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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, 12 October 2035 · astronomical night 20:17 → 05:58 (9.68 h) · Moon 81% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:15–19:50: quality 0.1M31 19:50–20:20: quality 0.3M31 20:20–23:05: quality 0.6M31 23:05–02:40: quality 0.7M31 02:40–03:15: quality 0.8M31 03:15–04:05: quality 1.0M31 04:05–05:30: quality 0.9M31 05:30–06:00: quality 0.8M31 06:00–06:35: quality 0.4M31 06:35–07:05: quality 0.1observe M31 21:40–23:30M42M42 01:45–02:05: quality 0.4M42 02:05–02:20: quality 0.5M42 02:20–02:40: quality 0.6M42 02:40–03:15: quality 0.7M42 03:15–03:55: quality 0.8M42 03:55–06:00: quality 0.9M42 06:00–06:35: quality 0.4M42 06:35–07:05: quality 0.1observe M42 03:45–05:35M45M45 22:10–22:20: quality 0.3M45 22:20–22:35: quality 0.4M45 22:35–22:55: quality 0.5M45 22:55–23:35: quality 0.6M45 23:35–01:00: quality 0.7M45 01:00–03:15: quality 0.8M45 03:15–06:00: quality 1.0M45 06:00–06:35: quality 0.5M45 06:35–07:05: quality 0.1observe M45 01:20–03:10observe M45 05:35–06:35NGC 7000NGC 7000 19:15–19:50: quality 0.1NGC 7000 19:50–20:20: quality 0.3NGC 7000 20:20–02:50: quality 0.6NGC 7000 02:50–03:15: quality 0.5NGC 7000 03:15–03:25: quality 0.6NGC 7000 03:25–03:45: quality 0.5NGC 7000 03:45–03:50: quality 0.4observe NGC 7000 19:50–21:40V1057 CygV1057 Cyg 19:15–19:50: quality 0.1V1057 Cyg 19:50–20:20: quality 0.3V1057 Cyg 20:20–02:50: quality 0.6V1057 Cyg 02:50–03:15: quality 0.5V1057 Cyg 03:15–03:25: quality 0.6V1057 Cyg 03:25–03:45: quality 0.5V1057 Cyg 03:45–03:50: quality 0.4observe V1057 Cyg 03:10–03:45M33M33 19:50–20:20: quality 0.2M33 20:20–21:05: quality 0.5M33 21:05–23:05: quality 0.6M33 23:05–02:30: quality 0.7M33 02:30–03:15: quality 0.8M33 03:15–04:35: quality 1.0M33 04:35–05:55: quality 0.9M33 05:55–06:00: quality 0.8M33 06:00–06:35: quality 0.4M33 06:35–07:05: quality 0.1observe M33 23:30–01:20scheduleNGC 7000M31M33M45M42M4520:0022:0000:0002:0004:0006:00

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
18:45–19:50 — nothing worth pointing at — 1.08
19:50–21:40 NGC 7000 1.83 0.53
21:40–23:30 M31 1.83 0.65
23:30–01:20 M33 1.83 0.68
01:20–03:10 M45 1.83 0.82
03:10–03:45 V1057 Cyg 0.58 0.51
03:45–05:35 M42 1.83 0.87
05:35–06:35 M45 1.0 0.69
06:35–07:35 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 21:00–06:00 (good) 89.7° at 00:40 64.6° 1.83
M42 Great Orion Nebula 80 unknown 02:30–06:00 (good) 42.9° at 05:30 111.8° 1.83
M45 Seven Sisters 100 unknown 23:00–06:00 (good) 72.5° at 03:45 91.4° 2.83
NGC 7000 North America Nebula 63 unknown 20:20–01:20 (good) 87.2° at 20:55 57.6° 1.83
V1057 Cyg 63 unknown 20:20–01:20 (good) 87.3° at 20:55 57.5° 0.58
M33 Triangulum Pinwheel 100 unknown 22:10–06:00 (good) 79.1° at 01:30 66.2° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2035-10-12"

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"}.