{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-07-29","schedule":[{"end":"2026-07-29T19:00Z","end_local":"22:00","hours":1.33,"mean_quality":0.0,"start":"2026-07-29T17:40Z","start_local":"20:40","target":null},{"end":"2026-07-29T20:25Z","end_local":"23:25","hours":1.42,"mean_quality":0.48,"start":"2026-07-29T19:00Z","start_local":"22:00","target":"NGC 7000"},{"end":"2026-07-29T21:50Z","end_local":"00:50","hours":1.42,"mean_quality":0.61,"start":"2026-07-29T20:25Z","start_local":"23:25","target":"V1057 Cyg"},{"end":"2026-07-29T23:15Z","end_local":"02:15","hours":1.42,"mean_quality":0.61,"start":"2026-07-29T21:50Z","start_local":"00:50","target":"M31"},{"end":"2026-07-30T00:40Z","end_local":"03:40","hours":1.42,"mean_quality":0.64,"start":"2026-07-29T23:15Z","start_local":"02:15","target":"M33"},{"end":"2026-07-30T02:05Z","end_local":"05:05","hours":1.42,"mean_quality":0.5,"start":"2026-07-30T00:40Z","start_local":"03:40","target":"M45"},{"end":"2026-07-30T03:15Z","end_local":"06:15","hours":1.17,"mean_quality":0.0,"start":"2026-07-30T02:05Z","start_local":"05:05","target":null}],"targets":[{"best_window":{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":3.0,"label":"good","mean_quality":0.66,"start":"2026-07-29T22:20Z","start_local":"01:20"},"dec":41.26875,"moon_separation":80.4,"name":"M31","quality_hours":3.52,"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":62,"score_astronomy":62,"score_weather":100,"transit":{"airmass":1.0,"alt":89.7,"az":207.3,"t":"2026-07-30T02:35Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-07-29T20:00Z","end_local":"23:00","hours":2.33,"label":"unusable","mean_quality":0.0,"start":"2026-07-29T17:40Z","start_local":"20:40"},{"end":"2026-07-29T22:20Z","end_local":"01:20","hours":2.33,"label":"marginal","mean_quality":0.51,"start":"2026-07-29T20:00Z","start_local":"23:00"},{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":3.0,"label":"good","mean_quality":0.66,"start":"2026-07-29T22:20Z","start_local":"01:20"},{"end":"2026-07-30T02:05Z","end_local":"05:05","hours":0.75,"label":"marginal","mean_quality":0.36,"start":"2026-07-30T01:20Z","start_local":"04:20"},{"end":"2026-07-30T02:45Z","end_local":"05:45","hours":0.67,"label":"poor","mean_quality":0.11,"start":"2026-07-30T02:05Z","start_local":"05:05"},{"end":"2026-07-30T03:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-07-30T02:45Z","start_local":"05:45"}]},{"best_window":null,"dec":-5.3876,"moon_separation":125.3,"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":179.7,"t":"2026-07-30T07:25Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-07-30T03:15Z","end_local":"06:15","hours":9.58,"label":"unusable","mean_quality":0.0,"start":"2026-07-29T17:40Z","start_local":"20:40"}]},{"best_window":{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":0.5,"label":"good","mean_quality":0.67,"start":"2026-07-30T00:50Z","start_local":"03:50"},"dec":24.11388889,"moon_separation":109.3,"name":"M45","quality_hours":1.04,"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":18,"score_astronomy":18,"score_weather":100,"transit":{"airmass":1.05,"alt":72.5,"az":181.9,"t":"2026-07-30T05:40Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-07-30T00:05Z","end_local":"03:05","hours":6.42,"label":"unusable","mean_quality":0.0,"start":"2026-07-29T17:40Z","start_local":"20:40"},{"end":"2026-07-30T00:50Z","end_local":"03:50","hours":0.75,"label":"marginal","mean_quality":0.47,"start":"2026-07-30T00:05Z","start_local":"03:05"},{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":0.5,"label":"good","mean_quality":0.67,"start":"2026-07-30T00:50Z","start_local":"03:50"},{"end":"2026-07-30T02:05Z","end_local":"05:05","hours":0.75,"label":"marginal","mean_quality":0.36,"start":"2026-07-30T01:20Z","start_local":"04:20"},{"end":"2026-07-30T02:45Z","end_local":"05:45","hours":0.67,"label":"poor","mean_quality":0.12,"start":"2026-07-30T02:05Z","start_local":"05:05"},{"end":"2026-07-30T03:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-07-30T02:45Z","start_local":"05:45"}]},{"best_window":{"end":"2026-07-29T21:25Z","end_local":"00:25","hours":1.75,"label":"good","mean_quality":0.62,"start":"2026-07-29T19:40Z","start_local":"22:40"},"dec":44.33,"moon_separation":63.6,"name":"NGC 