{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-23","schedule":[{"end":"2026-06-23T22:00Z","end_local":"01:00","hours":4.08,"mean_quality":0.0,"start":"2026-06-23T17:55Z","start_local":"20:55","target":null},{"end":"2026-06-23T22:55Z","end_local":"01:55","hours":0.92,"mean_quality":0.81,"start":"2026-06-23T22:00Z","start_local":"01:00","target":"V1057 Cyg"},{"end":"2026-06-23T23:50Z","end_local":"02:50","hours":0.92,"mean_quality":0.98,"start":"2026-06-23T22:55Z","start_local":"01:55","target":"NGC 7000"},{"end":"2026-06-24T01:30Z","end_local":"04:30","hours":1.67,"mean_quality":0.47,"start":"2026-06-23T23:50Z","start_local":"02:50","target":"M31"},{"end":"2026-06-24T02:50Z","end_local":"05:50","hours":1.33,"mean_quality":0.0,"start":"2026-06-24T01:30Z","start_local":"04:30","target":null}],"targets":[{"best_window":{"end":"2026-06-24T00:00Z","end_local":"03:00","hours":1.0,"label":"good","mean_quality":0.77,"start":"2026-06-23T23:00Z","start_local":"02:00"},"dec":41.26875,"moon_separation":150.7,"name":"M31","quality_hours":1.79,"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":39,"score_astronomy":48,"score_weather":82,"transit":{"airmass":1.0,"alt":89.7,"az":152.5,"t":"2026-06-24T04:55Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-23T22:20Z","end_local":"01:20","hours":4.42,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T17:55Z","start_local":"20:55"},{"end":"2026-06-23T23:00Z","end_local":"02:00","hours":0.67,"label":"marginal","mean_quality":0.44,"start":"2026-06-23T22:20Z","start_local":"01:20"},{"end":"2026-06-24T00:00Z","end_local":"03:00","hours":1.0,"label":"good","mean_quality":0.77,"start":"2026-06-23T23:00Z","start_local":"02:00"},{"end":"2026-06-24T01:30Z","end_local":"04:30","hours":1.5,"label":"marginal","mean_quality":0.43,"start":"2026-06-24T00:00Z","start_local":"03:00"},{"end":"2026-06-24T02:15Z","end_local":"05:15","hours":0.75,"label":"poor","mean_quality":0.1,"start":"2026-06-24T01:30Z","start_local":"04:30"},{"end":"2026-06-24T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-24T02:15Z","start_local":"05:15"}]},{"best_window":null,"dec":-5.3876,"moon_separation":116.0,"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":179.6,"t":"2026-06-23T09:50Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-24T02:50Z","end_local":"05:50","hours":8.92,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T17:55Z","start_local":"20:55"}]},{"best_window":null,"dec":24.11388889,"moon_separation":146.1,"name":"M45","quality_hours":0.0,"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":0,"score_astronomy":0,"score_weather":0,"transit":{"airmass":1.05,"alt":72.5,"az":180.7,"t":"2026-06-24T08:00Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-24T02:50Z","end_local":"05:50","hours":8.92,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T17:55Z","start_local":"20:55"}]},{"best_window":{"end":"2026-06-24T00:40Z","end_local":"03:40","hours":2.67,"label":"good","mean_quality":0.85,"start":"2026-06-23T22:00Z","start_local":"01:00"},"dec":44.33,"moon_separation":115.5,"name":"NGC 7000","quality_hours":2.93,"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":59,"score_astronomy":100,"score_weather":59,"transit":{"airmass":1.0,"alt":87.2,"az":7.2,"t":"2026-06-24T01:10Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-06-23T18:35Z","end_local":"21:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T17:55Z","start_local":"20:55"},{"end":"2026-06-23T21:00Z","end_local":"00:00","hours":2.42,"label":"poor","mean_quality":0.13,"start":"2026-06-23T18:35Z","start_local":"21:35"},{"end":"2026-06-23T22:00Z","end_local":"01:00","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T21:00Z","start_local":"00:00"},{"end":"2026-06-24T00:40Z","end_local":"03:40","hours":2.67,"label":"good","mean_quality":0.85,"start":"2026-06-23T22:00Z","start_local":"01:00"},{"end":"2026-06-24T01:30Z","end_local":"04:30","hours":0.83,"label":"marginal","mean_quality":0.34,"start":"2026-06-24T00:40Z","start_local":"03:40"},{"end":"2026-06-24T02:15Z","end_local":"05:15","hours":0.75,"label":"poor","mean_quality":0.1,"start":"2026-06-24T01:30Z","start_local":"04:30"},{"end":"2026-06-24T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-24T02:15Z","start_local":"05:15"}]},{"best_window":{"end":"2026-06-24T00:40Z","end_local":"03:40","hours":2.67,"label":"good","mean_quality":0.85,"start":"2026-06-23T22:00Z","start_local":"01:00"},"dec":44.25788576,"moon_separation":115.6,"name":"V1057 Cyg","quality_hours":2.93,"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":59,"score_astronomy":100,"score_weather":59,"transit":{"airmass":1.0,"alt":87.3,"az":7.8,"t":"2026-06-24T01:10Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-06-23T18:35Z","end_local":"21:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T17:55Z","start_local":"20:55"},{"end":"2026-06-23T21:00Z","end_local":"00:00","hours":2.42,"label":"poor","mean_quality":0.13,"start":"2026-06-23T18:35Z","start_local":"21:35"},{"end":"2026-06-23T22:00Z","end_local":"01:00","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T21:00Z","start_local":"00:00"},{"end":"2026-06-24T00:40Z","end_local":"03:40","hours":2.67,"label":"good","mean_quality":0.85,"start":"2026-06-23T22:00Z","start_local":"01:00"},{"end":"2026-06-24T01:30Z","end_local":"04:30","hours":0.83,"label":"marginal","mean_quality":0.34,"start":"2026-06-24T00:40Z","start_local":"03:40"},{"end":"2026-06-24T02:15Z","end_local":"05:15","hours":0.75,"label":"poor","mean_quality":0.1,"start":"2026-06-24T01:30Z","start_local":"04:30"},{"end":"2026-06-24T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-24T02:15Z","start_local":"05:15"}]},{"best_window":{"end":"2026-06-24T00:40Z","end_local":"03:40","hours":0.83,"label":"marginal","mean_quality":0.41,"start":"2026-06-23T23:50Z","start_local":"02:50"},"dec":30.66017511,"moon_separation":163.1,"name":"M33","quality_hours":0.64,"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":12,"score_astronomy":17,"score_weather":70,"transit":{"airmass":1.02,"alt":79.1,"az":178.0,"t":"2026-06-24T05:45Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-23T23:50Z","end_local":"02:50","hours":5.92,"label":"unusable","mean_quality":0.0,"start":"2026-06-23T17:55Z","start_local":"20:55"},{"end":"2026-06-24T00:40Z","end_local":"03:40","hours":0.83,"label":"marginal","mean_quality":0.41,"start":"2026-06-23T23:50Z","start_local":"02:50"},{"end":"2026-06-24T02:15Z","end_local":"05:15","hours":1.58,"label":"poor","mean_quality":0.19,"start":"2026-06-24T00:40Z","start_local":"03:40"},{"end":"2026-06-24T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-24T02:15Z","start_local":"05:15"}]}],"unscheduled":[{"name":"M42","why":"The target stays below 20\u00b0 for the whole night."},{"name":"M45","why":"The target stays below 20\u00b0 for the whole night."},{"name":"M33","why":"its best window (02:50\u201303:40) is outranked by M31"}],"warnings":[]}