{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-02","schedule":[{"end":"2026-06-02T20:00Z","end_local":"23:00","hours":2.25,"mean_quality":0.0,"start":"2026-06-02T17:45Z","start_local":"20:45","target":null},{"end":"2026-06-02T21:45Z","end_local":"00:45","hours":1.75,"mean_quality":0.55,"start":"2026-06-02T20:00Z","start_local":"23:00","target":"NGC 7000"},{"end":"2026-06-02T23:45Z","end_local":"02:45","hours":2.0,"mean_quality":0.56,"start":"2026-06-02T21:45Z","start_local":"00:45","target":"V1057 Cyg"},{"end":"2026-06-03T01:00Z","end_local":"04:00","hours":1.25,"mean_quality":0.42,"start":"2026-06-02T23:45Z","start_local":"02:45","target":"M31"},{"end":"2026-06-03T02:50Z","end_local":"05:50","hours":1.83,"mean_quality":0.0,"start":"2026-06-03T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2026-06-03T01:00Z","end_local":"04:00","hours":1.25,"label":"marginal","mean_quality":0.42,"start":"2026-06-02T23:45Z","start_local":"02:45"},"dec":41.26875,"moon_separation":106.8,"name":"M31","quality_hours":0.77,"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":13,"score_astronomy":15,"score_weather":86,"transit":{"airmass":1.0,"alt":89.6,"az":228.2,"t":"2026-06-03T06:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-02T23:40Z","end_local":"02:40","hours":5.92,"label":"unusable","mean_quality":0.0,"start":"2026-06-02T17:45Z","start_local":"20:45"},{"end":"2026-06-02T23:45Z","end_local":"02:45","hours":0.08,"label":"poor","mean_quality":0.29,"start":"2026-06-02T23:40Z","start_local":"02:40"},{"end":"2026-06-03T01:00Z","end_local":"04:00","hours":1.25,"label":"marginal","mean_quality":0.42,"start":"2026-06-02T23:45Z","start_local":"02:45"},{"end":"2026-06-03T02:15Z","end_local":"05:15","hours":1.25,"label":"poor","mean_quality":0.18,"start":"2026-06-03T01:00Z","start_local":"04:00"},{"end":"2026-06-03T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-03T02:15Z","start_local":"05:15"}]},{"best_window":null,"dec":-5.3876,"moon_separation":143.3,"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":180.4,"t":"2026-06-02T11:15Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-03T02:50Z","end_local":"05:50","hours":9.08,"label":"unusable","mean_quality":0.0,"start":"2026-06-02T17:45Z","start_local":"20:45"}]},{"best_window":null,"dec":24.11388889,"moon_separation":139.5,"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":179.6,"t":"2026-06-02T09:25Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-03T02:50Z","end_local":"05:50","hours":9.08,"label":"unusable","mean_quality":0.0,"start":"2026-06-02T17:45Z","start_local":"20:45"}]},{"best_window":{"end":"2026-06-03T00:45Z","end_local":"03:45","hours":0.75,"label":"good","mean_quality":0.64,"start":"2026-06-03T00:00Z","start_local":"03:00"},"dec":44.33,"moon_separation":77.5,"name":"NGC 7000","quality_hours":3.06,"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":54,"score_astronomy":61,"score_weather":88,"transit":{"airmass":1.0,"alt":87.3,"az":358.1,"t":"2026-06-03T02:35Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-06-02T19:45Z","end_local":"22:45","hours":2.