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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, 09 November 2046 · astronomical night 18:41 → 05:28 (10.78 h) · Moon 87% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:10: quality 0.1M31 18:10–18:45: quality 0.2M31 18:45–23:50: quality 0.4M31 23:50–03:45: quality 0.5M31 03:45–03:50: quality 0.4M31 03:50–04:05: quality 0.6M31 04:05–04:25: quality 0.5M31 04:25–04:30: quality 0.4observe M31 02:25–04:05M42M42 22:55–23:15: quality 0.3M42 23:15–23:35: quality 0.4M42 23:35–00:00: quality 0.5M42 00:00–01:50: quality 0.6M42 01:50–03:50: quality 0.7M42 03:50–04:25: quality 0.9M42 04:25–05:30: quality 0.8M42 05:30–05:45: quality 0.4M42 05:45–06:05: quality 0.3M42 06:05–06:30: quality 0.1observe M42 00:30–02:25M45M45 19:20–19:30: quality 0.2M45 19:30–20:00: quality 0.3M45 20:00–21:30: quality 0.4M45 21:30–00:00: quality 0.5M45 00:00–02:20: quality 0.6M45 02:20–03:50: quality 0.7M45 03:50–04:55: quality 0.9M45 04:55–05:30: quality 0.8M45 05:30–05:50: quality 0.4M45 05:50–06:05: quality 0.3M45 06:05–06:30: quality 0.1observe M45 22:35–00:30observe M45 04:40–06:05NGC 7000NGC 7000 17:40–18:10: quality 0.1NGC 7000 18:10–18:45: quality 0.3NGC 7000 18:45–19:10: quality 0.6NGC 7000 19:10–23:50: quality 0.5NGC 7000 23:50–00:25: quality 0.4NGC 7000 00:25–01:00: quality 0.3observe NGC 7000 18:45–20:40V1057 CygV1057 Cyg 17:40–18:10: quality 0.1V1057 Cyg 18:10–18:45: quality 0.3V1057 Cyg 18:45–19:10: quality 0.6V1057 Cyg 19:10–23:45: quality 0.5V1057 Cyg 23:45–00:25: quality 0.4V1057 Cyg 00:25–01:00: quality 0.3observe V1057 Cyg 20:40–22:35M33M33 17:40–18:10: quality 0.1M33 18:10–18:45: quality 0.2M33 18:45–00:25: quality 0.4M33 00:25–03:50: quality 0.5M33 03:50–04:05: quality 0.7M33 04:05–04:20: quality 0.6M33 04:20–04:35: quality 0.5M33 04:35–04:40: quality 0.4observe M33 04:05–04:40scheduleNGC 7000V1057 CygM45M42M31M4518:0020:0022:0000:0002:0004:0006:00

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
17:05–18:45 — nothing worth pointing at — 1.67
18:45–20:40 NGC 7000 1.92 0.54
20:40–22:35 V1057 Cyg 1.92 0.5
22:35–00:30 M45 1.92 0.54
00:30–02:25 M42 1.92 0.63
02:25–04:05 M31 1.67 0.52
04:05–04:40 M33 0.58 0.54
04:40–06:05 M45 1.42 0.64
06:05–07:05 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 64 unknown 03:50–04:00 (good) 89.8° at 21:50 35.2° 1.67
M42 Great Orion Nebula 87 unknown 00:55–05:30 (good) 42.9° at 02:40 81.0° 1.92
M45 Seven Sisters 93 unknown 01:15–05:30 (good) 72.6° at 00:55 53.7° 3.33
NGC 7000 North America Nebula 45 unknown 18:45–00:40 (marginal) 87.2° at 18:05 56.8° 1.92
V1057 Cyg 44 unknown 18:45–00:40 (marginal) 87.2° at 18:05 56.7° 1.92
M33 Triangulum Pinwheel 75 unknown 03:50–04:15 (good) 79.2° at 22:40 30.5° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2046-11-09"

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"}.