{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-05-17","schedule":[{"end":"2026-05-18T03:00Z","end_local":"06:00","hours":9.42,"mean_quality":0.0,"start":"2026-05-17T17:35Z","start_local":"20:35","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":50.3,"name":"M31","quality_hours":0.0,"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 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cluster"},"score":0,"score_astronomy":100,"score_weather":0,"transit":{"airmass":1.0,"alt":87.2,"az":8.9,"t":"2026-05-18T03:35Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-05-18T03:00Z","end_local":"06:00","hours":9.42,"label":"unusable","mean_quality":0.0,"start":"2026-05-17T17:35Z","start_local":"20:35"}]},{"best_window":null,"dec":44.25788576,"moon_separation":87.5,"name":"V1057 Cyg","quality_hours":0.0,"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":0,"score_astronomy":100,"score_weather":0,"transit":{"airmass":1.0,"alt":87.3,"az":350.5,"t":"2026-05-18T03:40Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-05-18T03:00Z","end_local":"06:00","hours":9.42,"label":"unusable","mean_quality":0.0,"start":"2026-05-17T17:35Z","start_local":"20:35"}]},{"best_window":null,"dec":30.66017511,"moon_separation":41.0,"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":177.4,"t":"2026-05-18T08:10Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-05-18T03:00Z","end_local":"06:00","hours":9.42,"label":"unusable","mean_quality":0.0,"start":"2026-05-17T17:35Z","start_local":"20:35"}]}],"unscheduled":[{"name":"M31","why":"Overcast (\u226580 % cloud) for 6.5 of 8.3 dark hours \u2014 the sky is closed whatever the geometry says."},{"name":"M42","why":"Overcast (\u226580 % cloud) for 6.5 of 8.3 dark hours \u2014 the sky is closed whatever the geometry says."},{"name":"M45","why":"Overcast (\u226580 % cloud) for 6.5 of 8.3 dark hours \u2014 the sky is closed whatever the geometry says."},{"name":"NGC 7000","why":"Overcast (\u226580 % cloud) for 6.5 of 8.3 dark hours \u2014 the sky is closed whatever the geometry says."},{"name":"V1057 Cyg","why":"Overcast (\u226580 % cloud) for 6.5 of 8.3 dark hours \u2014 the sky is closed whatever the geometry says."},{"name":"M33","why":"Overcast (\u226580 % cloud) for 6.5 of 8.3 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}