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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, 07 January 2033 · astronomical night 18:46 → 06:08 (11.37 h) · Moon 48% (first quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:15: quality 0.1M31 18:15–18:50: quality 0.3M31 18:50–22:40: quality 0.7M31 22:40–23:50: quality 0.6M31 23:50–00:10: quality 0.5M31 00:10–00:25: quality 0.4M31 00:25–00:30: quality 0.5M31 00:30–00:35: quality 0.4observe M31 23:55–00:25M42M42 19:00–19:10: quality 0.3M42 19:10–19:30: quality 0.4M42 19:30–19:50: quality 0.5M42 19:50–20:20: quality 0.6M42 20:20–23:00: quality 0.7M42 23:00–00:25: quality 0.8M42 00:25–00:30: quality 0.9M42 00:30–01:40: quality 0.8M42 01:40–02:00: quality 0.7M42 02:00–02:15: quality 0.6M42 02:15–02:30: quality 0.5M42 02:30–02:35: quality 0.4observe M42 22:30–23:55M45M45 17:40–18:15: quality 0.1M45 18:15–18:50: quality 0.3M45 18:50–21:30: quality 0.7M45 21:30–00:20: quality 0.8M45 00:20–00:25: quality 0.7M45 00:25–01:05: quality 0.9M45 01:05–01:50: quality 0.8M45 01:50–02:05: quality 0.7M45 02:05–02:15: quality 0.6M45 02:15–02:30: quality 0.5M45 02:30–02:35: quality 0.4observe M45 21:05–22:30observe M45 00:50–02:35NGC 7000NGC 7000 17:40–18:15: quality 0.1NGC 7000 18:15–18:50: quality 0.3NGC 7000 18:50–19:10: quality 0.7NGC 7000 19:10–20:15: quality 0.6NGC 7000 20:15–20:35: quality 0.5NGC 7000 20:35–21:00: quality 0.4NGC 7000 21:00–21:05: quality 0.3NGC 7000 07:15–07:20: quality 0.1observe NGC 7000 18:15–19:40V1057 CygV1057 Cyg 17:40–18:15: quality 0.1V1057 Cyg 18:15–18:50: quality 0.3V1057 Cyg 18:50–19:10: quality 0.7V1057 Cyg 19:10–20:15: quality 0.6V1057 Cyg 20:15–20:35: quality 0.5V1057 Cyg 20:35–21:00: quality 0.4V1057 Cyg 21:00–21:05: quality 0.3observe V1057 Cyg 19:40–21:05M33M33 17:40–18:15: quality 0.1M33 18:15–18:50: quality 0.3M33 18:50–23:10: quality 0.7M33 23:10–00:05: quality 0.6M33 00:05–00:40: quality 0.5M33 00:40–00:50: quality 0.4observe M33 00:25–00:50scheduleNGC 7000V1057 CygM45M42M4518:0020:0022:0000:0002:0004:0006:00

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
17:05–18:15 — nothing worth pointing at — 1.17
18:15–19:40 NGC 7000 1.42 0.52
19:40–21:05 V1057 Cyg 1.42 0.5
21:05–22:30 M45 1.42 0.76
22:30–23:55 M42 1.42 0.75
23:55–00:25 M31 0.5 0.46
00:25–00:50 M33 0.42 0.47
00:50–02:35 M45 1.75 0.72
02:35–07:50 — nothing worth pointing at — 5.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 69 unknown 18:50–23:40 (good) 89.7° at 17:55 34.4° 0.5
M42 Great Orion Nebula 85 unknown 20:00–02:05 (good) 42.9° at 22:45 71.2° 1.42
M45 Seven Sisters 89 unknown 18:50–02:10 (good) 72.6° at 21:00 44.7° 3.17
NGC 7000 North America Nebula 25 unknown 18:50–20:00 (good) 87.2° at 14:10 63.2° 1.42
V1057 Cyg 25 unknown 18:50–20:00 (good) 87.3° at 14:10 63.1° 1.42
M33 Triangulum Pinwheel 70 unknown 18:50–23:55 (good) 79.1° at 18:45 25.5° 0.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2033-01-07"

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"}.