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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 Tuesday, 02 February 2027 · astronomical night 19:12 → 05:56 (10.73 h) · Moon 12% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

V1057 CygV1057 Cyg 18:10–18:40: quality 0.1V1057 Cyg 18:40–19:10: quality 0.3V1057 Cyg 19:10–19:15: quality 0.2V1057 Cyg 19:15–19:25: quality 0.4V1057 Cyg 05:40–05:45: quality 0.4V1057 Cyg 05:45–06:00: quality 0.5V1057 Cyg 06:00–06:30: quality 0.3V1057 Cyg 06:30–07:05: quality 0.1observe V1057 Cyg 18:40–18:50observe V1057 Cyg 19:15–19:25observe V1057 Cyg 05:40–06:00observe V1057 Cyg 06:15–06:30schedule18:0020:0022:0000:0002:0004:0006:00

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
17:35–18:40 — nothing worth pointing at — 1.08
18:40–18:50 V1057 Cyg 0.17 0.32
18:50–19:15 — nothing worth pointing at — 0.42
19:15–19:25 V1057 Cyg 0.17 0.43
19:25–05:40 — nothing worth pointing at — 10.25
05:40–06:00 V1057 Cyg 0.33 0.47
06:00–06:15 — nothing worth pointing at — 0.25
06:15–06:30 V1057 Cyg 0.25 0.32
06:30–07:35 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
V1057 Cyg 8 unknown 05:40–06:00 (marginal) 87.3° at 12:30 80.7° 0.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2027-02-02"

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"}.