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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, 06 February 2029 · astronomical night 19:17 → 05:52 (10.58 h) · Moon 39% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:15–18:40: quality 0.2M31 18:40–18:50: quality 0.1M31 18:50–19:20: quality 0.5M31 19:20–19:25: quality 1.0M31 19:25–20:50: quality 0.9M31 20:50–21:40: quality 0.8M31 21:40–22:00: quality 0.7M31 22:00–22:15: quality 0.6M31 22:15–22:30: quality 0.5M31 22:30–22:40: quality 0.4observe M31 21:10–22:20M42M42 18:15–18:50: quality 0.1M42 18:50–19:20: quality 0.4M42 19:20–22:35: quality 0.9M42 22:35–23:45: quality 0.8M42 23:45–00:00: quality 0.7M42 00:00–00:15: quality 0.6M42 00:15–00:30: quality 0.5M42 00:30–00:40: quality 0.4observe M42 22:20–00:40M45M45 18:15–18:50: quality 0.2M45 18:50–19:20: quality 0.5M45 19:20–21:45: quality 1.0M45 21:45–23:05: quality 0.9M45 23:05–23:50: quality 0.8M45 23:50–00:05: quality 0.7M45 00:05–00:20: quality 0.6M45 00:20–00:30: quality 0.5M45 00:30–00:40: quality 0.4observe M45 20:00–21:10NGC 7000NGC 7000 18:15–18:50: quality 0.1NGC 7000 18:50–19:10: quality 0.2NGC 7000 05:20–05:35: quality 0.4NGC 7000 05:35–05:55: quality 0.5NGC 7000 05:55–06:20: quality 0.3NGC 7000 06:20–06:25: quality 0.4NGC 7000 06:25–07:00: quality 0.1observe NGC 7000 05:20–05:55observe NGC 7000 06:05–06:25V1057 CygV1057 Cyg 18:15–18:50: quality 0.1V1057 Cyg 18:50–19:10: quality 0.2V1057 Cyg 05:20–05:35: quality 0.4V1057 Cyg 05:35–05:55: quality 0.5V1057 Cyg 05:55–06:20: quality 0.3V1057 Cyg 06:20–06:25: quality 0.4V1057 Cyg 06:25–07:00: quality 0.1M33M33 18:15–18:50: quality 0.2M33 18:50–19:20: quality 0.5M33 19:20–19:50: quality 1.0M33 19:50–21:10: quality 0.9M33 21:10–22:00: quality 0.8M33 22:00–22:15: quality 0.7M33 22:15–22:30: quality 0.6M33 22:30–22:40: quality 0.5M33 22:40–22:50: quality 0.4observe M33 18:50–20:00scheduleM33M45M31M4218:0020:0022:0000:0002:0004:0006:00

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
17:40–18:50 — nothing worth pointing at — 1.17
18:50–20:00 M33 1.17 0.76
20:00–21:10 M45 1.17 1.0
21:10–22:20 M31 1.17 0.71
22:20–00:40 M42 2.33 0.72
00:40–05:20 — nothing worth pointing at — 4.67
05:20–05:55 NGC 7000 0.58 0.46
05:55–06:05 — nothing worth pointing at — 0.17
06:05–06:25 NGC 7000 0.33 0.33
06:25–07:30 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 70 unknown 19:20–22:05 (good) 89.5° at 15:55 136.7° 1.17
M42 Great Orion Nebula 89 unknown 19:20–00:10 (good) 42.9° at 20:50 141.8° 2.33
M45 Seven Sisters 100 unknown 19:20–00:10 (good) 72.5° at 19:00 178.1° 1.17
NGC 7000 North America Nebula 8 unknown 05:20–05:55 (marginal) 87.2° at 12:15 97.2° 0.92
V1057 Cyg 8 unknown 05:20–05:55 (marginal) 87.3° at 12:15 97.2° 0.0
M33 Triangulum Pinwheel 78 unknown 19:20–22:20 (good) 79.1° at 16:50 148.1° 1.17

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-02-06"

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"}.