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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, 19 October 2043 · astronomical night 20:06 → 06:05 (9.99 h) · Moon 97% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:05–19:35: quality 0.1M31 19:35–19:55: quality 0.3M31 19:55–20:10: quality 0.2M31 20:10–21:40: quality 0.5M31 21:40–23:30: quality 0.4M31 23:30–06:10: quality 0.3M31 06:10–06:40: quality 0.1observe M31 00:05–00:50M42M42 01:20–02:00: quality 0.2M42 02:00–04:25: quality 0.3M42 04:25–06:10: quality 0.4M42 06:10–06:40: quality 0.2M42 06:40–07:15: quality 0.1observe M42 02:35–04:50M45M45 21:45–22:15: quality 0.2M45 22:15–06:10: quality 0.3M45 06:10–06:40: quality 0.2M45 06:40–07:15: quality 0.1observe M45 04:50–06:10NGC 7000NGC 7000 19:05–19:35: quality 0.1NGC 7000 19:35–20:10: quality 0.4NGC 7000 20:10–21:50: quality 0.7NGC 7000 21:50–00:00: quality 0.6NGC 7000 00:00–01:55: quality 0.5NGC 7000 01:55–02:45: quality 0.4NGC 7000 02:45–03:15: quality 0.3NGC 7000 03:15–03:25: quality 0.2observe NGC 7000 19:35–21:25observe NGC 7000 00:50–02:35V1057 CygV1057 Cyg 19:05–19:35: quality 0.1V1057 Cyg 19:35–20:10: quality 0.4V1057 Cyg 20:10–21:50: quality 0.7V1057 Cyg 21:50–00:00: quality 0.6V1057 Cyg 00:00–01:55: quality 0.5V1057 Cyg 01:55–02:45: quality 0.4V1057 Cyg 02:45–03:15: quality 0.3V1057 Cyg 03:15–03:25: quality 0.2observe V1057 Cyg 21:25–23:15M33M33 19:35–20:10: quality 0.2M33 20:10–23:00: quality 0.4M33 23:00–06:10: quality 0.3M33 06:10–06:40: quality 0.1observe M33 23:15–00:05scheduleNGC 7000V1057 CygM33M31NGC 7000M42M4520:0022:0000:0002:0004:0006:00

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
18:30–19:35 — nothing worth pointing at — 1.08
19:35–21:25 NGC 7000 1.83 0.59
21:25–23:15 V1057 Cyg 1.83 0.63
23:15–00:05 M33 0.83 0.32
00:05–00:50 M31 0.75 0.31
00:50–02:35 NGC 7000 1.75 0.46
02:35–04:50 M42 2.25 0.33
04:50–06:10 M45 1.33 0.32
06:10–07:40 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 45 unknown 20:10–00:50 (marginal) 89.6° at 00:15 34.2° 0.75
M42 Great Orion Nebula 17 unknown 02:35–06:10 (marginal) 42.9° at 05:05 47.9° 2.25
M45 Seven Sisters 21 unknown 04:50–06:10 (marginal) 72.6° at 03:15 13.5° 1.33
NGC 7000 North America Nebula 72 unknown 20:10–23:15 (good) 87.2° at 20:30 74.5° 3.58
V1057 Cyg 72 unknown 20:10–23:15 (good) 87.3° at 20:30 74.5° 1.83
M33 Triangulum Pinwheel 35 unknown 20:10–00:05 (marginal) 79.2° at 01:05 20.1° 0.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2043-10-19"

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"}.