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-02T17:45Z","start_local":"20:45"},{"end":"2026-06-02T20:00Z","end_local":"23:00","hours":0.25,"label":"poor","mean_quality":0.19,"start":"2026-06-02T19:45Z","start_local":"22:45"},{"end":"2026-06-02T21:15Z","end_local":"00:15","hours":1.25,"label":"marginal","mean_quality":0.53,"start":"2026-06-02T20:00Z","start_local":"23:00"},{"end":"2026-06-02T22:00Z","end_local":"01:00","hours":0.75,"label":"good","mean_quality":0.61,"start":"2026-06-02T21:15Z","start_local":"00:15"},{"end":"2026-06-03T00:00Z","end_local":"03:00","hours":2.0,"label":"marginal","mean_quality":0.56,"start":"2026-06-02T22:00Z","start_local":"01:00"},{"end":"2026-06-03T00:45Z","end_local":"03:45","hours":0.75,"label":"good","mean_quality":0.64,"start":"2026-06-03T00:00Z","start_local":"03:00"},{"end":"2026-06-03T01:00Z","end_local":"04:00","hours":0.25,"label":"marginal","mean_quality":0.32,"start":"2026-06-03T00:45Z","start_local":"03:45"},{"end":"2026-06-03T02:15Z","end_local":"05:15","hours":1.25,"label":"poor","mean_quality":0.18,"start":"2026-06-03T01:00Z","start_local":"04:00"},{"end":"2026-06-03T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-03T02:15Z","start_local":"05:15"}]},{"best_window":{"end":"2026-06-03T00:45Z","end_local":"03:45","hours":0.75,"label":"good","mean_quality":0.64,"start":"2026-06-03T00:00Z","start_local":"03:00"},"dec":44.25788576,"moon_separation":77.4,"name":"V1057 Cyg","quality_hours":3.06,"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":54,"score_astronomy":61,"score_weather":88,"transit":{"airmass":1.0,"alt":87.3,"az":358.5,"t":"2026-06-03T02:35Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-06-02T19:45Z","end_local":"22:45","hours":2.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-02T17:45Z","start_local":"20:45"},{"end":"2026-06-02T20:00Z","end_local":"23:00","hours":0.25,"label":"poor","mean_quality":0.19,"start":"2026-06-02T19:45Z","start_local":"22:45"},{"end":"2026-06-02T21:20Z","end_local":"00:20","hours":1.33,"label":"marginal","mean_quality":0.53,"start":"2026-06-02T20:00Z","start_local":"23:00"},{"end":"2026-06-02T22:00Z","end_local":"01:00","hours":0.67,"label":"good","mean_quality":0.61,"start":"2026-06-02T21:20Z","start_local":"00:20"},{"end":"2026-06-03T00:00Z","end_local":"03:00","hours":2.0,"label":"marginal","mean_quality":0.56,"start":"2026-06-02T22:00Z","start_local":"01:00"},{"end":"2026-06-03T00:45Z","end_local":"03:45","hours":0.75,"label":"good","mean_quality":0.64,"start":"2026-06-03T00:00Z","start_local":"03:00"},{"end":"2026-06-03T01:00Z","end_local":"04:00","hours":0.25,"label":"marginal","mean_quality":0.32,"start":"2026-06-03T00:45Z","start_local":"03:45"},{"end":"2026-06-03T02:15Z","end_local":"05:15","hours":1.25,"label":"poor","mean_quality":0.18,"start":"2026-06-03T01:00Z","start_local":"04:00"},{"end":"2026-06-03T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-03T02:15Z","start_local":"05:15"}]},{"best_window":null,"dec":30.66017511,"moon_separation":112.9,"name":"M33","quality_hours":0.1,"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":1,"score_astronomy":1,"score_weather":79,"transit":{"airmass":1.02,"alt":79.1,"az":180.7,"t":"2026-06-03T07:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-03T01:15Z","end_local":"04:15","hours":7.5,"label":"unusable","mean_quality":0.0,"start":"2026-06-02T17:45Z","start_local":"20:45"},{"end":"2026-06-03T02:15Z","end_local":"05:15","hours":1.0,"label":"poor","mean_quality":0.1,"start":"2026-06-03T01:15Z","start_local":"04:15"},{"end":"2026-06-03T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-03T02:15Z","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":"no usable window tonight"}],"warnings":[]}