{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-25","schedule":[{"end":"2026-04-25T22:15Z","end_local":"01:15","hours":5.08,"mean_quality":0.0,"start":"2026-04-25T17:10Z","start_local":"20:10","target":null},{"end":"2026-04-26T00:20Z","end_local":"03:20","hours":2.08,"mean_quality":0.61,"start":"2026-04-25T22:15Z","start_local":"01:15","target":"NGC 7000"},{"end":"2026-04-26T02:20Z","end_local":"05:20","hours":2.0,"mean_quality":0.77,"start":"2026-04-26T00:20Z","start_local":"03:20","target":"V1057 Cyg"},{"end":"2026-04-26T03:25Z","end_local":"06:25","hours":1.08,"mean_quality":0.0,"start":"2026-04-26T02:20Z","start_local":"05:20","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":114.7,"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":1,"score_weather":100,"transit":{"airmass":1.0,"alt":89.5,"az":236.7,"t":"2026-04-26T08:50Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-04-26T02:10Z","end_local":"05:10","hours":9.0,"label":"unusable","mean_quality":0.0,"start":"2026-04-25T17:10Z","start_local":"20:10"},{"end":"2026-04-26T03:00Z","end_local":"06:00","hours":0.83,"label":"poor","mean_quality":0.11,"start":"2026-04-26T02:10Z","start_local":"05:10"},{"end":"2026-04-26T03:25Z","end_local":"06:25","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2026-04-26T03:00Z","start_local":"06:00"}]},{"best_window":null,"dec":-5.3876,"moon_separation":69.1,"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":180.6,"t":"2026-04-25T13:45Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-04-26T03:25Z","end_local":"06:25","hours":10.25,"label":"unusable","mean_quality":0.0,"start":"2026-04-25T17:10Z","start_local":"20:10"}]},{"best_window":null,"dec":24.11388889,"moon_separation":88.7,"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":180.0,"t":"2026-04-25T11:55Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-04-26T03:25Z","end_local":"06:25","hours":10.25,"label":"unusable","mean_quality":0.0,"start":"2026-04-25T17:10Z","start_local":"20:10"}]},{"best_window":{"end":"2026-04-26T01:45Z","end_local":"04:45","hours":2.67,"label":"good","mean_quality":0.81,"start":"2026-04-25T23:05Z","start_local":"02:05"},"dec":44.33,"moon_separation":121.0,"name":"NGC 7000","quality_hours":2.92,"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":70,"score_astronomy":72,"score_weather":97,"transit":{"airmass":1.0,"alt":87.3,"az":355.9,"t":"2026-04-26T05:05Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-04-25T22:15Z","end_local":"01:15","hours":5.08,"label":"unusable","mean_quality":0.0,"start":"2026-04-25T17:10Z","start_local":"20:10"},{"end":"2026-04-25T23:05Z","end_local":"02:05","hours":0.83,"label":"marginal","mean_quality":0.45,"start":"2026-04-25T22:15Z","start_local":"01:15"},{"end":"2026-04-26T01:45Z","end_local":"04:45","hours":2.67,"label":"good","mean_quality":0.81,"start":"2026-04-25T23:05Z","start_local":"02:05"},{"end":"2026-04-26T02:20Z","end_local":"05:20","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2026-04-26T01:45Z","start_local":"04:45"},{"end":"2026-04-26T03:00Z","end_local":"06:00","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2026-04-26T02:20Z","start_local":"05:20"},{"end":"2026-04-26T03:25Z","end_local":"06:25","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2026-04-26T03:00Z","start_local":"06:00"}]},{"best_window":{"end":"2026-04-26T01:45Z","end_local":"04:45","hours":2.67,"label":"good","mean_quality":0.81,"start":"2026-04-25T23:05Z","start_local":"02:05"},"dec":44.25788576,"moon_separation":121.1,"name":"V1057 Cyg","quality_hours":2.91,"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":70,"score_astronomy":72,"score_weather":97,"transit":{"airmass":1.0,"alt":87.3,"az":356.2,"t":"2026-04-26T05:05Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-04-25T22:15Z","end_local":"01:15","hours":5.08,"label":"unusable","mean_quality":0.0,"start":"2026-04-25T17:10Z","start_local":"20:10"},{"end":"2026-04-25T23:05Z","end_local":"02:05","hours":0.83,"label":"marginal","mean_quality":0.45,"start":"2026-04-25T22:15Z","start_local":"01:15"},{"end":"2026-04-26T01:45Z","end_local":"04:45","hours":2.67,"label":"good","mean_quality":0.81,"start":"2026-04-25T23:05Z","start_local":"02:05"},{"end":"2026-04-26T02:20Z","end_local":"05:20","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2026-04-26T01:45Z","start_local":"04:45"},{"end":"2026-04-26T03:00Z","end_local":"06:00","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2026-04-26T02:20Z","start_local":"05:20"},{"end":"2026-04-26T03:25Z","end_local":"06:25","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2026-04-26T03:00Z","start_local":"06:00"}]},{"best_window":null,"dec":30.66017511,"moon_separation":113.4,"name":"M33","quality_hours":0.0,"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":0,"score_weather":0,"transit":{"airmass":1.02,"alt":79.1,"az":182.6,"t":"2026-04-25T09:45Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-04-26T03:25Z","end_local":"06:25","hours":10.25,"label":"unusable","mean_quality":0.0,"start":"2026-04-25T17:10Z","start_local":"20:10"}]}],"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":"The target stays below 20\u00b0 for the whole night."}],"warnings":[]}
