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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, 08 September 2036 · astronomical night 21:17 → 05:19 (8.03 h) · Moon 91% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 20:15–20:45: quality 0.1M31 20:45–21:05: quality 0.3M31 21:05–21:20: quality 0.4M31 21:20–21:25: quality 0.8M31 21:25–01:15: quality 0.5M31 01:15–05:20: quality 0.4M31 05:20–05:55: quality 0.2M31 05:55–06:30: quality 0.1observe M31 23:45–01:15M42M42 04:00–04:10: quality 0.2M42 04:10–04:35: quality 0.3M42 04:35–05:20: quality 0.4M42 05:20–05:55: quality 0.2M42 05:55–06:30: quality 0.1observe M42 04:20–05:20M45M45 00:20–00:40: quality 0.2M45 00:40–01:15: quality 0.3M45 01:15–05:20: quality 0.4M45 05:20–05:55: quality 0.2M45 05:55–06:30: quality 0.1observe M45 02:45–04:20NGC 7000NGC 7000 20:10–20:25: quality 0.1NGC 7000 20:25–20:45: quality 0.2NGC 7000 20:45–21:20: quality 0.5NGC 7000 21:20–21:25: quality 1.0NGC 7000 21:25–21:50: quality 0.8NGC 7000 21:50–00:20: quality 0.7NGC 7000 00:20–02:55: quality 0.6NGC 7000 02:55–05:00: quality 0.5NGC 7000 05:00–05:20: quality 0.4NGC 7000 05:20–05:45: quality 0.2NGC 7000 05:45–05:55: quality 0.1observe NGC 7000 20:45–22:15V1057 CygV1057 Cyg 20:10–20:25: quality 0.1V1057 Cyg 20:25–20:45: quality 0.2V1057 Cyg 20:45–21:20: quality 0.5V1057 Cyg 21:20–21:25: quality 1.0V1057 Cyg 21:25–21:50: quality 0.8V1057 Cyg 21:50–00:20: quality 0.7V1057 Cyg 00:20–02:55: quality 0.6V1057 Cyg 02:55–05:00: quality 0.5V1057 Cyg 05:00–05:20: quality 0.4V1057 Cyg 05:20–05:45: quality 0.2V1057 Cyg 05:45–05:55: quality 0.1observe V1057 Cyg 22:15–23:45M33M33 21:45–21:50: quality 0.2M33 21:50–22:15: quality 0.3M33 22:15–05:20: quality 0.4M33 05:20–05:55: quality 0.2M33 05:55–06:30: quality 0.1observe M33 01:15–02:45scheduleNGC 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
19:40–20:45 — nothing worth pointing at — 1.08
20:45–22:15 NGC 7000 1.5 0.67
22:15–23:45 V1057 Cyg 1.5 0.7
23:45–01:15 M31 1.5 0.48
01:15–02:45 M33 1.5 0.38
02:45–04:20 M45 1.58 0.39
04:20–05:20 M42 1.0 0.39
05:20–07:00 — nothing worth pointing at — 1.67

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 80 unknown 21:20–21:25 (good) 89.7° at 02:50 38.4° 1.5
M42 Great Orion Nebula 7 unknown 04:20–05:20 (marginal) 42.9° at 07:45 62.1° 1.0
M45 Seven Sisters 21 unknown 00:55–05:20 (marginal) 72.5° at 05:55 38.4° 1.58
NGC 7000 North America Nebula 100 unknown 21:20–02:00 (good) 87.2° at 23:05 71.2° 1.5
V1057 Cyg 100 unknown 21:20–02:00 (good) 87.3° at 23:05 71.1° 1.5
M33 Triangulum Pinwheel 33 unknown 22:00–05:20 (marginal) 79.1° at 03:40 26.4° 1.5
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2036-09-08"

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"}.