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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, 09 November 2028 · astronomical night 18:41 → 05:28 (10.79 h) · Moon 50% (last quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:10: quality 0.1M31 18:10–18:45: quality 0.5M31 18:45–23:45: quality 1.0M31 23:45–01:35: quality 0.9M31 01:35–03:00: quality 0.8M31 03:00–03:35: quality 0.7M31 03:35–03:55: quality 0.6M31 03:55–04:10: quality 0.5M31 04:10–04:30: quality 0.4observe M31 22:10–00:10M42M42 22:55–23:00: quality 0.4M42 23:00–23:15: quality 0.5M42 23:15–23:35: quality 0.6M42 23:35–23:45: quality 0.7M42 23:45–23:55: quality 0.6M42 23:55–03:55: quality 0.7M42 03:55–05:30: quality 0.6M42 05:30–05:45: quality 0.3M42 05:45–06:05: quality 0.2M42 06:05–06:20: quality 0.1observe M42 04:10–05:30M45M45 19:15–19:25: quality 0.4M45 19:25–19:40: quality 0.5M45 19:40–19:50: quality 0.6M45 19:50–20:05: quality 0.7M45 20:05–20:50: quality 0.8M45 20:50–22:15: quality 0.9M45 22:15–23:45: quality 1.0M45 23:45–01:35: quality 0.9M45 01:35–03:55: quality 0.8M45 03:55–05:20: quality 0.7M45 05:20–05:30: quality 0.6M45 05:30–05:55: quality 0.3M45 05:55–06:05: quality 0.2M45 06:05–06:25: quality 0.1observe M45 02:10–04:10observe M45 05:30–05:40NGC 7000NGC 7000 17:40–18:10: quality 0.2NGC 7000 18:10–18:45: quality 0.5NGC 7000 18:45–21:35: quality 1.0NGC 7000 21:35–23:05: quality 0.9NGC 7000 23:05–23:55: quality 0.8NGC 7000 23:55–00:10: quality 0.7NGC 7000 00:10–00:30: quality 0.6NGC 7000 00:30–00:45: quality 0.5NGC 7000 00:45–01:00: quality 0.4observe NGC 7000 18:10–20:10V1057 CygV1057 Cyg 17:40–18:10: quality 0.2V1057 Cyg 18:10–18:45: quality 0.5V1057 Cyg 18:45–21:35: quality 1.0V1057 Cyg 21:35–23:05: quality 0.9V1057 Cyg 23:05–23:55: quality 0.8V1057 Cyg 23:55–00:10: quality 0.7V1057 Cyg 00:10–00:25: quality 0.6V1057 Cyg 00:25–00:45: quality 0.5V1057 Cyg 00:45–01:00: quality 0.4observe V1057 Cyg 20:10–22:10M33M33 17:40–18:10: quality 0.1M33 18:10–18:45: quality 0.4M33 18:45–19:40: quality 0.9M33 19:40–23:45: quality 1.0M33 23:45–01:50: quality 0.9M33 01:50–03:10: quality 0.8M33 03:10–03:50: quality 0.7M33 03:50–04:10: quality 0.6M33 04:10–04:25: quality 0.5M33 04:25–04:40: quality 0.4observe M33 00:10–02:10scheduleNGC 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
17:05–18:10 — nothing worth pointing at — 1.08
18:10–20:10 NGC 7000 2.0 0.85
20:10–22:10 V1057 Cyg 2.0 0.97
22:10–00:10 M31 2.0 0.99
00:10–02:10 M33 2.0 0.89
02:10–04:10 M45 2.0 0.8
04:10–05:30 M42 1.33 0.61
05:30–05:40 M45 0.17 0.31
05:40–07:05 — nothing worth pointing at — 1.42

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:45–03:45 (good) 89.5° at 21:45 108.6° 2.0
M42 Great Orion Nebula 71 unknown 23:25–05:05 (good) 42.9° at 02:40 58.6° 1.33
M45 Seven Sisters 100 unknown 19:45–05:30 (good) 72.5° at 00:50 78.9° 2.17
NGC 7000 North America Nebula 100 unknown 18:45–00:20 (good) 87.2° at 18:05 122.8° 2.0
V1057 Cyg 100 unknown 18:45–00:20 (good) 87.3° at 18:05 122.9° 2.0
M33 Triangulum Pinwheel 100 unknown 18:45–04:00 (good) 79.1° at 22:40 105.2° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-11-09"

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"}.