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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, 13 November 2033 · astronomical night 18:38 → 05:32 (10.91 h) · Moon 49% (last quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.1M31 18:10–18:40: quality 0.5M31 18:40–23:55: quality 1.0M31 23:55–01:30: quality 0.9M31 01:30–02:55: quality 0.8M31 02:55–03:25: quality 0.7M31 03:25–03:40: quality 0.6M31 03:40–04:00: quality 0.5M31 04:00–04:15: quality 0.4observe M31 22:00–23:55M42M42 22:40–22:45: quality 0.4M42 22:45–23:00: quality 0.5M42 23:00–23:20: quality 0.6M42 23:20–23:35: quality 0.7M42 23:35–23:55: quality 0.8M42 23:55–04:05: quality 0.7M42 04:05–05:20: quality 0.6M42 05:20–05:35: quality 0.5M42 05:35–06:10: quality 0.2observe M42 03:45–05:35M45M45 19:05–19:10: quality 0.4M45 19:10–19:25: quality 0.5M45 19:25–19:35: quality 0.6M45 19:35–19:50: quality 0.7M45 19:50–20:35: quality 0.8M45 20:35–22:00: quality 0.9M45 22:00–23:55: quality 1.0M45 23:55–02:20: quality 0.9M45 02:20–03:55: quality 0.8M45 03:55–05:20: quality 0.7M45 05:20–05:35: quality 0.6M45 05:35–05:45: quality 0.3M45 05:45–06:10: quality 0.2M45 06:10–06:15: quality 0.1observe M45 01:50–03:45NGC 7000NGC 7000 17:35–18:10: quality 0.2NGC 7000 18:10–18:40: quality 0.5NGC 7000 18:40–21:20: quality 1.0NGC 7000 21:20–22:50: quality 0.9NGC 7000 22:50–23:45: quality 0.8NGC 7000 23:45–23:55: quality 0.7NGC 7000 23:55–00:15: quality 0.6NGC 7000 00:15–00:30: quality 0.5NGC 7000 00:30–00:45: quality 0.4observe NGC 7000 18:10–20:05V1057 CygV1057 Cyg 17:35–18:10: quality 0.2V1057 Cyg 18:10–18:40: quality 0.5V1057 Cyg 18:40–21:20: quality 1.0V1057 Cyg 21:20–22:50: quality 0.9V1057 Cyg 22:50–23:45: quality 0.8V1057 Cyg 23:45–23:55: quality 0.7V1057 Cyg 23:55–00:15: quality 0.6V1057 Cyg 00:15–00:30: quality 0.5V1057 Cyg 00:30–00:45: quality 0.4observe V1057 Cyg 20:05–22:00M33M33 17:35–18:10: quality 0.1M33 18:10–18:40: quality 0.4M33 18:40–19:25: quality 0.9M33 19:25–23:55: quality 1.0M33 23:55–01:50: quality 0.9M33 01:50–03:10: quality 0.8M33 03:10–03:40: quality 0.7M33 03:40–03:55: quality 0.6M33 03:55–04:10: quality 0.5M33 04:10–04:25: quality 0.4observe M33 23:55–01:50scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
18:10–20:05 NGC 7000 1.92 0.87
20:05–22:00 V1057 Cyg 1.92 0.96
22:00–23:55 M31 1.92 1.0
23:55–01:50 M33 1.92 0.91
01:50–03:45 M45 1.92 0.82
03:45–05:35 M42 1.83 0.61
05:35–07:10 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:40–03:35 (good) 89.5° at 21:35 112.9° 1.92
M42 Great Orion Nebula 81 unknown 23:10–05:05 (good) 42.9° at 02:25 61.8° 1.83
M45 Seven Sisters 100 unknown 19:30–05:30 (good) 72.5° at 00:35 83.3° 1.92
NGC 7000 North America Nebula 100 unknown 18:40–00:05 (good) 87.2° at 17:50 124.8° 1.92
V1057 Cyg 100 unknown 18:40–00:05 (good) 87.3° at 17:50 124.9° 1.92
M33 Triangulum Pinwheel 100 unknown 18:40–03:45 (good) 79.1° at 22:25 109.7° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2033-11-13"

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"}.