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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 Friday, 13 November 2043 · astronomical night 18:38 → 05:32 (10.9 h) · Moon 87% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.1M31 18:10–18:40: quality 0.2M31 18:40–19:15: quality 0.5M31 19:15–23:35: quality 0.4M31 23:35–03:30: quality 0.5M31 03:30–03:50: quality 0.4M31 03:50–04:10: quality 0.5M31 04:10–04:15: quality 0.4observe M31 02:20–03:50M42M42 22:40–23:05: quality 0.3M42 23:05–23:25: quality 0.4M42 23:25–00:15: quality 0.5M42 00:15–02:15: quality 0.6M42 02:15–03:50: quality 0.7M42 03:50–04:10: quality 0.9M42 04:10–05:20: quality 0.8M42 05:20–05:35: quality 0.7M42 05:35–06:00: quality 0.3M42 06:00–06:10: quality 0.2M42 06:10–06:15: quality 0.1observe M42 00:20–02:20M45M45 19:05–19:15: quality 0.2M45 19:15–19:45: quality 0.3M45 19:45–21:40: quality 0.4M45 21:40–00:30: quality 0.5M45 00:30–02:45: quality 0.6M45 02:45–03:50: quality 0.7M45 03:50–04:40: quality 0.9M45 04:40–05:30: quality 0.8M45 05:30–05:35: quality 0.7M45 05:35–06:05: quality 0.3M45 06:05–06:10: quality 0.2M45 06:10–06:15: quality 0.1observe M45 22:20–00:20observe M45 04:25–05:50NGC 7000NGC 7000 17:35–18:10: quality 0.1NGC 7000 18:10–18:40: quality 0.3NGC 7000 18:40–20:45: quality 0.6NGC 7000 20:45–23:40: quality 0.5NGC 7000 23:40–00:15: quality 0.4NGC 7000 00:15–00:45: quality 0.3observe NGC 7000 18:10–18:30observe NGC 7000 18:40–20:20V1057 CygV1057 Cyg 17:35–18:10: quality 0.1V1057 Cyg 18:10–18:40: quality 0.3V1057 Cyg 18:40–20:45: quality 0.6V1057 Cyg 20:45–23:40: quality 0.5V1057 Cyg 23:40–00:15: quality 0.4V1057 Cyg 00:15–00:45: quality 0.3observe V1057 Cyg 20:20–22:20M33M33 17:35–18:10: quality 0.1M33 18:10–18:40: quality 0.2M33 18:40–00:25: quality 0.4M33 00:25–03:45: quality 0.5M33 03:45–03:50: quality 0.4M33 03:50–04:05: quality 0.6M33 04:05–04:20: quality 0.5M33 04:20–04:25: quality 0.4observe M33 03:50–04:25scheduleNGC 7000V1057 CygM45M42M31M4518:0020:0022:0000:0002:0004:0006:00

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
17:00–18:10 — nothing worth pointing at — 1.17
18:10–18:30 NGC 7000 0.33 0.3
18:30–18:40 — nothing worth pointing at — 0.17
18:40–20:20 NGC 7000 1.67 0.57
20:20–22:20 V1057 Cyg 2.0 0.52
22:20–00:20 M45 2.0 0.51
00:20–02:20 M42 2.0 0.61
02:20–03:50 M31 1.5 0.48
03:50–04:25 M33 0.58 0.54
04:25–05:50 M45 1.42 0.73
05:50–07:10 — nothing worth pointing at — 1.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 55 unknown 18:40–04:15 (marginal) 89.8° at 21:35 36.5° 1.5
M42 Great Orion Nebula 86 unknown 01:10–05:35 (good) 42.9° at 02:25 75.8° 2.0
M45 Seven Sisters 91 unknown 01:40–05:35 (good) 72.6° at 00:40 49.9° 3.42
NGC 7000 North America Nebula 48 unknown 18:40–00:30 (marginal) 87.2° at 17:50 61.4° 2.0
V1057 Cyg 48 unknown 18:40–00:30 (marginal) 87.3° at 17:50 61.4° 2.0
M33 Triangulum Pinwheel 64 unknown 03:50–04:00 (good) 79.2° at 22:25 29.3° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2043-11-13"

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"}.