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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, 02 November 2027 · astronomical night 18:48 → 05:20 (10.53 h) · Moon 20% (waxing crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:20: quality 0.1M31 18:20–18:35: quality 0.4M31 18:35–18:50: quality 0.5M31 18:50–19:15: quality 0.9M31 19:15–01:45: quality 1.0M31 01:45–03:10: quality 0.9M31 03:10–04:05: quality 0.8M31 04:05–04:20: quality 0.7M31 04:20–04:35: quality 0.6M31 04:35–04:50: quality 0.5M31 04:50–05:00: quality 0.4observe M31 22:20–00:20M42M42 23:25–23:30: quality 0.4M42 23:30–23:45: quality 0.5M42 23:45–00:05: quality 0.6M42 00:05–00:20: quality 0.7M42 00:20–01:30: quality 0.8M42 01:30–04:55: quality 0.9M42 04:55–05:25: quality 0.8M42 05:25–05:55: quality 0.4M42 05:55–06:30: quality 0.1observe M42 04:20–05:55M45M45 19:50–19:55: quality 0.4M45 19:55–20:10: quality 0.5M45 20:10–20:20: quality 0.6M45 20:20–20:35: quality 0.7M45 20:35–21:25: quality 0.8M45 21:25–22:45: quality 0.9M45 22:45–04:05: quality 1.0M45 04:05–05:25: quality 0.9M45 05:25–05:55: quality 0.4M45 05:55–06:30: quality 0.1observe M45 02:20–04:20NGC 7000NGC 7000 17:45–18:20: quality 0.1NGC 7000 18:20–18:50: quality 0.5NGC 7000 18:50–22:05: quality 1.0NGC 7000 22:05–23:35: quality 0.9NGC 7000 23:35–00:30: quality 0.8NGC 7000 00:30–00:45: quality 0.7NGC 7000 00:45–01:00: quality 0.6NGC 7000 01:00–01:20: quality 0.5NGC 7000 01:20–01:30: quality 0.4observe NGC 7000 18:20–20:20V1057 CygV1057 Cyg 17:45–18:20: quality 0.1V1057 Cyg 18:20–18:50: quality 0.5V1057 Cyg 18:50–22:05: quality 1.0V1057 Cyg 22:05–23:35: quality 0.9V1057 Cyg 23:35–00:30: quality 0.8V1057 Cyg 00:30–00:45: quality 0.7V1057 Cyg 00:45–01:00: quality 0.6V1057 Cyg 01:00–01:20: quality 0.5V1057 Cyg 01:20–01:30: quality 0.4observe V1057 Cyg 20:20–22:20M33M33 17:45–18:20: quality 0.1M33 18:20–18:50: quality 0.4M33 18:50–19:05: quality 0.8M33 19:05–20:10: quality 0.9M33 20:10–02:10: quality 1.0M33 02:10–03:30: quality 0.9M33 03:30–04:20: quality 0.8M33 04:20–04:35: quality 0.7M33 04:35–04:50: quality 0.6M33 04:50–05:05: quality 0.5M33 05:05–05:10: quality 0.4observe M33 00:20–02:20scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
18:20–20:20 NGC 7000 2.0 0.85
20:20–22:20 V1057 Cyg 2.0 0.98
22:20–00:20 M31 2.0 1.0
00:20–02:20 M33 2.0 0.99
02:20–04:20 M45 2.0 0.98
04:20–05:55 M42 1.58 0.71
05:55–07:00 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:50–04:25 (good) 89.5° at 22:20 112.4° 2.0
M42 Great Orion Nebula 89 unknown 23:55–05:25 (good) 42.9° at 03:10 147.2° 1.58
M45 Seven Sisters 100 unknown 20:15–05:25 (good) 72.5° at 01:20 147.0° 2.0
NGC 7000 North America Nebula 100 unknown 18:50–00:55 (good) 87.2° at 18:35 80.1° 2.0
V1057 Cyg 100 unknown 18:50–00:55 (good) 87.3° at 18:35 80.1° 2.0
M33 Triangulum Pinwheel 100 unknown 18:50–04:40 (good) 79.1° at 23:10 119.6° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2027-11-02"

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"}.