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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, 19 November 2037 · astronomical night 18:34 → 05:39 (11.08 h) · Moon 92% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:35: quality 0.2M31 18:35–19:25: quality 0.5M31 19:25–03:20: quality 0.4M31 03:20–03:50: quality 0.3observe M31 22:05–00:05M42M42 22:15–22:30: quality 0.2M42 22:30–22:55: quality 0.3M42 22:55–23:55: quality 0.4M42 23:55–02:05: quality 0.5M42 02:05–04:25: quality 0.6M42 04:25–04:55: quality 0.8M42 04:55–05:10: quality 0.7M42 05:10–05:30: quality 0.6M42 05:30–05:40: quality 0.5M42 05:40–05:50: quality 0.2observe M42 00:05–02:05M45M45 18:40–19:00: quality 0.2M45 19:00–20:15: quality 0.3M45 20:15–00:55: quality 0.4M45 00:55–04:25: quality 0.5M45 04:25–05:05: quality 0.8M45 05:05–05:15: quality 0.7M45 05:15–05:30: quality 0.6M45 05:30–05:40: quality 0.5M45 05:40–05:50: quality 0.2observe M45 02:05–03:10observe M45 03:45–05:40NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:35: quality 0.3NGC 7000 18:35–18:45: quality 0.7NGC 7000 18:45–21:20: quality 0.6NGC 7000 21:20–23:20: quality 0.5NGC 7000 23:20–23:50: quality 0.4NGC 7000 23:50–00:20: quality 0.3observe NGC 7000 18:05–20:05V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:35: quality 0.3V1057 Cyg 18:35–18:45: quality 0.7V1057 Cyg 18:45–21:15: quality 0.6V1057 Cyg 21:15–23:20: quality 0.5V1057 Cyg 23:20–23:50: quality 0.4V1057 Cyg 23:50–00:20: quality 0.3observe V1057 Cyg 20:05–22:05M33M33 17:30–18:05: quality 0.1M33 18:05–18:35: quality 0.2M33 18:35–21:20: quality 0.4M33 21:20–22:45: quality 0.3M33 22:45–03:30: quality 0.4M33 03:30–04:00: quality 0.3observe M33 03:10–03:45scheduleNGC 7000V1057 CygM31M42M45M4518:0020:0022:0000:0002:0004:0006:00

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
16:55–18:05 — nothing worth pointing at — 1.17
18:05–20:05 NGC 7000 2.0 0.56
20:05–22:05 V1057 Cyg 2.0 0.56
22:05–00:05 M31 2.0 0.41
00:05–02:05 M42 2.0 0.51
02:05–03:10 M45 1.08 0.53
03:10–03:45 M33 0.58 0.36
03:45–05:40 M45 1.92 0.66
05:40–07:20 — nothing worth pointing at — 1.67

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 49 unknown 18:35–03:35 (marginal) 89.7° at 21:10 38.6° 2.0
M42 Great Orion Nebula 80 unknown 04:25–05:20 (good) 42.9° at 02:00 60.2° 2.0
M45 Seven Sisters 84 unknown 04:25–05:25 (good) 72.5° at 00:15 36.6° 3.0
NGC 7000 North America Nebula 53 unknown 18:35–20:25 (good) 87.2° at 17:25 72.3° 2.0
V1057 Cyg 53 unknown 18:35–20:20 (good) 87.3° at 17:25 72.2° 2.0
M33 Triangulum Pinwheel 40 unknown 18:35–03:45 (marginal) 79.2° at 22:00 26.0° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2037-11-19"

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"}.