7000","quality_hours":4.01,"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":63,"score_astronomy":63,"score_weather":100,"transit":{"airmass":1.0,"alt":87.3,"az":1.4,"t":"2026-07-29T22:50Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-07-29T18:15Z","end_local":"21:15","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-07-29T17:40Z","start_local":"20:40"},{"end":"2026-07-29T19:00Z","end_local":"22:00","hours":0.75,"label":"poor","mean_quality":0.11,"start":"2026-07-29T18:15Z","start_local":"21:15"},{"end":"2026-07-29T19:40Z","end_local":"22:40","hours":0.67,"label":"marginal","mean_quality":0.31,"start":"2026-07-29T19:00Z","start_local":"22:00"},{"end":"2026-07-29T21:25Z","end_local":"00:25","hours":1.75,"label":"good","mean_quality":0.62,"start":"2026-07-29T19:40Z","start_local":"22:40"},{"end":"2026-07-30T00:15Z","end_local":"03:15","hours":2.83,"label":"marginal","mean_quality":0.59,"start":"2026-07-29T21:25Z","start_local":"00:25"},{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":1.08,"label":"good","mean_quality":0.61,"start":"2026-07-30T00:15Z","start_local":"03:15"},{"end":"2026-07-30T02:05Z","end_local":"05:05","hours":0.75,"label":"marginal","mean_quality":0.32,"start":"2026-07-30T01:20Z","start_local":"04:20"},{"end":"2026-07-30T02:45Z","end_local":"05:45","hours":0.67,"label":"poor","mean_quality":0.09,"start":"2026-07-30T02:05Z","start_local":"05:05"},{"end":"2026-07-30T03:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-07-30T02:45Z","start_local":"05:45"}]},{"best_window":{"end":"2026-07-29T21:25Z","end_local":"00:25","hours":1.75,"label":"good","mean_quality":0.62,"start":"2026-07-29T19:40Z","start_local":"22:40"},"dec":44.25788576,"moon_separation":63.5,"name":"V1057 Cyg","quality_hours":4.01,"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":63,"score_astronomy":63,"score_weather":100,"transit":{"airmass":1.0,"alt":87.3,"az":1.9,"t":"2026-07-29T22:50Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-07-29T18:15Z","end_local":"21:15","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-07-29T17:40Z","start_local":"20:40"},{"end":"2026-07-29T19:00Z","end_local":"22:00","hours":0.75,"label":"poor","mean_quality":0.11,"start":"2026-07-29T18:15Z","start_local":"21:15"},{"end":"2026-07-29T19:40Z","end_local":"22:40","hours":0.67,"label":"marginal","mean_quality":0.31,"start":"2026-07-29T19:00Z","start_local":"22:00"},{"end":"2026-07-29T21:25Z","end_local":"00:25","hours":1.75,"label":"good","mean_quality":0.62,"start":"2026-07-29T19:40Z","start_local":"22:40"},{"end":"2026-07-30T00:20Z","end_local":"03:20","hours":2.92,"label":"marginal","mean_quality":0.59,"start":"2026-07-29T21:25Z","start_local":"00:25"},{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":1.0,"label":"good","mean_quality":0.61,"start":"2026-07-30T00:20Z","start_local":"03:20"},{"end":"2026-07-30T02:05Z","end_local":"05:05","hours":0.75,"label":"marginal","mean_quality":0.32,"start":"2026-07-30T01:20Z","start_local":"04:20"},{"end":"2026-07-30T02:45Z","end_local":"05:45","hours":0.67,"label":"poor","mean_quality":0.09,"start":"2026-07-30T02:05Z","start_local":"05:05"},{"end":"2026-07-30T03:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-07-30T02:45Z","start_local":"05:45"}]},{"best_window":{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":2.0,"label":"good","mean_quality":0.66,"start":"2026-07-29T23:20Z","start_local":"02:20"},"dec":30.66017511,"moon_separation":83.8,"name":"M33","quality_hours":2.58,"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":47,"score_astronomy":47,"score_weather":100,"transit":{"airmass":1.02,"alt":79.1,"az":179.7,"t":"2026-07-30T03:25Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-07-29T21:30Z","end_local":"00:30","hours":3.83,"label":"unusable","mean_quality":0.0,"start":"2026-07-29T17:40Z","start_local":"20:40"},{"end":"2026-07-29T21:35Z","end_local":"00:35","hours":0.08,"label":"poor","mean_quality":0.3,"start":"2026-07-29T21:30Z","start_local":"00:30"},{"end":"2026-07-29T23:20Z","end_local":"02:20","hours":1.75,"label":"marginal","mean_quality":0.51,"start":"2026-07-29T21:35Z","start_local":"00:35"},{"end":"2026-07-30T01:20Z","end_local":"04:20","hours":2.0,"label":"good","mean_quality":0.66,"start":"2026-07-29T23:20Z","start_local":"02:20"},{"end":"2026-07-30T02:05Z","end_local":"05:05","hours":0.75,"label":"marginal","mean_quality":0.37,"start":"2026-07-30T01:20Z","start_local":"04:20"},{"end":"2026-07-30T02:45Z","end_local":"05:45","hours":0.67,"label":"poor","mean_quality":0.11,"start":"2026-07-30T02:05Z","start_local":"05:05"},{"end":"2026-07-30T03:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-07-30T02:45Z","start_local":"05:45"}]}],"unscheduled":[{"name":"M42","why":"The target stays below 20\u00b0 for the whole night."}],"warnings":[]}