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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 Thursday, 03 October 2047 · astronomical night 20:32 → 05:48 (9.27 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:30–20:00: quality 0.1M31 20:00–20:35: quality 0.2M31 20:35–22:15: quality 0.4M31 22:15–03:40: quality 0.3M31 03:40–05:50: quality 0.4M31 05:50–06:25: quality 0.2M31 06:25–06:55: quality 0.1observe M31 02:15–03:25M42M42 02:25–02:50: quality 0.3M42 02:50–03:15: quality 0.4M42 03:15–04:35: quality 0.5M42 04:35–05:50: quality 0.6M42 05:50–06:25: quality 0.3M42 06:25–06:55: quality 0.1observe M42 03:25–05:10observe M42 05:50–06:25M45M45 22:45–23:10: quality 0.2M45 23:10–00:45: quality 0.3M45 00:45–03:40: quality 0.4M45 03:40–05:45: quality 0.5M45 05:45–05:50: quality 0.6M45 05:50–06:25: quality 0.3M45 06:25–06:55: quality 0.1observe M45 23:50–02:15NGC 7000NGC 7000 19:30–20:00: quality 0.1NGC 7000 20:00–20:35: quality 0.3NGC 7000 20:35–21:15: quality 0.6NGC 7000 21:15–00:25: quality 0.5NGC 7000 00:25–03:35: quality 0.4NGC 7000 03:35–04:15: quality 0.3NGC 7000 04:15–04:25: quality 0.2observe NGC 7000 20:00–20:15observe NGC 7000 20:35–22:05V1057 CygV1057 Cyg 19:30–20:00: quality 0.1V1057 Cyg 20:00–20:35: quality 0.3V1057 Cyg 20:35–21:10: quality 0.6V1057 Cyg 21:10–00:25: quality 0.5V1057 Cyg 00:25–03:35: quality 0.4V1057 Cyg 03:35–04:10: quality 0.3V1057 Cyg 04:10–04:25: quality 0.2observe V1057 Cyg 22:05–23:50M33M33 20:10–20:35: quality 0.1M33 20:35–04:00: quality 0.3M33 04:00–05:50: quality 0.4M33 05:50–06:25: quality 0.2M33 06:25–06:55: quality 0.1observe M33 05:10–05:50scheduleNGC 7000V1057 CygM45M31M4220:0022:0000:0002:0004:0006:00

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
18:55–20:00 — nothing worth pointing at — 1.08
20:00–20:15 NGC 7000 0.25 0.3
20:15–20:35 — nothing worth pointing at — 0.33
20:35–22:05 NGC 7000 1.5 0.55
22:05–23:50 V1057 Cyg 1.75 0.48
23:50–02:15 M45 2.42 0.36
02:15–03:25 M31 1.17 0.32
03:25–05:10 M42 1.75 0.53
05:10–05:50 M33 0.67 0.41
05:50–06:25 M42 0.58 0.31
06:25–07:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 36 unknown 02:15–05:50 (marginal) 89.7° at 01:15 32.9° 1.17
M42 Great Orion Nebula 29 unknown 05:35–05:50 (good) 42.9° at 06:10 77.7° 2.33
M45 Seven Sisters 42 unknown 23:30–05:50 (marginal) 72.6° at 04:20 49.7° 2.42
NGC 7000 North America Nebula 53 unknown 20:35–03:55 (marginal) 87.2° at 21:30 57.7° 1.75
V1057 Cyg 53 unknown 20:35–03:55 (marginal) 87.2° at 21:30 57.6° 1.75
M33 Triangulum Pinwheel 32 unknown 02:50–05:50 (marginal) 79.2° at 02:05 26.9° 0.67
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2047-10-03"

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"}.