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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, 14 January 2044 · astronomical night 18:52 → 06:07 (11.25 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:20: quality 0.1M31 18:20–18:55: quality 0.4M31 18:55–20:45: quality 0.7M31 20:45–22:15: quality 0.6M31 22:15–23:20: quality 0.5M31 23:20–23:45: quality 0.4M31 23:45–00:10: quality 0.3M31 00:10–00:15: quality 0.2observe M31 20:40–21:55M42M42 18:40–18:55: quality 0.1M42 18:55–19:20: quality 0.3M42 19:20–21:40: quality 0.4M42 21:40–01:15: quality 0.3M42 01:15–02:05: quality 0.2M42 02:05–02:15: quality 0.1observe M42 23:10–23:25M45M45 17:45–18:20: quality 0.1M45 18:20–18:55: quality 0.3M45 18:55–19:40: quality 0.6M45 19:40–22:05: quality 0.5M45 22:05–00:25: quality 0.4M45 00:25–01:45: quality 0.3M45 01:45–02:15: quality 0.2observe M45 23:25–01:25NGC 7000NGC 7000 17:45–18:20: quality 0.1NGC 7000 18:20–18:55: quality 0.4NGC 7000 18:55–19:35: quality 0.7NGC 7000 19:35–19:55: quality 0.6NGC 7000 19:55–20:15: quality 0.5NGC 7000 20:15–20:35: quality 0.4NGC 7000 20:35–20:40: quality 0.3NGC 7000 06:55–07:20: quality 0.1observe NGC 7000 19:35–20:40V1057 CygV1057 Cyg 17:45–18:20: quality 0.1V1057 Cyg 18:20–18:55: quality 0.4V1057 Cyg 18:55–19:35: quality 0.7V1057 Cyg 19:35–19:55: quality 0.6V1057 Cyg 19:55–20:15: quality 0.5V1057 Cyg 20:15–20:35: quality 0.4V1057 Cyg 20:35–20:40: quality 0.3V1057 Cyg 06:55–07:20: quality 0.1observe V1057 Cyg 18:20–19:35M33M33 17:45–18:20: quality 0.1M33 18:20–18:55: quality 0.4M33 18:55–20:45: quality 0.7M33 20:45–22:05: quality 0.6M33 22:05–23:30: quality 0.5M33 23:30–23:55: quality 0.4M33 23:55–00:20: quality 0.3M33 00:20–00:25: quality 0.2observe M33 21:55–23:10scheduleV1057 CygNGC 7000M31M33M4518:0020:0022:0000:0002:0004:0006:00

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
17:10–18:20 — nothing worth pointing at — 1.17
18:20–19:35 V1057 Cyg 1.25 0.54
19:35–20:40 NGC 7000 1.08 0.49
20:40–21:55 M31 1.25 0.61
21:55–23:10 M33 1.25 0.52
23:10–23:25 M42 0.25 0.3
23:25–01:25 M45 2.0 0.35
01:25–07:50 — nothing worth pointing at — 6.42

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 61 unknown 18:55–21:25 (good) 89.7° at 17:30 86.6° 1.25
M42 Great Orion Nebula 23 unknown 19:05–23:25 (marginal) 42.9° at 22:25 46.0° 0.25
M45 Seven Sisters 49 unknown 18:55–01:25 (marginal) 72.6° at 20:35 56.6° 2.0
NGC 7000 North America Nebula 23 unknown 18:55–19:45 (good) 87.2° at 13:45 109.3° 1.08
V1057 Cyg 23 unknown 18:55–19:45 (good) 87.2° at 13:45 109.4° 1.25
M33 Triangulum Pinwheel 60 unknown 18:55–21:25 (good) 79.2° at 18:20 82.3° 1.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2044-01-14"

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"}.