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Rozhen Night Plan

Up to ten targets, one night: each gets its good/marginal/poor windows (darkness × altitude × Moon × clouds, as on the single-target page), then the night is handed out five minutes at a time to whichever target is best — with hysteresis, so you get a few solid blocks of at least 30 minutes, not a flicker. Targets that never win a block are listed with the reason.

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Night of Monday, 31 January 2028 · astronomical night 19:10 → 05:58 (10.81 h) · Moon 23% (waxing crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

V1057 CygV1057 Cyg 18:05–18:40: quality 0.1V1057 Cyg 18:40–19:05: quality 0.3V1057 Cyg 19:05–19:15: quality 0.2V1057 Cyg 19:15–19:35: quality 0.4V1057 Cyg 05:45–05:55: quality 0.4V1057 Cyg 05:55–06:00: quality 0.5V1057 Cyg 06:00–06:05: quality 0.2V1057 Cyg 06:05–06:35: quality 0.3V1057 Cyg 06:35–07:05: quality 0.1observe V1057 Cyg 18:40–18:45observe V1057 Cyg 19:15–19:35observe V1057 Cyg 05:45–06:00observe V1057 Cyg 06:20–06:35schedule18:0020:0022:0000:0002:0004:0006:00

Each row is the target's quality through the night, white → amber → green for 0 → 0.3 → 0.6 → 1 (the same thresholds as poor / marginal / good). Dark blue: the schedule. Grey columns: twilight.  Download: schedule CSV · targets CSV · JSON

Schedule

localtargethoursmean quality
17:30–18:40 — nothing worth pointing at — 1.17
18:40–18:45 V1057 Cyg 0.08 0.31
18:45–19:15 — nothing worth pointing at — 0.5
19:15–19:35 V1057 Cyg 0.33 0.41
19:35–05:45 — nothing worth pointing at — 10.17
05:45–06:00 V1057 Cyg 0.25 0.43
06:00–06:20 — nothing worth pointing at — 0.33
06:20–06:35 V1057 Cyg 0.25 0.32
06:35–07:35 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
V1057 Cyg 8 unknown 19:15–19:35 (marginal) 87.3° at 12:40 57.5° 0.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-01-31"

targets: names or RA Dec, separated by commas, semicolons or newlines, at most ten. The response carries targets[] (score, verdict, best_window, windows, transit, moon_separation), schedule[] (blocks with target, start/end in UTC and local, hours, mean_quality; target: null is idle time), unscheduled[] with a why, forecast_source, warnings[]. Missing targets → 400 {"error", "code": "targets_missing"}; an unreadable date → 400 {"error", "code": "invalid_date"}.