{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-03-12","schedule":[{"end":"2026-03-13T01:05Z","end_local":"03:05","hours":8.75,"mean_quality":0.0,"start":"2026-03-12T16:20Z","start_local":"18:20","target":null},{"end":"2026-03-13T02:25Z","end_local":"04:25","hours":1.33,"mean_quality":0.56,"start":"2026-03-13T01:05Z","start_local":"03:05","target":"NGC 7000"},{"end":"2026-03-13T03:40Z","end_local":"05:40","hours":1.25,"mean_quality":0.59,"start":"2026-03-13T02:25Z","start_local":"04:25","target":"V1057 Cyg"},{"end":"2026-03-13T04:40Z","end_local":"06:40","hours":1.0,"mean_quality":0.0,"start":"2026-03-13T03:40Z","start_local":"05:40","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":108.1,"name":"M31","quality_hours":0.01,"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":0,"score_astronomy":6,"score_weather":1,"transit":{"airmass":1.0,"alt":89.7,"az":192.5,"t":"2026-03-12T11:45Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-12T16:55Z","end_local":"18:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T16:20Z","start_local":"18:20"},{"end":"2026-03-12T17:00Z","end_local":"19:00","hours":0.08,"label":"poor","mean_quality":0.07,"start":"2026-03-12T16:55Z","start_local":"18:55"},{"end":"2026-03-13T04:40Z","end_local":"06:40","hours":11.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T17:00Z","start_local":"19:00"}]},{"best_window":null,"dec":-5.3876,"moon_separation":143.3,"name":"M42","quality_hours":0.01,"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":45,"score_weather":0,"transit":{"airmass":1.47,"alt":42.9,"az":179.6,"t":"2026-03-12T16:35Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-12T16:55Z","end_local":"18:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T16:20Z","start_local":"18:20"},{"end":"2026-03-12T17:00Z","end_local":"19:00","hours":0.08,"label":"poor","mean_quality":0.07,"start":"2026-03-12T16:55Z","start_local":"18:55"},{"end":"2026-03-13T04:40Z","end_local":"06:40","hours":11.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T17:00Z","start_local":"19:00"}]},{"best_window":null,"dec":24.11388889,"moon_separation":140.7,"name":"M45","quality_hours":0.01,"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":50,"score_weather":0,"transit":{"airmass":1.05,"alt":72.5,"az":181.6,"t":"2026-03-12T14:50Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-12T16:55Z","end_local":"18:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T16:20Z","start_local":"18:20"},{"end":"2026-03-12T17:00Z","end_local":"19:00","hours":0.08,"label":"poor","mean_quality":0.08,"start":"2026-03-12T16:55Z","start_local":"18:55"},{"end":"2026-03-13T04:40Z","end_local":"06:40","hours":11.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T17:00Z","start_local":"19:00"}]},{"best_window":{"end":"2026-03-13T03:05Z","end_local":"05:05","hours":1.08,"label":"good","mean_quality":0.74,"start":"2026-03-13T02:00Z","start_local":"04:00"},"dec":44.33,"moon_separation":78.5,"name":"NGC 7000","quality_hours":1.54,"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":29,"score_astronomy":30,"score_weather":98,"transit":{"airmass":1.0,"alt":87.2,"az":7.0,"t":"2026-03-13T07:55Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-03-13T01:05Z","end_local":"03:05","hours":8.75,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T16:20Z","start_local":"18:20"},{"end":"2026-03-13T02:00Z","end_local":"04:00","hours":0.92,"label":"marginal","mean_quality":0.5,"start":"2026-03-13T01:05Z","start_local":"03:05"},{"end":"2026-03-13T03:05Z","end_local":"05:05","hours":1.08,"label":"good","mean_quality":0.74,"start":"2026-03-13T02:00Z","start_local":"04:00"},{"end":"2026-03-13T03:40Z","end_local":"05:40","hours":0.58,"label":"marginal","mean_quality":0.39,"start":"2026-03-13T03:05Z","start_local":"05:05"},{"end":"2026-03-13T04:10Z","end_local":"06:10","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2026-03-13T03:40Z","start_local":"05:40"},{"end":"2026-03-13T04:40Z","end_local":"06:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-03-13T04:10Z","start_local":"06:10"}]},{"best_window":{"end":"2026-03-13T03:05Z","end_local":"05:05","hours":1.08,"label":"good","mean_quality":0.74,"start":"2026-03-13T02:00Z","start_local":"04:00"},"dec":44.25788576,"moon_separation":78.5,"name":"V1057 Cyg","quality_hours":1.54,"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":29,"score_astronomy":30,"score_weather":98,"transit":{"airmass":1.0,"alt":87.3,"az":7.7,"t":"2026-03-13T07:55Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-03-13T01:05Z","end_local":"03:05","hours":8.75,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T16:20Z","start_local":"18:20"},{"end":"2026-03-13T02:00Z","end_local":"04:00","hours":0.92,"label":"marginal","mean_quality":0.49,"start":"2026-03-13T01:05Z","start_local":"03:05"},{"end":"2026-03-13T03:05Z","end_local":"05:05","hours":1.08,"label":"good","mean_quality":0.74,"start":"2026-03-13T02:00Z","start_local":"04:00"},{"end":"2026-03-13T03:40Z","end_local":"05:40","hours":0.58,"label":"marginal","mean_quality":0.39,"start":"2026-03-13T03:05Z","start_local":"05:05"},{"end":"2026-03-13T04:10Z","end_local":"06:10","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2026-03-13T03:40Z","start_local":"05:40"},{"end":"2026-03-13T04:40Z","end_local":"06:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-03-13T04:10Z","start_local":"06:10"}]},{"best_window":null,"dec":30.66017511,"moon_separation":114.2,"name":"M33","quality_hours":0.01,"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":9,"score_weather":1,"transit":{"airmass":1.02,"alt":79.1,"az":179.2,"t":"2026-03-12T12:35Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-12T16:55Z","end_local":"18:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T16:20Z","start_local":"18:20"},{"end":"2026-03-12T17:00Z","end_local":"19:00","hours":0.08,"label":"poor","mean_quality":0.07,"start":"2026-03-12T16:55Z","start_local":"18:55"},{"end":"2026-03-13T04:40Z","end_local":"06:40","hours":11.67,"label":"unusable","mean_quality":0.0,"start":"2026-03-12T17:00Z","start_local":"19:00"}]}],"unscheduled":[{"name":"M31","why":"no usable window tonight"},{"name":"M42","why":"no usable window tonight"},{"name":"M45","why":"no usable window tonight"},{"name":"M33","why":"no usable window tonight"}],"warnings":[]}
