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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, 17 July 2035 · astronomical night 22:55 → 03:59 (5.08 h) · Moon 94% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 23:45–23:50: quality 0.3M31 23:50–00:05: quality 0.4M31 00:05–00:25: quality 0.5M31 00:25–00:45: quality 0.6M31 00:45–01:55: quality 0.7M31 01:55–03:15: quality 0.8M31 03:15–04:00: quality 0.9M31 04:00–04:20: quality 0.4M31 04:20–04:50: quality 0.5M31 04:50–05:30: quality 0.2observe M31 00:55–02:15observe M31 04:00–04:30M42M45M45 03:55–04:00: quality 0.4M45 04:00–04:10: quality 0.2M45 04:10–04:35: quality 0.3M45 04:35–04:50: quality 0.4M45 04:50–05:30: quality 0.1observe M45 03:55–04:00observe M45 04:30–04:50NGC 7000NGC 7000 21:30–22:10: quality 0.1NGC 7000 22:10–23:00: quality 0.3NGC 7000 23:00–23:30: quality 0.6NGC 7000 23:30–03:35: quality 0.7NGC 7000 03:35–04:00: quality 0.8NGC 7000 04:00–04:20: quality 0.4NGC 7000 04:20–04:50: quality 0.5NGC 7000 04:50–05:25: quality 0.2NGC 7000 05:25–05:30: quality 0.1observe NGC 7000 22:15–23:35V1057 CygV1057 Cyg 21:30–22:10: quality 0.1V1057 Cyg 22:10–23:00: quality 0.3V1057 Cyg 23:00–23:30: quality 0.6V1057 Cyg 23:30–03:35: quality 0.7V1057 Cyg 03:35–04:00: quality 0.8V1057 Cyg 04:00–04:20: quality 0.4V1057 Cyg 04:20–04:50: quality 0.5V1057 Cyg 04:50–05:25: quality 0.2V1057 Cyg 05:25–05:30: quality 0.1observe V1057 Cyg 23:35–00:55M33M33 01:15–01:30: quality 0.4M33 01:30–01:50: quality 0.5M33 01:50–02:05: quality 0.6M33 02:05–02:40: quality 0.7M33 02:40–03:55: quality 0.8M33 03:55–04:00: quality 0.9M33 04:00–04:20: quality 0.4M33 04:20–04:50: quality 0.5M33 04:50–04:55: quality 0.1M33 04:55–05:30: quality 0.2observe M33 02:15–03:55scheduleNGC 7000V1057 CygM31M33M3122:0000:0002:0004:0006:00

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
20:50–22:15 — nothing worth pointing at — 1.42
22:15–23:35 NGC 7000 1.33 0.45
23:35–00:55 V1057 Cyg 1.33 0.67
00:55–02:15 M31 1.33 0.73
02:15–03:55 M33 1.67 0.78
03:55–04:00 M45 0.08 0.4
04:00–04:30 M31 0.5 0.46
04:30–04:50 M45 0.33 0.37
04:50–06:05 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 79 unknown 00:35–04:00 (good) 89.5° at 06:25 111.9° 1.83
M42 Great Orion Nebula 0 unknown — 42.9° at 11:15 155.7° 0.0
M45 Seven Sisters 4 unknown 04:20–04:50 (marginal) 72.5° at 09:25 150.7° 0.42
NGC 7000 North America Nebula 76 unknown 23:00–04:00 (good) 87.2° at 02:40 76.2° 1.33
V1057 Cyg 76 unknown 23:00–04:00 (good) 87.3° at 02:40 76.2° 1.33
M33 Triangulum Pinwheel 51 unknown 01:55–04:00 (good) 79.1° at 07:15 121.3° 1.67

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2035-07-17"

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"}.