{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-03-17","schedule":[{"end":"2028-03-17T17:35Z","end_local":"19:35","hours":1.08,"mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30","target":null},{"end":"2028-03-17T17:45Z","end_local":"19:45","hours":0.17,"mean_quality":0.32,"start":"2028-03-17T17:35Z","start_local":"19:35","target":"M33"},{"end":"2028-03-17T18:50Z","end_local":"20:50","hours":1.08,"mean_quality":0.73,"start":"2028-03-17T17:45Z","start_local":"19:45","target":"M45"},{"end":"2028-03-17T20:05Z","end_local":"22:05","hours":1.25,"mean_quality":0.63,"start":"2028-03-17T18:50Z","start_local":"20:50","target":"M42"},{"end":"2028-03-18T00:45Z","end_local":"02:45","hours":4.67,"mean_quality":0.0,"start":"2028-03-17T20:05Z","start_local":"22:05","target":null},{"end":"2028-03-18T01:50Z","end_local":"03:50","hours":1.08,"mean_quality":0.51,"start":"2028-03-18T00:45Z","start_local":"02:45","target":"NGC 7000"},{"end":"2028-03-18T03:30Z","end_local":"05:30","hours":1.67,"mean_quality":0.6,"start":"2028-03-18T01:50Z","start_local":"03:50","target":"V1057 Cyg"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":1.0,"mean_quality":0.0,"start":"2028-03-18T03:30Z","start_local":"05:30","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":116.7,"name":"M31","quality_hours":0.18,"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":null,"score_astronomy":1,"score_weather":null,"transit":{"airmass":1.0,"alt":89.6,"az":233.1,"t":"2028-03-17T11:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-03-17T17:00Z","end_local":"19:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30"},{"end":"2028-03-17T18:05Z","end_local":"20:05","hours":1.08,"label":"poor","mean_quality":0.17,"start":"2028-03-17T17:00Z","start_local":"19:00"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":10.42,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T18:05Z","start_local":"20:05"}]},{"best_window":{"end":"2028-03-17T19:35Z","end_local":"21:35","hours":1.5,"label":"good","mean_quality":0.78,"start":"2028-03-17T18:05Z","start_local":"20:05"},"dec":-5.3876,"moon_separation":148.2,"name":"M42","quality_hours":1.7,"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":null,"score_astronomy":36,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.1,"t":"2028-03-17T16:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-03-17T17:00Z","end_local":"19:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30"},{"end":"2028-03-17T17:35Z","end_local":"19:35","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2028-03-17T17:00Z","start_local":"19:00"},{"end":"2028-03-17T18:05Z","end_local":"20:05","hours":0.5,"label":"marginal","mean_quality":0.43,"start":"2028-03-17T17:35Z","start_local":"19:35"},{"end":"2028-03-17T19:35Z","end_local":"21:35","hours":1.5,"label":"good","mean_quality":0.78,"start":"2028-03-17T18:05Z","start_local":"20:05"},{"end":"2028-03-17T20:05Z","end_local":"22:05","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2028-03-17T19:35Z","start_local":"21:35"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":8.42,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T20:05Z","start_local":"22:05"}]},{"best_window":{"end":"2028-03-17T19:35Z","end_local":"21:35","hours":1.5,"label":"good","mean_quality":0.8,"start":"2028-03-17T18:05Z","start_local":"20:05"},"dec":24.11388889,"moon_separation":152.4,"name":"M45","quality_hours":1.77,"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":null,"score_astronomy":39,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.9,"t":"2028-03-17T14:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-03-17T17:00Z","end_local":"19:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30"},{"end":"2028-03-17T17:35Z","end_local":"19:35","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2028-03-17T17:00Z","start_local":"19:00"},{"end":"2028-03-17T18:05Z","end_local":"20:05","hours":0.5,"label":"marginal","mean_quality":0.45,"start":"2028-03-17T17:35Z","start_local":"19:35"},{"end":"2028-03-17T19:35Z","end_local":"21:35","hours":1.5,"label":"good","mean_quality":0.8,"start":"2028-03-17T18:05Z","start_local":"20:05"},{"end":"2028-03-17T20:05Z","end_local":"22:05","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2028-03-17T19:35Z","start_local":"21:35"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":8.42,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T20:05Z","start_local":"22:05"}]},{"best_window":{"end":"2028-03-18T02:55Z","end_local":"04:55","hours":1.33,"label":"good","mean_quality":0.7,"start":"2028-03-18T01:35Z","start_local":"03:35"},"dec":44.33,"moon_separation":82.9,"name":"NGC 