1.17,"label":"poor","mean_quality":0.12,"start":"2026-09-01T02:10Z","start_local":"05:10"},{"end":"2026-09-01T03:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-09-01T03:20Z","start_local":"06:20"}]},{"best_window":{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":0.33,"label":"marginal","mean_quality":0.33,"start":"2026-09-01T01:50Z","start_local":"04:50"},"dec":-5.3876,"moon_separation":65.1,"name":"M42","quality_hours":0.36,"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":3,"score_astronomy":3,"score_weather":100,"transit":{"airmass":1.47,"alt":42.9,"az":179.6,"t":"2026-09-01T05:15Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-09-01T01:30Z","end_local":"04:30","hours":8.58,"label":"unusable","mean_quality":0.0,"start":"2026-08-31T16:55Z","start_local":"19:55"},{"end":"2026-09-01T01:50Z","end_local":"04:50","hours":0.33,"label":"poor","mean_quality":0.26,"start":"2026-09-01T01:30Z","start_local":"04:30"},{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":0.33,"label":"marginal","mean_quality":0.33,"start":"2026-09-01T01:50Z","start_local":"04:50"},{"end":"2026-09-01T03:20Z","end_local":"06:20","hours":1.17,"label":"poor","mean_quality":0.14,"start":"2026-09-01T02:10Z","start_local":"05:10"},{"end":"2026-09-01T03:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-09-01T03:20Z","start_local":"06:20"}]},{"best_window":{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":3.58,"label":"marginal","mean_quality":0.37,"start":"2026-08-31T22:35Z","start_local":"01:35"},"dec":24.11388889,"moon_separation":35.2,"name":"M45","quality_hours":1.63,"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":16,"score_astronomy":16,"score_weather":100,"transit":{"airmass":1.05,"alt":72.5,"az":181.7,"t":"2026-09-01T03:30Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-08-31T21:55Z","end_local":"00:55","hours":5.0,"label":"unusable","mean_quality":0.0,"start":"2026-08-31T16:55Z","start_local":"19:55"},{"end":"2026-08-31T22:35Z","end_local":"01:35","hours":0.67,"label":"poor","mean_quality":0.25,"start":"2026-08-31T21:55Z","start_local":"00:55"},{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":3.58,"label":"marginal","mean_quality":0.37,"start":"2026-08-31T22:35Z","start_local":"01:35"},{"end":"2026-09-01T03:20Z","end_local":"06:20","hours":1.17,"label":"poor","mean_quality":0.13,"start":"2026-09-01T02:10Z","start_local":"05:10"},{"end":"2026-09-01T03:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-09-01T03:20Z","start_local":"06:20"}]},{"best_window":{"end":"2026-08-31T22:05Z","end_local":"01:05","hours":3.5,"label":"good","mean_quality":0.67,"start":"2026-08-31T18:35Z","start_local":"21:35"},"dec":44.33,"moon_separation":63.8,"name":"NGC 7000","quality_hours":5.01,"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":74,"score_astronomy":75,"score_weather":99,"transit":{"airmass":1.0,"alt":87.3,"az":2.4,"t":"2026-08-31T20:40Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-31T17:25Z","end_local":"20:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-31T16:55Z","start_local":"19:55"},{"end":"2026-08-31T18:00Z","end_local":"21:00","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-08-31T17:25Z","start_local":"20:25"},{"end":"2026-08-31T18:35Z","end_local":"21:35","hours":0.58,"label":"marginal","mean_quality":0.45,"start":"2026-08-31T18:00Z","start_local":"21:00"},{"end":"2026-08-31T22:05Z","end_local":"01:05","hours":3.5,"label":"good","mean_quality":0.67,"start":"2026-08-31T18:35Z","start_local":"21:35"},{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":4.08,"label":"marginal","mean_quality":0.53,"start":"2026-08-31T22:05Z","start_local":"01:05"},{"end":"2026-09-01T03:20Z","end_local":"06:20","hours":1.17,"label":"poor","mean_quality":0.13,"start":"2026-09-01T02:10Z","start_local":"05:10"},{"end":"2026-09-01T03:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-09-01T03:20Z","start_local":"06:20"}]},{"best_window":{"end":"2026-08-31T22:05Z","end_local":"01:05","hours":3.5,"label":"good","mean_quality":0.67,"start":"2026-08-31T18:35Z","start_local":"21:35"},"dec":44.25788576,"moon_separation":63.7,"name":"V1057 Cyg","quality_hours":5.01,"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":74,"score_astronomy":75,"score_weather":99,"transit":{"airmass":1.0,"alt":87.3,"az":2.9,"t":"2026-08-31T20:40Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-31T17:25Z","end_local":"20:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-31T16:55Z","start_local":"19:55"},{"end":"2026-08-31T18:00Z","end_local":"21:00","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-08-31T17:25Z","start_local":"20:25"},{"end":"2026-08-31T18:35Z","end_local":"21:35","hours":0.58,"label":"marginal","mean_quality":0.45,"start":"2026-08-31T18:00Z","start_local":"21:00"},{"end":"2026-08-31T22:05Z","end_local":"01:05","hours":3.5,"label":"good","mean_quality":0.67,"start":"2026-08-31T18:35Z","start_local":"21:35"},{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":4.08,"label":"marginal","mean_quality":0.53,"start":"2026-08-31T22:05Z","start_local":"01:05"},{"end":"2026-09-01T03:20Z","end_local":"06:20","hours":1.17,"label":"poor","mean_quality":0.13,"start":"2026-09-01T02:10Z","start_local":"05:10"},{"end":"2026-09-01T03:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-09-01T03:20Z","start_local":"06:20"}]},{"best_window":{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":6.5,"label":"marginal","mean_quality":0.39,"start":"2026-08-31T19:40Z","start_local":"22:40"},"dec":30.66017511,"moon_separation":17.3,"name":"M33","quality_hours":2.75,"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":30,"score_astronomy":30,"score_weather":99,"transit":{"airmass":1.02,"alt":79.1,"az":179.4,"t":"2026-09-01T01:15Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-08-31T19:20Z","end_local":"22:20","hours":2.42,"label":"unusable","mean_quality":0.0,"start":"2026-08-31T16:55Z","start_local":"19:55"},{"end":"2026-08-31T19:40Z","end_local":"22:40","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2026-08-31T19:20Z","start_local":"22:20"},{"end":"2026-09-01T02:10Z","end_local":"05:10","hours":6.5,"label":"marginal","mean_quality":0.39,"start":"2026-08-31T19:40Z","start_local":"22:40"},{"end":"2026-09-01T03:20Z","end_local":"06:20","hours":1.17,"label":"poor","mean_quality":0.12,"start":"2026-09-01T02:10Z","start_local":"05:10"},{"end":"2026-09-01T03:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-09-01T03:20Z","start_local":"06:20"}]}],"unscheduled":[],"warnings":[]}
