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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 Sunday, 14 November 2027 · astronomical night 18:38 → 05:33 (10.92 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.1M31 18:10–18:40: quality 0.3M31 18:40–20:25: quality 0.5M31 20:25–22:35: quality 0.4M31 22:35–03:25: quality 0.3M31 03:25–04:10: quality 0.2observe M31 22:00–23:30observe M31 00:20–00:55M42M42 22:35–22:50: quality 0.1M42 22:50–01:20: quality 0.2M42 01:20–05:35: quality 0.3M42 05:35–06:10: quality 0.1observe M42 03:35–05:05observe M42 05:20–05:30M45M45 19:00–19:25: quality 0.2M45 19:25–23:05: quality 0.3M45 23:05–02:30: quality 0.2M45 02:30–05:35: quality 0.3M45 05:35–06:10: quality 0.1observe M45 05:05–05:20NGC 7000NGC 7000 17:35–18:10: quality 0.1NGC 7000 18:10–18:40: quality 0.4NGC 7000 18:40–20:40: quality 0.7NGC 7000 20:40–22:10: quality 0.6NGC 7000 22:10–23:40: quality 0.5NGC 7000 23:40–00:05: quality 0.4NGC 7000 00:05–00:35: quality 0.3NGC 7000 00:35–00:40: quality 0.2observe NGC 7000 18:10–19:40observe NGC 7000 23:30–00:20V1057 CygV1057 Cyg 17:35–18:10: quality 0.1V1057 Cyg 18:10–18:40: quality 0.4V1057 Cyg 18:40–20:40: quality 0.7V1057 Cyg 20:40–22:10: quality 0.6V1057 Cyg 22:10–23:40: quality 0.5V1057 Cyg 23:40–00:05: quality 0.4V1057 Cyg 00:05–00:35: quality 0.3V1057 Cyg 00:35–00:40: quality 0.2observe V1057 Cyg 19:40–21:10M33M33 17:35–18:10: quality 0.1M33 18:10–18:40: quality 0.2M33 18:40–21:00: quality 0.4M33 21:00–23:35: quality 0.3M33 23:35–04:15: quality 0.2M33 04:15–04:25: quality 0.1observe M33 21:10–22:00scheduleNGC 7000V1057 CygM33M31NGC 7000M4218:0020:0022:0000:0002:0004:0006:00

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
18:10–19:40 NGC 7000 1.5 0.6
19:40–21:10 V1057 Cyg 1.5 0.66
21:10–22:00 M33 0.83 0.32
22:00–23:30 M31 1.5 0.35
23:30–00:20 NGC 7000 0.83 0.39
00:20–00:55 M31 0.58 0.31
00:55–03:35 — nothing worth pointing at — 2.67
03:35–05:05 M42 1.5 0.32
05:05–05:20 M45 0.25 0.3
05:20–05:30 M42 0.17 0.31
05:30–07:10 — nothing worth pointing at — 1.67

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 48 unknown 18:40–00:55 (marginal) 89.7° at 21:30 43.1° 2.08
M42 Great Orion Nebula 16 unknown 03:35–05:30 (marginal) 42.9° at 02:20 38.7° 1.67
M45 Seven Sisters 23 unknown 19:45–21:00 (marginal) 72.5° at 00:35 2.5° 0.25
NGC 7000 North America Nebula 66 unknown 18:40–21:25 (good) 87.2° at 17:45 82.3° 2.33
V1057 Cyg 66 unknown 18:40–21:25 (good) 87.3° at 17:45 82.3° 1.5
M33 Triangulum Pinwheel 33 unknown 18:40–22:00 (marginal) 79.1° at 22:20 31.9° 0.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2027-11-14"

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"}.