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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 Wednesday, 25 January 2034 · astronomical night 19:04 → 06:02 (10.97 h) · Moon 34% (waxing crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:00–18:35: quality 0.1M31 18:35–19:05: quality 0.4M31 19:05–20:25: quality 0.8M31 20:25–22:30: quality 0.7M31 22:30–22:50: quality 0.6M31 22:50–23:10: quality 0.5M31 23:10–23:30: quality 0.4observe M31 22:05–23:15M42M42 18:00–18:35: quality 0.1M42 18:35–19:05: quality 0.3M42 19:05–20:30: quality 0.7M42 20:30–00:30: quality 0.8M42 00:30–00:50: quality 0.7M42 00:50–01:05: quality 0.6M42 01:05–01:20: quality 0.5M42 01:20–01:25: quality 0.4observe M42 23:15–01:25M45M45 18:00–18:35: quality 0.1M45 18:35–19:05: quality 0.4M45 19:05–23:20: quality 0.8M45 23:20–23:55: quality 0.9M45 23:55–00:40: quality 0.8M45 00:40–00:55: quality 0.7M45 00:55–01:05: quality 0.6M45 01:05–01:20: quality 0.5M45 01:20–01:25: quality 0.4observe M45 20:55–22:05NGC 7000NGC 7000 18:00–18:35: quality 0.1NGC 7000 18:35–19:05: quality 0.3NGC 7000 19:05–19:15: quality 0.6NGC 7000 19:15–19:35: quality 0.5NGC 7000 19:35–19:55: quality 0.4NGC 7000 06:10–06:25: quality 0.2NGC 7000 06:25–06:40: quality 0.3NGC 7000 06:40–07:10: quality 0.1observe NGC 7000 18:35–19:45V1057 CygV1057 Cyg 18:00–18:35: quality 0.1V1057 Cyg 18:35–19:05: quality 0.3V1057 Cyg 19:05–19:15: quality 0.6V1057 Cyg 19:15–19:35: quality 0.5V1057 Cyg 19:35–19:55: quality 0.4V1057 Cyg 06:10–06:25: quality 0.2V1057 Cyg 06:25–06:40: quality 0.3V1057 Cyg 06:40–07:10: quality 0.1M33M33 18:00–18:35: quality 0.1M33 18:35–19:05: quality 0.4M33 19:05–20:50: quality 0.8M33 20:50–22:45: quality 0.7M33 22:45–23:05: quality 0.6M33 23:05–23:30: quality 0.5M33 23:30–23:40: quality 0.4observe M33 19:45–20:55scheduleNGC 7000M33M45M31M4218:0020:0022:0000:0002:0004:0006:00

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
17:25–18:35 — nothing worth pointing at — 1.17
18:35–19:45 NGC 7000 1.17 0.42
19:45–20:55 M33 1.17 0.77
20:55–22:05 M45 1.17 0.84
22:05–23:15 M31 1.17 0.58
23:15–01:25 M42 2.17 0.72
01:25–07:40 — nothing worth pointing at — 6.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 65 unknown 19:05–22:40 (good) 89.7° at 16:45 35.8° 1.17
M42 Great Orion Nebula 85 unknown 19:05–00:55 (good) 42.9° at 21:35 68.1° 2.17
M45 Seven Sisters 89 unknown 19:05–01:00 (good) 72.5° at 19:50 42.6° 1.17
NGC 7000 North America Nebula 11 unknown 18:35–19:55 (marginal) 87.2° at 13:00 66.0° 1.17
V1057 Cyg 11 unknown 18:35–19:55 (marginal) 87.3° at 13:00 66.0° 0.0
M33 Triangulum Pinwheel 68 unknown 19:05–22:55 (good) 79.1° at 17:35 25.7° 1.17

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-01-25"

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"}.