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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 Friday, 27 October 2045 · astronomical night 19:55 → 06:14 (10.33 h) · Moon 95% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:55–19:25: quality 0.1M31 19:25–20:00: quality 0.3M31 20:00–20:15: quality 0.6M31 20:15–22:30: quality 0.5M31 22:30–00:55: quality 0.4M31 00:55–05:40: quality 0.3M31 05:40–06:15: quality 0.2M31 06:15–06:20: quality 0.1observe M31 00:20–02:10observe M31 02:30–03:50M42M42 00:45–00:50: quality 0.1M42 00:50–01:45: quality 0.2M42 01:45–06:15: quality 0.3M42 06:15–06:50: quality 0.2M42 06:50–07:20: quality 0.1observe M42 04:10–06:00M45M45 21:10–21:30: quality 0.2M45 21:30–06:15: quality 0.3M45 06:15–06:50: quality 0.2observe M45 06:00–06:15NGC 7000NGC 7000 18:55–19:00: quality 0.2NGC 7000 19:00–19:25: quality 0.1NGC 7000 19:25–20:00: quality 0.4NGC 7000 20:00–20:05: quality 0.8NGC 7000 20:05–22:50: quality 0.7NGC 7000 22:50–00:15: quality 0.6NGC 7000 00:15–01:50: quality 0.5NGC 7000 01:50–02:15: quality 0.4NGC 7000 02:15–02:45: quality 0.3NGC 7000 02:45–02:50: quality 0.2observe NGC 7000 19:25–21:15observe NGC 7000 02:10–02:30V1057 CygV1057 Cyg 18:55–19:00: quality 0.2V1057 Cyg 19:00–19:25: quality 0.1V1057 Cyg 19:25–20:00: quality 0.4V1057 Cyg 20:00–20:05: quality 0.8V1057 Cyg 20:05–22:50: quality 0.7V1057 Cyg 22:50–00:15: quality 0.6V1057 Cyg 00:15–01:50: quality 0.5V1057 Cyg 01:50–02:15: quality 0.4V1057 Cyg 02:15–02:45: quality 0.3V1057 Cyg 02:45–02:50: quality 0.2observe V1057 Cyg 21:15–23:05M33M33 18:55–19:25: quality 0.1M33 19:25–20:00: quality 0.2M33 20:00–20:40: quality 0.5M33 20:40–23:15: quality 0.4M33 23:15–03:10: quality 0.3M33 03:10–05:10: quality 0.2M33 05:10–05:40: quality 0.3M33 05:40–06:15: quality 0.2M33 06:15–06:30: quality 0.1observe M33 23:05–00:20scheduleNGC 7000V1057 CygM33M31M31M4220:0022:0000:0002:0004:0006:00

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
18:20–19:25 — nothing worth pointing at — 1.08
19:25–21:15 NGC 7000 1.83 0.62
21:15–23:05 V1057 Cyg 1.83 0.67
23:05–00:20 M33 1.25 0.33
00:20–02:10 M31 1.83 0.34
02:10–02:30 NGC 7000 0.33 0.34
02:30–03:50 M31 1.33 0.31
03:50–04:10 — nothing worth pointing at — 0.33
04:10–06:00 M42 1.83 0.32
06:00–06:15 M45 0.25 0.31
06:15–07:50 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 55 unknown 20:00–03:50 (marginal) 89.8° at 23:40 40.8° 3.17
M42 Great Orion Nebula 15 unknown 04:10–06:15 (marginal) 42.9° at 04:30 40.6° 1.83
M45 Seven Sisters 22 unknown 21:50–23:50 (marginal) 72.6° at 02:45 0.9° 0.25
NGC 7000 North America Nebula 75 unknown 20:00–23:30 (good) 87.2° at 19:55 80.4° 2.17
V1057 Cyg 75 unknown 20:00–23:30 (good) 87.3° at 19:55 80.4° 1.83
M33 Triangulum Pinwheel 39 unknown 20:00–00:20 (marginal) 79.2° at 00:30 29.2° 1.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2045-10-27"

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"}.