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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 Thursday, 11 October 2046 · astronomical night 20:18 → 05:57 (9.65 h) · Moon 92% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:15–19:50: quality 0.1M31 19:50–20:20: quality 0.2M31 20:20–02:05: quality 0.5M31 02:05–04:55: quality 0.6M31 04:55–05:35: quality 0.9M31 05:35–06:00: quality 0.8M31 06:00–06:30: quality 0.4M31 06:30–07:05: quality 0.1observe M31 01:35–03:20M42M42 01:50–01:55: quality 0.3M42 01:55–02:15: quality 0.4M42 02:15–02:35: quality 0.5M42 02:35–03:00: quality 0.6M42 03:00–04:50: quality 0.7M42 04:50–04:55: quality 0.8M42 04:55–06:00: quality 0.9M42 06:00–06:30: quality 0.4M42 06:30–07:05: quality 0.1observe M42 03:20–05:05M45M45 22:15–22:35: quality 0.3M45 22:35–23:00: quality 0.4M45 23:00–00:10: quality 0.5M45 00:10–01:40: quality 0.6M45 01:40–04:15: quality 0.7M45 04:15–04:55: quality 0.8M45 04:55–06:00: quality 1.0M45 06:00–06:30: quality 0.5M45 06:30–07:05: quality 0.1observe M45 23:50–01:35NGC 7000NGC 7000 19:15–19:50: quality 0.1NGC 7000 19:50–20:20: quality 0.3NGC 7000 20:20–20:35: quality 0.6NGC 7000 20:35–02:55: quality 0.5NGC 7000 02:55–03:30: quality 0.4NGC 7000 03:30–03:55: quality 0.3observe NGC 7000 20:20–22:05V1057 CygV1057 Cyg 19:15–19:50: quality 0.1V1057 Cyg 19:50–20:20: quality 0.3V1057 Cyg 20:20–20:35: quality 0.6V1057 Cyg 20:35–02:55: quality 0.5V1057 Cyg 02:55–03:30: quality 0.4V1057 Cyg 03:30–03:55: quality 0.3observe V1057 Cyg 22:05–23:50M33M33 19:50–20:00: quality 0.1M33 20:00–20:20: quality 0.2M33 20:20–22:15: quality 0.4M33 22:15–02:05: quality 0.5M33 02:05–04:55: quality 0.6M33 04:55–06:00: quality 0.9M33 06:00–06:30: quality 0.4M33 06:30–07:05: quality 0.1observe M33 05:05–06:30scheduleNGC 7000V1057 CygM45M31M42M3320:0022:0000:0002:0004:0006:00

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
18:45–20:20 — nothing worth pointing at — 1.58
20:20–22:05 NGC 7000 1.75 0.53
22:05–23:50 V1057 Cyg 1.75 0.51
23:50–01:35 M45 1.75 0.58
01:35–03:20 M31 1.75 0.57
03:20–05:05 M42 1.75 0.73
05:05–06:30 M33 1.42 0.72
06:30–07:30 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 89 unknown 03:10–06:00 (good) 89.7° at 00:45 49.6° 1.75
M42 Great Orion Nebula 70 unknown 02:45–06:00 (good) 42.9° at 05:35 98.3° 1.75
M45 Seven Sisters 100 unknown 01:00–06:00 (good) 72.6° at 03:45 74.2° 1.75
NGC 7000 North America Nebula 54 unknown 20:20–03:45 (marginal) 87.2° at 21:00 54.2° 1.75
V1057 Cyg 54 unknown 20:20–03:45 (marginal) 87.3° at 21:00 54.1° 1.75
M33 Triangulum Pinwheel 93 unknown 03:10–06:00 (good) 79.2° at 01:35 49.3° 1.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2046-10-11"

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"}.