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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, 02 October 2028 · astronomical night 20:32 → 05:47 (9.25 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:30–20:05: quality 0.1M31 20:05–20:35: quality 0.2M31 20:35–23:15: quality 0.4M31 23:15–01:55: quality 0.3M31 01:55–04:45: quality 0.4M31 04:45–05:50: quality 0.5M31 05:50–06:25: quality 0.2M31 06:25–06:55: quality 0.1observe M31 01:35–03:15M42M42 02:25–02:45: quality 0.3M42 02:45–03:05: quality 0.4M42 03:05–03:40: quality 0.5M42 03:40–05:30: quality 0.6M42 05:30–05:50: quality 0.7M42 05:50–06:25: quality 0.3M42 06:25–06:55: quality 0.1observe M42 03:15–04:55observe M42 05:50–06:25M45M45 22:45–23:05: quality 0.2M45 23:05–23:35: quality 0.3M45 23:35–01:45: quality 0.4M45 01:45–04:10: quality 0.5M45 04:10–05:50: quality 0.6M45 05:50–06:25: quality 0.3M45 06:25–06:55: quality 0.1observe M45 23:55–01:35NGC 7000NGC 7000 19:30–20:05: quality 0.1NGC 7000 20:05–20:35: quality 0.3NGC 7000 20:35–20:50: quality 0.6NGC 7000 20:50–00:15: quality 0.5NGC 7000 00:15–03:40: quality 0.4NGC 7000 03:40–04:15: quality 0.3NGC 7000 04:15–04:30: quality 0.2observe NGC 7000 20:35–22:15V1057 CygV1057 Cyg 19:30–20:05: quality 0.1V1057 Cyg 20:05–20:35: quality 0.3V1057 Cyg 20:35–20:50: quality 0.6V1057 Cyg 20:50–00:10: quality 0.5V1057 Cyg 00:10–03:40: quality 0.4V1057 Cyg 03:40–04:15: quality 0.3V1057 Cyg 04:15–04:30: quality 0.2observe V1057 Cyg 22:15–23:55M33M33 20:10–20:35: quality 0.1M33 20:35–02:40: quality 0.3M33 02:40–04:45: quality 0.4M33 04:45–05:50: quality 0.5M33 05:50–06:25: quality 0.2M33 06:25–06:55: quality 0.1observe M33 04:55–05:50scheduleNGC 7000V1057 CygM45M31M42M3320:0022:0000:0002:0004:0006:00

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
19:00–20:35 — nothing worth pointing at — 1.58
20:35–22:15 NGC 7000 1.67 0.52
22:15–23:55 V1057 Cyg 1.67 0.47
23:55–01:35 M45 1.67 0.41
01:35–03:15 M31 1.67 0.37
03:15–04:55 M42 1.67 0.57
04:55–05:50 M33 0.92 0.47
05:50–06:25 M42 0.58 0.34
06:25–07:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 46 unknown 20:35–05:50 (marginal) 89.6° at 01:15 37.4° 1.67
M42 Great Orion Nebula 35 unknown 04:35–05:50 (good) 42.9° at 06:10 84.5° 2.25
M45 Seven Sisters 56 unknown 05:10–05:50 (good) 72.5° at 04:20 57.7° 1.67
NGC 7000 North America Nebula 51 unknown 20:35–04:00 (marginal) 87.2° at 21:35 55.6° 1.67
V1057 Cyg 51 unknown 20:35–04:00 (marginal) 87.3° at 21:35 55.5° 1.67
M33 Triangulum Pinwheel 42 unknown 20:55–05:50 (marginal) 79.1° at 02:10 33.8° 0.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-10-02"

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"}.