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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 Saturday, 29 November 2042 · astronomical night 18:30 → 05:48 (11.3 h) · Moon 90% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–17:50: quality 0.1M31 17:50–18:00: quality 0.2M31 18:00–18:35: quality 0.5M31 18:35–18:50: quality 1.0M31 18:50–19:55: quality 0.8M31 19:55–22:50: quality 0.7M31 22:50–00:30: quality 0.6M31 00:30–02:10: quality 0.5M31 02:10–02:40: quality 0.4M31 02:40–03:10: quality 0.3M31 03:10–03:15: quality 0.2observe M31 21:30–23:15M42M42 21:35–21:50: quality 0.2M42 21:50–22:30: quality 0.3M42 22:30–00:05: quality 0.4M42 00:05–04:30: quality 0.3M42 04:30–05:15: quality 0.2observe M42 02:15–02:50M45M45 18:00–18:15: quality 0.2M45 18:15–18:35: quality 0.3M45 18:35–18:50: quality 0.7M45 18:50–19:25: quality 0.5M45 19:25–20:50: quality 0.6M45 20:50–23:35: quality 0.5M45 23:35–02:40: quality 0.4M45 02:40–04:40: quality 0.3M45 04:40–05:15: quality 0.2observe M45 01:00–02:15observe M45 02:50–04:25NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:35: quality 0.5NGC 7000 18:35–18:50: quality 1.0NGC 7000 18:50–19:40: quality 0.9NGC 7000 19:40–21:00: quality 0.8NGC 7000 21:00–22:25: quality 0.7NGC 7000 22:25–22:50: quality 0.6NGC 7000 22:50–23:10: quality 0.5NGC 7000 23:10–23:35: quality 0.4NGC 7000 23:35–23:40: quality 0.3observe NGC 7000 18:00–19:45V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:35: quality 0.5V1057 Cyg 18:35–18:50: quality 1.0V1057 Cyg 18:50–19:40: quality 0.9V1057 Cyg 19:40–21:00: quality 0.8V1057 Cyg 21:00–22:25: quality 0.7V1057 Cyg 22:25–22:50: quality 0.6V1057 Cyg 22:50–23:10: quality 0.5V1057 Cyg 23:10–23:35: quality 0.4V1057 Cyg 23:35–23:40: quality 0.3observe V1057 Cyg 19:45–21:30M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.5M33 18:35–18:50: quality 1.0M33 18:50–19:20: quality 0.8M33 19:20–22:00: quality 0.7M33 22:00–00:20: quality 0.6M33 00:20–02:05: quality 0.5M33 02:05–02:50: quality 0.4M33 02:50–03:15: quality 0.3M33 03:15–03:25: quality 0.2observe M33 23:15–01:00scheduleNGC 7000V1057 CygM31M33M45M4518:0020:0022:0000:0002:0004:0006:00

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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–19:45 NGC 7000 1.75 0.76
19:45–21:30 V1057 Cyg 1.75 0.78
21:30–23:15 M31 1.75 0.66
23:15–01:00 M33 1.75 0.56
01:00–02:15 M45 1.25 0.39
02:15–02:50 M42 0.58 0.3
02:50–04:25 M45 1.58 0.33
04:25–07:30 — nothing worth pointing at — 3.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:35–23:45 (good) 89.7° at 20:30 75.6° 1.75
M42 Great Orion Nebula 22 unknown 22:10–02:50 (marginal) 42.9° at 01:25 39.4° 0.58
M45 Seven Sisters 74 unknown 18:35–18:50 (good) 72.6° at 23:35 44.1° 2.83
NGC 7000 North America Nebula 100 unknown 18:35–22:40 (good) 87.2° at 16:45 103.2° 1.75
V1057 Cyg 100 unknown 18:35–22:40 (good) 87.2° at 16:45 103.3° 1.75
M33 Triangulum Pinwheel 98 unknown 18:35–23:30 (good) 79.2° at 21:20 70.2° 1.75
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2042-11-29"

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"}.