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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 Saturday, 06 September 2036 · astronomical night 21:21 → 05:16 (7.92 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 20:20–20:30: quality 0.1M31 20:40–20:50: quality 0.1M31 20:50–21:25: quality 0.2M31 21:25–00:45: quality 0.5M31 00:45–03:50: quality 0.4M31 03:50–05:20: quality 0.5M31 05:20–05:55: quality 0.3M31 05:55–06:30: quality 0.1observe M31 23:50–01:20M42M42 04:05–04:25: quality 0.3M42 04:25–04:45: quality 0.4M42 04:45–05:10: quality 0.5M42 05:10–05:20: quality 0.6M42 05:20–05:55: quality 0.3M42 05:55–06:30: quality 0.1observe M42 04:20–05:20M45M45 00:30–00:35: quality 0.2M45 00:35–01:05: quality 0.3M45 01:05–02:10: quality 0.4M45 02:10–04:15: quality 0.5M45 04:15–05:20: quality 0.6M45 05:20–05:55: quality 0.3M45 05:55–06:30: quality 0.1observe M45 01:20–02:50observe M45 05:40–05:55NGC 7000NGC 7000 20:15–20:50: quality 0.1NGC 7000 20:50–21:25: quality 0.3NGC 7000 21:25–21:50: quality 0.7NGC 7000 21:50–00:25: quality 0.6NGC 7000 00:25–05:05: quality 0.5NGC 7000 05:05–05:20: quality 0.4NGC 7000 05:20–05:55: quality 0.2observe NGC 7000 20:50–22:20V1057 CygV1057 Cyg 20:15–20:50: quality 0.1V1057 Cyg 20:50–21:25: quality 0.3V1057 Cyg 21:25–21:50: quality 0.7V1057 Cyg 21:50–00:25: quality 0.6V1057 Cyg 00:25–05:05: quality 0.5V1057 Cyg 05:05–05:20: quality 0.4V1057 Cyg 05:20–05:55: quality 0.2observe V1057 Cyg 22:20–23:50M33M33 21:55–22:05: quality 0.2M33 22:05–22:35: quality 0.3M33 22:35–04:40: quality 0.4M33 04:40–05:20: quality 0.5M33 05:20–05:45: quality 0.2M33 05:45–05:55: quality 0.3M33 05:55–06:30: quality 0.1observe M33 02:50–04:20scheduleNGC 7000V1057 CygM31M45M33M4220:0022:0000:0002:0004:0006:00

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
19:45–20:50 — nothing worth pointing at — 1.08
20:50–22:20 NGC 7000 1.5 0.53
22:20–23:50 V1057 Cyg 1.5 0.59
23:50–01:20 M31 1.5 0.45
01:20–02:50 M45 1.5 0.45
02:50–04:20 M33 1.5 0.42
04:20–05:20 M42 1.0 0.46
05:20–05:40 — nothing worth pointing at — 0.33
05:40–05:55 M45 0.25 0.3
05:55–06:55 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 50 unknown 21:25–05:20 (marginal) 89.7° at 03:00 46.5° 1.5
M42 Great Orion Nebula 11 unknown 04:15–05:20 (marginal) 42.9° at 07:50 84.3° 1.0
M45 Seven Sisters 37 unknown 00:50–05:20 (marginal) 72.5° at 06:05 62.5° 1.75
NGC 7000 North America Nebula 67 unknown 21:25–22:55 (good) 87.2° at 23:15 62.6° 1.5
V1057 Cyg 67 unknown 21:25–22:55 (good) 87.3° at 23:15 62.6° 1.5
M33 Triangulum Pinwheel 38 unknown 22:20–05:20 (marginal) 79.2° at 03:50 41.8° 1.5
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2036-09-06"

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"}.