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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, 24 September 2029 · astronomical night 20:47 → 05:38 (8.85 h) · Moon 95% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:45–20:15: quality 0.1M31 20:15–20:50: quality 0.2M31 20:50–21:00: quality 0.5M31 21:00–23:55: quality 0.4M31 23:55–05:40: quality 0.3M31 05:40–06:15: quality 0.2M31 06:15–06:45: quality 0.1observe M31 23:25–01:00M42M42 02:55–03:10: quality 0.2M42 03:10–03:45: quality 0.3M42 03:45–05:05: quality 0.4M42 05:05–05:40: quality 0.5M42 05:40–06:15: quality 0.2M42 06:15–06:45: quality 0.1observe M42 04:40–05:40M45M45 23:20–00:00: quality 0.2M45 00:00–05:10: quality 0.3M45 05:10–05:40: quality 0.4M45 05:40–06:15: quality 0.2M45 06:15–06:45: quality 0.1observe M45 03:05–04:40NGC 7000NGC 7000 19:45–20:15: quality 0.1NGC 7000 20:15–20:30: quality 0.4NGC 7000 20:30–20:50: quality 0.3NGC 7000 20:50–21:30: quality 0.7NGC 7000 21:30–23:55: quality 0.6NGC 7000 23:55–02:25: quality 0.5NGC 7000 02:25–04:10: quality 0.4NGC 7000 04:10–04:45: quality 0.3NGC 7000 04:45–05:00: quality 0.2observe NGC 7000 20:15–21:50V1057 CygV1057 Cyg 19:45–20:15: quality 0.1V1057 Cyg 20:15–20:30: quality 0.4V1057 Cyg 20:30–20:50: quality 0.3V1057 Cyg 20:50–21:30: quality 0.7V1057 Cyg 21:30–23:55: quality 0.6V1057 Cyg 23:55–02:25: quality 0.5V1057 Cyg 02:25–04:10: quality 0.4V1057 Cyg 04:10–04:45: quality 0.3V1057 Cyg 04:45–05:00: quality 0.2observe V1057 Cyg 21:50–23:25observe V1057 Cyg 01:15–03:05M33M33 20:45–20:50: quality 0.1M33 20:50–20:55: quality 0.2M33 20:55–21:25: quality 0.3M33 21:25–23:20: quality 0.4M33 23:20–05:40: quality 0.3M33 05:40–06:15: quality 0.2M33 06:15–06:45: quality 0.1observe M33 01:00–01:15scheduleNGC 7000V1057 CygM31V1057 CygM45M4220:0022:0000:0002:0004:0006:00

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
19:10–20:15 — nothing worth pointing at — 1.08
20:15–21:50 NGC 7000 1.58 0.55
21:50–23:25 V1057 Cyg 1.58 0.6
23:25–01:00 M31 1.58 0.34
01:00–01:15 M33 0.25 0.3
01:15–03:05 V1057 Cyg 1.83 0.46
03:05–04:40 M45 1.58 0.31
04:40–05:40 M42 1.0 0.45
05:40–07:15 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 37 unknown 20:50–01:15 (marginal) 89.7° at 01:50 28.9° 1.58
M42 Great Orion Nebula 15 unknown 03:25–05:40 (marginal) 42.9° at 06:40 63.3° 1.0
M45 Seven Sisters 18 unknown 03:05–05:40 (marginal) 72.5° at 04:55 32.9° 1.58
NGC 7000 North America Nebula 68 unknown 20:50–22:35 (good) 87.2° at 22:05 64.6° 1.58
V1057 Cyg 68 unknown 20:50–22:35 (good) 87.3° at 22:05 64.6° 3.42
M33 Triangulum Pinwheel 29 unknown 21:10–01:15 (marginal) 79.1° at 02:40 16.2° 0.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-09-24"

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"}.