{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-04","schedule":[{"end":"2026-06-04T20:00Z","end_local":"23:00","hours":2.17,"mean_quality":0.0,"start":"2026-06-04T17:50Z","start_local":"20:50","target":null},{"end":"2026-06-04T21:00Z","end_local":"00:00","hours":1.0,"mean_quality":0.6,"start":"2026-06-04T20:00Z","start_local":"23:00","target":"NGC 7000"},{"end":"2026-06-04T22:00Z","end_local":"01:00","hours":1.0,"mean_quality":0.66,"start":"2026-06-04T21:00Z","start_local":"00:00","target":"V1057 Cyg"},{"end":"2026-06-05T02:50Z","end_local":"05:50","hours":4.83,"mean_quality":0.0,"start":"2026-06-04T22:00Z","start_local":"01:00","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":86.0,"name":"M31","quality_hours":0.09,"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":1,"score_astronomy":14,"score_weather":10,"transit":{"airmass":1.0,"alt":89.7,"az":162.3,"t":"2026-06-05T06:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-05T01:00Z","end_local":"04:00","hours":7.17,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T17:50Z","start_local":"20:50"},{"end":"2026-06-05T02:15Z","end_local":"05:15","hours":1.25,"label":"poor","mean_quality":0.07,"start":"2026-06-05T01:00Z","start_local":"04:00"},{"end":"2026-06-05T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-05T02:15Z","start_local":"05:15"}]},{"best_window":null,"dec":-5.3876,"moon_separation":129.7,"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":"2026-06-04T11:05Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-05T02:50Z","end_local":"05:50","hours":9.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T17:50Z","start_local":"20:50"}]},{"best_window":null,"dec":24.11388889,"moon_separation":115.6,"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":181.8,"t":"2026-06-04T09:20Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-05T02:50Z","end_local":"05:50","hours":9.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T17:50Z","start_local":"20:50"}]},{"best_window":{"end":"2026-06-04T21:25Z","end_local":"00:25","hours":0.92,"label":"good","mean_quality":0.7,"start":"2026-06-04T20:30Z","start_local":"23:30"},"dec":44.33,"moon_separation":66.2,"name":"NGC 7000","quality_hours":1.43,"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":30,"score_astronomy":79,"score_weather":38,"transit":{"airmass":1.0,"alt":87.2,"az":6.1,"t":"2026-06-05T02:25Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-04T19:35Z","end_local":"22:35","hours":1.75,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T17:50Z","start_local":"20:50"},{"end":"2026-06-04T20:00Z","end_local":"23:00","hours":0.42,"label":"poor","mean_quality":0.2,"start":"2026-06-04T19:35Z","start_local":"22:35"},{"end":"2026-06-04T20:30Z","end_local":"23:30","hours":0.5,"label":"marginal","mean_quality":0.53,"start":"2026-06-04T20:00Z","start_local":"23:00"},{"end":"2026-06-04T21:25Z","end_local":"00:25","hours":0.92,"label":"good","mean_quality":0.7,"start":"2026-06-04T20:30Z","start_local":"23:30"},{"end":"2026-06-04T22:00Z","end_local":"01:00","hours":0.58,"label":"marginal","mean_quality":0.59,"start":"2026-06-04T21:25Z","start_local":"00:25"},{"end":"2026-06-05T01:00Z","end_local":"04:00","hours":3.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T22:00Z","start_local":"01:00"},{"end":"2026-06-05T02:15Z","end_local":"05:15","hours":1.25,"label":"poor","mean_quality":0.07,"start":"2026-06-05T01:00Z","start_local":"04:00"},{"end":"2026-06-05T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-05T02:15Z","start_local":"05:15"}]},{"best_window":{"end":"2026-06-04T21:25Z","end_local":"00:25","hours":0.92,"label":"good","mean_quality":0.7,"start":"2026-06-04T20:30Z","start_local":"23:30"},"dec":44.25788576,"moon_separation":66.2,"name":"V1057 Cyg","quality_hours":1.43,"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":30,"score_astronomy":79,"score_weather":38,"transit":{"airmass":1.0,"alt":87.3,"az":6.7,"t":"2026-06-05T02:25Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-04T19:35Z","end_local":"22:35","hours":1.75,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T17:50Z","start_local":"20:50"},{"end":"2026-06-04T20:00Z","end_local":"23:00","hours":0.42,"label":"poor","mean_quality":0.2,"start":"2026-06-04T19:35Z","start_local":"22:35"},{"end":"2026-06-04T20:30Z","end_local":"23:30","hours":0.5,"label":"marginal","mean_quality":0.53,"start":"2026-06-04T20:00Z","start_local":"23:00"},{"end":"2026-06-04T21:25Z","end_local":"00:25","hours":0.92,"label":"good","mean_quality":0.7,"start":"2026-06-04T20:30Z","start_local":"23:30"},{"end":"2026-06-04T22:00Z","end_local":"01:00","hours":0.58,"label":"marginal","mean_quality":0.59,"start":"2026-06-04T21:25Z","start_local":"00:25"},{"end":"2026-06-05T01:00Z","end_local":"04:00","hours":3.0,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T22:00Z","start_local":"01:00"},{"end":"2026-06-05T02:15Z","end_local":"05:15","hours":1.25,"label":"poor","mean_quality":0.07,"start":"2026-06-05T01:00Z","start_local":"04:00"},{"end":"2026-06-05T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-05T02:15Z","start_local":"05:15"}]},{"best_window":null,"dec":30.66017511,"moon_separation":89.8,"name":"M33","quality_hours":0.06,"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":0,"score_astronomy":1,"score_weather":37,"transit":{"airmass":1.02,"alt":79.1,"az":178.3,"t":"2026-06-05T07:00Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-06-05T01:05Z","end_local":"04:05","hours":7.25,"label":"unusable","mean_quality":0.0,"start":"2026-06-04T17:50Z","start_local":"20:50"},{"end":"2026-06-05T02:15Z","end_local":"05:15","hours":1.17,"label":"poor","mean_quality":0.05,"start":"2026-06-05T01:05Z","start_local":"04:05"},{"end":"2026-06-05T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-05T02:15Z","start_local":"05:15"}]}],"unscheduled":[{"name":"M31","why":"no usable window tonight"},{"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":[]}