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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 Friday, 19 January 2035 · astronomical night 18:57 → 06:05 (11.14 h) · Moon 80% (waxing gibbous) · 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 19:00–22:05: quality 0.5M31 22:05–23:15: quality 0.4M31 23:15–23:45: quality 0.3M31 23:45–23:50: quality 0.2observe M31 20:20–21:35M42M42 18:25–19:00: quality 0.1M42 19:00–21:15: quality 0.3M42 21:15–01:10: quality 0.4M42 01:10–01:45: quality 0.3M42 01:45–01:50: quality 0.2observe M42 00:05–01:30M45M45 17:55–18:25: quality 0.1M45 18:25–19:00: quality 0.2M45 19:00–01:20: quality 0.4M45 01:20–01:45: quality 0.3M45 01:45–01:50: quality 0.2observe M45 22:50–00:05NGC 7000NGC 7000 17:55–18:25: quality 0.1NGC 7000 18:25–19:00: quality 0.3NGC 7000 19:00–19:20: quality 0.6NGC 7000 19:20–19:45: quality 0.5NGC 7000 19:45–20:10: quality 0.4NGC 7000 20:10–20:20: quality 0.3NGC 7000 06:30–06:40: quality 0.2NGC 7000 06:40–07:15: quality 0.1observe NGC 7000 18:25–19:40V1057 CygV1057 Cyg 17:55–18:25: quality 0.1V1057 Cyg 18:25–19:00: quality 0.3V1057 Cyg 19:00–19:20: quality 0.6V1057 Cyg 19:20–19:45: quality 0.5V1057 Cyg 19:45–20:05: quality 0.4V1057 Cyg 20:05–20:20: quality 0.3V1057 Cyg 06:35–06:40: quality 0.2V1057 Cyg 06:40–07:15: quality 0.1observe V1057 Cyg 19:40–20:20M33M33 17:55–18:25: quality 0.1M33 18:25–19:00: quality 0.2M33 19:00–20:30: quality 0.5M33 20:30–23:20: quality 0.4M33 23:20–23:50: quality 0.3M33 23:50–00:00: quality 0.2observe M33 21:35–22:50scheduleNGC 7000M31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
17:15–18:25 — nothing worth pointing at — 1.17
18:25–19:40 NGC 7000 1.25 0.44
19:40–20:20 V1057 Cyg 0.67 0.38
20:20–21:35 M31 1.25 0.48
21:35–22:50 M33 1.25 0.41
22:50–00:05 M45 1.25 0.41
00:05–01:30 M42 1.42 0.38
01:30–07:45 — nothing worth pointing at — 6.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 32 unknown 19:00–23:30 (marginal) 89.8° at 17:10 52.7° 1.25
M42 Great Orion Nebula 26 unknown 19:10–01:30 (marginal) 42.9° at 22:00 28.6° 1.42
M45 Seven Sisters 30 unknown 19:00–01:30 (marginal) 72.5° at 20:15 11.1° 1.25
NGC 7000 North America Nebula 14 unknown 18:25–20:20 (marginal) 87.2° at 13:25 92.4° 1.25
V1057 Cyg 14 unknown 18:25–20:20 (marginal) 87.3° at 13:25 92.4° 0.67
M33 Triangulum Pinwheel 26 unknown 19:00–23:35 (marginal) 79.1° at 18:00 40.4° 1.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2035-01-19"

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"}.