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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 Sunday, 19 November 2045 · astronomical night 18:34 → 05:39 (11.08 h) · Moon 79% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:25: quality 0.2M31 18:25–18:30: quality 0.3M31 18:30–18:35: quality 0.2M31 18:35–00:00: quality 0.5M31 00:00–02:50: quality 0.6M31 02:50–02:55: quality 0.5M31 02:55–03:10: quality 0.7M31 03:10–03:25: quality 0.6M31 03:25–03:45: quality 0.5M31 03:45–03:50: quality 0.4observe M31 02:00–03:25M42M42 22:15–22:30: quality 0.3M42 22:30–22:50: quality 0.4M42 22:50–23:15: quality 0.5M42 23:15–00:30: quality 0.6M42 00:30–02:55: quality 0.7M42 02:55–03:45: quality 0.9M42 03:45–04:55: 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 00:05–02:00M45M45 18:40–18:45: quality 0.2M45 18:45–19:10: quality 0.3M45 19:10–19:30: quality 0.4M45 19:30–21:40: quality 0.5M45 21:40–00:25: quality 0.6M45 00:25–02:55: quality 0.7M45 02:55–04:15: quality 0.9M45 04:15–05:05: 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 22:10–00:05observe M45 04:00–05:40NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:35: quality 0.3NGC 7000 18:35–20:45: quality 0.6NGC 7000 20:45–23:25: quality 0.5NGC 7000 23:25–23:55: quality 0.4NGC 7000 23:55–00:20: quality 0.3observe NGC 7000 18:05–18:20observe NGC 7000 18:35–20:15V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:35: quality 0.3V1057 Cyg 18:35–20:45: quality 0.6V1057 Cyg 20:45–23:25: quality 0.5V1057 Cyg 23:25–23:55: quality 0.4V1057 Cyg 23:55–00:20: quality 0.3observe V1057 Cyg 20:15–22:10M33M33 17:30–18:05: quality 0.1M33 18:05–18:35: quality 0.2M33 18:35–19:30: quality 0.4M33 19:30–20:15: quality 0.5M33 20:15–20:50: quality 0.4M33 20:50–00:20: quality 0.5M33 00:20–02:55: quality 0.6M33 02:55–03:10: quality 0.8M33 03:10–03:25: quality 0.7M33 03:25–03:40: quality 0.6M33 03:40–03:55: quality 0.5M33 03:55–04:00: quality 0.4observe M33 03:25–04:00scheduleNGC 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
16:55–18:05 — nothing worth pointing at — 1.17
18:05–18:20 NGC 7000 0.25 0.3
18:20–18:35 — nothing worth pointing at — 0.25
18:35–20:15 NGC 7000 1.67 0.58
20:15–22:10 V1057 Cyg 1.92 0.54
22:10–00:05 M45 1.92 0.61
00:05–02:00 M42 1.92 0.67
02:00–03:25 M31 1.42 0.59
03:25–04:00 M33 0.58 0.53
04:00–05:40 M45 1.67 0.75
05:40–07:20 — nothing worth pointing at — 1.67

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 73 unknown 02:55–03:20 (good) 89.8° at 21:10 37.3° 1.42
M42 Great Orion Nebula 88 unknown 23:35–05:20 (good) 42.9° at 02:00 82.4° 1.92
M45 Seven Sisters 95 unknown 23:00–05:25 (good) 72.6° at 00:15 55.9° 3.58
NGC 7000 North America Nebula 46 unknown 18:35–00:10 (marginal) 87.2° at 17:25 57.1° 1.92
V1057 Cyg 46 unknown 18:35–00:10 (marginal) 87.3° at 17:25 57.1° 1.92
M33 Triangulum Pinwheel 81 unknown 02:55–03:35 (good) 79.2° at 22:00 32.8° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2045-11-19"

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"}.