7000","quality_hours":1.62,"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":null,"score_astronomy":30,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":1.0,"t":"2028-03-18T07:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-03-18T00:45Z","end_local":"02:45","hours":8.25,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30"},{"end":"2028-03-18T01:35Z","end_local":"03:35","hours":0.83,"label":"marginal","mean_quality":0.48,"start":"2028-03-18T00:45Z","start_local":"02:45"},{"end":"2028-03-18T02:55Z","end_local":"04:55","hours":1.33,"label":"good","mean_quality":0.7,"start":"2028-03-18T01:35Z","start_local":"03:35"},{"end":"2028-03-18T03:30Z","end_local":"05:30","hours":0.58,"label":"marginal","mean_quality":0.38,"start":"2028-03-18T02:55Z","start_local":"04:55"},{"end":"2028-03-18T04:00Z","end_local":"06:00","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2028-03-18T03:30Z","start_local":"05:30"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-18T04:00Z","start_local":"06:00"}]},{"best_window":{"end":"2028-03-18T02:55Z","end_local":"04:55","hours":1.33,"label":"good","mean_quality":0.7,"start":"2028-03-18T01:35Z","start_local":"03:35"},"dec":44.25788576,"moon_separation":82.8,"name":"V1057 Cyg","quality_hours":1.61,"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":null,"score_astronomy":30,"score_weather":null,"transit":{"airmass":1.0,"alt":87.3,"az":1.5,"t":"2028-03-18T07:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-03-18T00:45Z","end_local":"02:45","hours":8.25,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30"},{"end":"2028-03-18T01:35Z","end_local":"03:35","hours":0.83,"label":"marginal","mean_quality":0.47,"start":"2028-03-18T00:45Z","start_local":"02:45"},{"end":"2028-03-18T02:55Z","end_local":"04:55","hours":1.33,"label":"good","mean_quality":0.7,"start":"2028-03-18T01:35Z","start_local":"03:35"},{"end":"2028-03-18T03:30Z","end_local":"05:30","hours":0.58,"label":"marginal","mean_quality":0.38,"start":"2028-03-18T02:55Z","start_local":"04:55"},{"end":"2028-03-18T04:00Z","end_local":"06:00","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2028-03-18T03:30Z","start_local":"05:30"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-18T04:00Z","start_local":"06:00"}]},{"best_window":{"end":"2028-03-17T18:15Z","end_local":"20:15","hours":0.17,"label":"marginal","mean_quality":0.44,"start":"2028-03-17T18:05Z","start_local":"20:05"},"dec":30.66017511,"moon_separation":124.6,"name":"M33","quality_hours":0.28,"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":null,"score_astronomy":3,"score_weather":null,"transit":{"airmass":1.02,"alt":79.1,"az":181.0,"t":"2028-03-17T12:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-03-17T17:00Z","end_local":"19:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30"},{"end":"2028-03-17T17:35Z","end_local":"19:35","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2028-03-17T17:00Z","start_local":"19:00"},{"end":"2028-03-17T17:45Z","end_local":"19:45","hours":0.17,"label":"marginal","mean_quality":0.32,"start":"2028-03-17T17:35Z","start_local":"19:35"},{"end":"2028-03-17T18:05Z","end_local":"20:05","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2028-03-17T17:45Z","start_local":"19:45"},{"end":"2028-03-17T18:15Z","end_local":"20:15","hours":0.17,"label":"marginal","mean_quality":0.44,"start":"2028-03-17T18:05Z","start_local":"20:05"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":10.25,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T18:15Z","start_local":"20:15"}]}],"unscheduled":[{"name":"M31","why":"no usable window tonight"}],"warnings":[]}