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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 January 2029 · astronomical night 18:42 → 06:08 (11.44 h) · Moon 94% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.2M31 18:10–18:45: quality 0.5M31 18:45–19:20: quality 1.0M31 19:20–20:05: quality 0.9M31 20:05–22:00: quality 0.8M31 22:00–23:20: quality 0.7M31 23:20–00:05: quality 0.6M31 00:05–00:25: quality 0.5M31 00:25–00:45: quality 0.4M31 00:45–00:55: quality 0.3observe M31 21:00–22:25M42M42 19:20–19:40: quality 0.3M42 19:40–20:05: quality 0.4M42 20:05–23:15: quality 0.5M42 23:15–01:55: quality 0.4M42 01:55–02:30: quality 0.3M42 02:30–02:55: quality 0.2observe M42 01:15–02:10M45M45 17:35–18:10: quality 0.1M45 18:10–18:45: quality 0.5M45 18:45–19:20: quality 1.0M45 19:20–19:45: quality 0.8M45 19:45–22:10: quality 0.7M45 22:10–00:10: quality 0.6M45 00:10–02:00: quality 0.5M45 02:00–02:25: quality 0.4M45 02:25–02:50: quality 0.3M45 02:50–02:55: quality 0.2observe M45 23:50–01:15observe M45 02:10–02:40NGC 7000NGC 7000 17:35–18:10: quality 0.1NGC 7000 18:10–18:45: quality 0.5NGC 7000 18:45–19:20: quality 0.9NGC 7000 19:20–20:00: quality 0.8NGC 7000 20:00–20:30: quality 0.7NGC 7000 20:30–20:50: quality 0.6NGC 7000 20:50–21:10: quality 0.5NGC 7000 21:10–21:25: quality 0.4observe NGC 7000 18:10–19:35V1057 CygV1057 Cyg 17:35–18:10: quality 0.1V1057 Cyg 18:10–18:45: quality 0.5V1057 Cyg 18:45–19:20: quality 0.9V1057 Cyg 19:20–20:00: quality 0.8V1057 Cyg 20:00–20:30: quality 0.7V1057 Cyg 20:30–20:50: quality 0.6V1057 Cyg 20:50–21:10: quality 0.5V1057 Cyg 21:10–21:25: quality 0.4observe V1057 Cyg 19:35–21:00M33M33 17:35–18:10: quality 0.2M33 18:10–18:45: quality 0.5M33 18:45–19:20: quality 1.0M33 19:20–19:30: quality 0.9M33 19:30–22:05: quality 0.8M33 22:05–23:20: quality 0.7M33 23:20–00:20: quality 0.6M33 00:20–00:35: quality 0.5M33 00:35–00:55: quality 0.4M33 00:55–01:05: quality 0.3observe M33 22:25–23:50scheduleNGC 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
17:00–18:10 — nothing worth pointing at — 1.17
18:10–19:35 NGC 7000 1.42 0.69
19:35–21:00 V1057 Cyg 1.42 0.68
21:00–22:25 M31 1.42 0.77
22:25–23:50 M33 1.42 0.67
23:50–01:15 M45 1.42 0.53
01:15–02:10 M42 0.92 0.35
02:10–02:40 M45 0.5 0.35
02:40–07:50 — nothing worth pointing at — 5.17

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:45–23:55 (good) 89.7° at 18:15 102.8° 1.42
M42 Great Orion Nebula 41 unknown 19:25–02:10 (marginal) 42.9° at 23:05 53.1° 0.92
M45 Seven Sisters 99 unknown 18:45–23:25 (good) 72.5° at 21:20 72.1° 1.92
NGC 7000 North America Nebula 50 unknown 18:45–20:40 (good) 87.2° at 14:30 120.7° 1.42
V1057 Cyg 50 unknown 18:45–20:40 (good) 87.3° at 14:30 120.8° 1.42
M33 Triangulum Pinwheel 100 unknown 18:45–00:05 (good) 79.1° at 19:05 98.7° 1.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-01-02"

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"}.