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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 Thursday, 23 August 2035 · astronomical night 21:51 → 04:56 (7.09 h) · Moon 76% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 21:20–21:35: quality 0.2M31 21:35–21:55: quality 0.3M31 21:55–22:00: quality 0.6M31 22:00–22:15: quality 0.7M31 22:15–22:45: quality 0.8M31 22:45–02:05: quality 0.6M31 02:05–05:00: quality 0.5M31 05:00–05:35: quality 0.2M31 05:35–06:10: quality 0.1observe M31 00:25–02:00M42M42 05:05–05:20: quality 0.1M42 05:20–05:35: quality 0.2M42 05:35–06:10: quality 0.1M45M45 01:25–01:35: quality 0.2M45 01:35–02:05: quality 0.3M45 02:05–05:00: quality 0.4M45 05:00–05:35: quality 0.2M45 05:35–06:10: quality 0.1observe M45 03:35–05:00NGC 7000NGC 7000 20:40–21:15: quality 0.1NGC 7000 21:15–21:55: quality 0.5NGC 7000 21:55–22:45: quality 1.0NGC 7000 22:45–00:35: quality 0.8NGC 7000 00:35–03:30: quality 0.7NGC 7000 03:30–05:00: quality 0.6NGC 7000 05:00–05:35: quality 0.3NGC 7000 05:35–06:10: quality 0.1observe NGC 7000 21:15–22:50V1057 CygV1057 Cyg 20:40–21:15: quality 0.1V1057 Cyg 21:15–21:55: quality 0.5V1057 Cyg 21:55–22:45: quality 1.0V1057 Cyg 22:45–00:35: quality 0.8V1057 Cyg 00:35–03:30: quality 0.7V1057 Cyg 03:30–05:00: quality 0.6V1057 Cyg 05:00–05:35: quality 0.3V1057 Cyg 05:35–06:10: quality 0.1observe V1057 Cyg 22:50–00:25M33M33 22:50–23:10: quality 0.3M33 23:10–23:35: quality 0.4M33 23:35–04:30: quality 0.5M33 04:30–05:00: quality 0.4M33 05:00–05:35: quality 0.2M33 05:35–06:10: quality 0.1observe M33 02:00–03:35scheduleNGC 7000V1057 CygM31M33M4522:0000:0002:0004:0006:00

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
20:05–21:15 — nothing worth pointing at — 1.17
21:15–22:50 NGC 7000 1.58 0.78
22:50–00:25 V1057 Cyg 1.58 0.78
00:25–02:00 M31 1.58 0.58
02:00–03:35 M33 1.58 0.49
03:35–05:00 M45 1.42 0.44
05:00–06:40 — nothing worth pointing at — 1.67

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 82 unknown 21:55–22:45 (good) 89.5° at 03:55 37.6° 1.58
M42 Great Orion Nebula 0 unknown — 42.9° at 08:50 56.4° 0.0
M45 Seven Sisters 18 unknown 01:50–05:00 (marginal) 72.5° at 07:00 31.6° 1.42
NGC 7000 North America Nebula 100 unknown 21:55–04:25 (good) 87.2° at 00:15 73.5° 1.58
V1057 Cyg 100 unknown 21:55–04:25 (good) 87.3° at 00:15 73.5° 1.58
M33 Triangulum Pinwheel 39 unknown 23:00–05:00 (marginal) 79.1° at 04:50 24.0° 1.58

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2035-08-23"

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"}.