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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 October 2029 · astronomical night 20:33 → 05:47 (9.24 h) · Moon 29% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:30–20:05: quality 0.1M31 20:05–20:35: quality 0.4M31 20:35–21:55: quality 0.9M31 21:55–02:25: quality 1.0M31 02:25–05:10: quality 0.9M31 05:10–05:50: quality 0.8M31 05:50–06:25: quality 0.4M31 06:25–06:55: quality 0.1observe M31 23:35–01:20M42M42 02:25–02:40: quality 0.4M42 02:40–03:00: quality 0.5M42 03:00–03:20: quality 0.6M42 03:20–05:50: quality 0.7M42 05:50–06:25: quality 0.4M42 06:25–06:55: quality 0.1observe M42 04:50–06:25M45M45 22:50–22:55: quality 0.4M45 22:55–23:10: quality 0.5M45 23:10–23:20: quality 0.6M45 23:20–23:35: quality 0.7M45 23:35–00:20: quality 0.8M45 00:20–01:45: quality 0.9M45 01:45–02:05: quality 1.0M45 02:05–05:50: quality 0.9M45 05:50–06:25: quality 0.4M45 06:25–06:55: quality 0.1observe M45 03:05–04:50NGC 7000NGC 7000 19:30–20:05: quality 0.2NGC 7000 20:05–20:35: quality 0.5NGC 7000 20:35–01:05: quality 1.0NGC 7000 01:05–02:15: quality 0.9NGC 7000 02:15–03:25: quality 0.8NGC 7000 03:25–03:40: quality 0.7NGC 7000 03:40–04:00: quality 0.6NGC 7000 04:00–04:15: quality 0.5NGC 7000 04:15–04:30: quality 0.4observe NGC 7000 20:05–21:50V1057 CygV1057 Cyg 19:30–20:05: quality 0.2V1057 Cyg 20:05–20:35: quality 0.5V1057 Cyg 20:35–01:05: quality 1.0V1057 Cyg 01:05–02:15: quality 0.9V1057 Cyg 02:15–03:25: quality 0.8V1057 Cyg 03:25–03:40: quality 0.7V1057 Cyg 03:40–04:00: quality 0.6V1057 Cyg 04:00–04:15: quality 0.5V1057 Cyg 04:15–04:30: quality 0.4observe V1057 Cyg 21:50–23:35M33M33 20:15–20:25: quality 0.2M33 20:25–20:35: quality 0.3M33 20:35–20:50: quality 0.6M33 20:50–21:05: quality 0.7M33 21:05–21:50: quality 0.8M33 21:50–23:10: quality 0.9M33 23:10–02:05: quality 1.0M33 02:05–05:30: quality 0.9M33 05:30–05:50: quality 0.8M33 05:50–06:25: quality 0.4M33 06:25–06:55: quality 0.1observe M33 01:20–03:05scheduleNGC 7000V1057 CygM31M33M45M4220:0022:0000:0002:0004:0006:00

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
19:00–20:05 — nothing worth pointing at — 1.08
20:05–21:50 NGC 7000 1.75 0.86
21:50–23:35 V1057 Cyg 1.75 1.0
23:35–01:20 M31 1.75 1.0
01:20–03:05 M33 1.75 0.97
03:05–04:50 M45 1.75 0.89
04:50–06:25 M42 1.58 0.6
06:25–07:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 20:35–05:50 (good) 89.5° at 01:20 97.0° 1.75
M42 Great Orion Nebula 47 unknown 03:10–05:50 (good) 42.9° at 06:10 47.0° 1.58
M45 Seven Sisters 97 unknown 23:15–05:50 (good) 72.5° at 04:20 64.9° 1.75
NGC 7000 North America Nebula 100 unknown 20:35–03:50 (good) 87.2° at 21:35 118.8° 1.75
V1057 Cyg 100 unknown 20:35–03:50 (good) 87.3° at 21:35 118.9° 1.75
M33 Triangulum Pinwheel 100 unknown 20:40–05:50 (good) 79.1° at 02:10 92.0° 1.75
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-10-02"

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"}.