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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 Monday, 27 November 2028 · astronomical night 18:31 → 05:47 (11.27 h) · Moon 84% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:35: quality 0.2M31 18:35–01:30: quality 0.4M31 01:30–02:15: quality 0.5M31 02:15–02:50: quality 0.4M31 02:50–03:20: quality 0.3observe M31 01:55–03:05M42M42 21:45–22:10: quality 0.3M42 22:10–22:35: quality 0.4M42 22:35–23:55: quality 0.5M42 23:55–03:05: quality 0.6M42 03:05–03:35: quality 0.7M42 03:35–03:45: quality 0.6M42 03:45–04:20: quality 0.8M42 04:20–04:40: quality 0.7M42 04:40–04:55: quality 0.6M42 04:55–05:10: quality 0.5M42 05:10–05:20: quality 0.4observe M42 00:05–01:55observe M42 03:20–05:20M45M45 18:05–18:35: quality 0.1M45 18:35–18:55: quality 0.3M45 18:55–22:10: quality 0.4M45 22:10–01:00: quality 0.5M45 01:00–03:45: quality 0.6M45 03:45–04:30: quality 0.8M45 04:30–04:45: quality 0.7M45 04:45–04:55: quality 0.6M45 04:55–05:10: quality 0.5M45 05:10–05:20: quality 0.4observe M45 22:15–00:05NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–19:45: quality 0.6NGC 7000 19:45–22:40: quality 0.5NGC 7000 22:40–23:10: quality 0.4NGC 7000 23:10–23:45: quality 0.3NGC 7000 23:45–23:50: quality 0.2observe NGC 7000 18:35–20:25V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–19:45: quality 0.6V1057 Cyg 19:45–22:40: quality 0.5V1057 Cyg 22:40–23:10: quality 0.4V1057 Cyg 23:10–23:45: quality 0.3V1057 Cyg 23:45–23:50: quality 0.2observe V1057 Cyg 20:25–22:15M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–00:15: quality 0.4M33 00:15–02:40: quality 0.5M33 02:40–03:05: quality 0.4M33 03:05–03:30: quality 0.3observe M33 03:05–03:20scheduleNGC 7000V1057 CygM45M42M31M4218:0020:0022:0000:0002:0004:0006:00

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
16:50–18:35 — nothing worth pointing at — 1.75
18:35–20:25 NGC 7000 1.83 0.55
20:25–22:15 V1057 Cyg 1.83 0.49
22:15–00:05 M45 1.83 0.48
00:05–01:55 M42 1.83 0.6
01:55–03:05 M31 1.17 0.4
03:05–03:20 M33 0.25 0.32
03:20–05:20 M42 2.0 0.66
05:20–07:30 — nothing worth pointing at — 2.17

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 42 unknown 18:35–03:05 (marginal) 89.6° at 20:35 29.4° 1.17
M42 Great Orion Nebula 82 unknown 01:00–04:45 (good) 42.9° at 01:30 70.3° 3.83
M45 Seven Sisters 84 unknown 03:45–04:50 (good) 72.5° at 23:40 40.8° 1.83
NGC 7000 North America Nebula 39 unknown 18:35–23:30 (marginal) 87.2° at 16:55 60.7° 1.83
V1057 Cyg 39 unknown 18:35–23:30 (marginal) 87.3° at 16:55 60.6° 1.83
M33 Triangulum Pinwheel 45 unknown 18:35–03:20 (marginal) 79.1° at 21:30 20.0° 0.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-11-27"

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"}.