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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, 22 November 2040 · astronomical night 18:32 → 05:42 (11.16 h) · Moon 84% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:00: quality 0.1M31 18:00–18:35: quality 0.5M31 18:35–19:45: quality 1.0M31 19:45–21:45: quality 0.8M31 21:45–00:15: quality 0.7M31 00:15–01:45: quality 0.6M31 01:45–02:50: quality 0.5M31 02:50–03:15: quality 0.4M31 03:15–03:40: quality 0.3observe M31 21:50–23:45M42M42 22:05–22:10: quality 0.2M42 22:10–22:40: quality 0.3M42 22:40–03:10: quality 0.4M42 03:10–05:05: quality 0.3M42 05:05–05:40: quality 0.2observe M42 03:35–04:45M45M45 18:25–18:35: quality 0.2M45 18:35–18:45: quality 0.5M45 18:45–19:00: quality 0.6M45 19:00–19:15: quality 0.7M45 19:15–19:45: quality 0.8M45 19:45–23:25: quality 0.6M45 23:25–02:15: quality 0.5M45 02:15–04:50: quality 0.4M45 04:50–05:20: quality 0.3M45 05:20–05:40: quality 0.2observe M45 01:40–03:35observe M45 04:45–05:05NGC 7000NGC 7000 17:30–18:00: quality 0.2NGC 7000 18:00–18:35: quality 0.5NGC 7000 18:35–19:45: quality 1.0NGC 7000 19:45–20:25: quality 0.9NGC 7000 20:25–21:45: quality 0.8NGC 7000 21:45–23:00: quality 0.7NGC 7000 23:00–23:20: quality 0.6NGC 7000 23:20–23:40: quality 0.5NGC 7000 23:40–00:00: quality 0.4NGC 7000 00:00–00:10: quality 0.3observe NGC 7000 19:55–21:50V1057 CygV1057 Cyg 17:30–18:00: quality 0.2V1057 Cyg 18:00–18:35: quality 0.5V1057 Cyg 18:35–19:45: quality 1.0V1057 Cyg 19:45–20:30: quality 0.9V1057 Cyg 20:30–21:45: quality 0.8V1057 Cyg 21:45–23:00: quality 0.7V1057 Cyg 23:00–23:20: quality 0.6V1057 Cyg 23:20–23:40: quality 0.5V1057 Cyg 23:40–00:00: quality 0.4V1057 Cyg 00:00–00:05: quality 0.3observe V1057 Cyg 18:00–19:55M33M33 17:30–18:00: quality 0.1M33 18:00–18:10: quality 0.4M33 18:10–18:35: quality 0.5M33 18:35–18:50: quality 0.9M33 18:50–19:45: quality 1.0M33 19:45–21:10: quality 0.8M33 21:10–00:10: quality 0.7M33 00:10–01:40: quality 0.6M33 01:40–03:00: quality 0.5M33 03:00–03:20: quality 0.4M33 03:20–03:45: quality 0.3M33 03:45–03:50: quality 0.2observe M33 23:45–01:40scheduleV1057 CygNGC 7000M31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
16:55–18:00 — nothing worth pointing at — 1.08
18:00–19:55 V1057 Cyg 1.92 0.84
19:55–21:50 NGC 7000 1.92 0.82
21:50–23:45 M31 1.92 0.72
23:45–01:40 M33 1.92 0.61
01:40–03:35 M45 1.92 0.43
03:35–04:45 M42 1.17 0.33
04:45–05:05 M45 0.33 0.33
05:05–07:25 — nothing worth pointing at — 2.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:35–00:55 (good) 89.6° at 20:55 79.5° 1.92
M42 Great Orion Nebula 28 unknown 22:25–04:45 (marginal) 42.9° at 01:50 40.8° 1.17
M45 Seven Sisters 83 unknown 20:00–22:15 (good) 72.5° at 00:00 48.2° 2.25
NGC 7000 North America Nebula 100 unknown 18:35–23:10 (good) 87.2° at 17:10 105.8° 1.92
V1057 Cyg 100 unknown 18:35–23:10 (good) 87.2° at 17:15 105.9° 1.92
M33 Triangulum Pinwheel 100 unknown 18:35–00:55 (good) 79.2° at 21:50 74.3° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2040-11-22"

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"}.