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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 Tuesday, 19 January 2038 · astronomical night 18:57 → 06:05 (11.13 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:55–18:25: quality 0.1M31 18:25–19:00: quality 0.3M31 19:00–19:10: quality 0.7M31 19:10–21:00: quality 0.6M31 21:00–22:50: quality 0.5M31 22:50–23:15: quality 0.4M31 23:15–23:45: quality 0.3M31 23:45–23:50: quality 0.2observe M31 20:15–21:10M42M42 18:25–19:00: quality 0.1M42 19:00–22:15: quality 0.3M42 22:15–01:40: quality 0.2M42 01:40–01:50: quality 0.1M45M45 17:55–18:25: quality 0.1M45 18:25–18:30: quality 0.3M45 18:30–19:00: quality 0.2M45 19:00–19:25: quality 0.5M45 19:25–22:10: quality 0.4M45 22:10–01:10: quality 0.3M45 01:10–01:50: quality 0.2observe M45 22:05–23:00observe M45 23:35–23:50NGC 7000NGC 7000 17:55–18:25: quality 0.1NGC 7000 18:25–19:00: quality 0.3NGC 7000 19:00–19:10: quality 0.7NGC 7000 19:10–19:30: quality 0.6NGC 7000 19:30–19:50: quality 0.5NGC 7000 19:50–20:15: quality 0.4NGC 7000 20:15–20:20: quality 0.3NGC 7000 06:30–06:40: quality 0.2NGC 7000 06:40–07:15: quality 0.1observe NGC 7000 18:25–19:20V1057 CygV1057 Cyg 17:55–18:25: quality 0.1V1057 Cyg 18:25–19:00: quality 0.3V1057 Cyg 19:00–19:10: quality 0.7V1057 Cyg 19:10–19:30: quality 0.6V1057 Cyg 19:30–19:50: quality 0.5V1057 Cyg 19:50–20:15: quality 0.4V1057 Cyg 20:15–20:20: quality 0.3V1057 Cyg 06:30–06:40: quality 0.2V1057 Cyg 06:40–07:15: quality 0.1observe V1057 Cyg 19:20–20:15M33M33 17:55–18:25: quality 0.1M33 18:25–19:00: quality 0.3M33 19:00–20:40: quality 0.6M33 20:40–22:25: quality 0.5M33 22:25–23:25: quality 0.4M33 23:25–23:50: quality 0.3M33 23:50–00:00: quality 0.2observe M33 21:10–22:05observe M33 23:00–23:35scheduleNGC 7000V1057 CygM31M33M4518:0020:0022:0000:0002:0004:0006:00

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
17:20–18:25 — nothing worth pointing at — 1.08
18:25–19:20 NGC 7000 0.92 0.45
19:20–20:15 V1057 Cyg 0.92 0.47
20:15–21:10 M31 0.92 0.57
21:10–22:05 M33 0.92 0.49
22:05–23:00 M45 0.92 0.34
23:00–23:35 M33 0.58 0.37
23:35–23:50 M45 0.25 0.3
23:50–07:45 — nothing worth pointing at — 7.92

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 45 unknown 19:00–20:15 (good) 89.8° at 17:10 78.9° 0.92
M42 Great Orion Nebula 14 unknown 19:10–20:05 (marginal) 42.9° at 22:00 34.7° 0.0
M45 Seven Sisters 29 unknown 19:00–23:50 (marginal) 72.5° at 20:15 44.7° 1.17
NGC 7000 North America Nebula 17 unknown 19:00–19:20 (good) 87.2° at 13:25 108.3° 0.92
V1057 Cyg 17 unknown 19:00–19:20 (good) 87.3° at 13:25 108.3° 0.92
M33 Triangulum Pinwheel 41 unknown 19:00–19:35 (good) 79.2° at 18:00 72.3° 1.5

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2038-01-19"

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"}.