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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 Monday, 07 August 2028 · astronomical night 22:20 → 04:33 (6.21 h) · Moon 94% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 22:20–22:25: quality 0.1M31 22:25–22:50: quality 0.3M31 22:50–23:20: quality 0.4M31 23:20–04:35: quality 0.5M31 04:35–05:15: quality 0.2M31 05:15–05:55: quality 0.1observe M31 00:30–01:55M42M45M45 02:25–02:30: quality 0.2M45 02:30–02:50: quality 0.3M45 02:50–03:10: quality 0.4M45 03:10–04:30: quality 0.5M45 04:30–04:35: quality 0.6M45 04:35–05:15: quality 0.3M45 05:15–05:55: quality 0.1observe M45 03:20–04:35NGC 7000NGC 7000 21:05–21:40: quality 0.1NGC 7000 21:40–22:25: quality 0.3NGC 7000 22:25–00:25: quality 0.6NGC 7000 00:25–04:35: quality 0.5NGC 7000 04:35–05:15: quality 0.2NGC 7000 05:15–05:55: quality 0.1observe NGC 7000 21:40–23:05V1057 CygV1057 Cyg 21:05–21:40: quality 0.1V1057 Cyg 21:40–22:25: quality 0.3V1057 Cyg 22:25–00:25: quality 0.6V1057 Cyg 00:25–04:35: quality 0.5V1057 Cyg 04:35–05:15: quality 0.2V1057 Cyg 05:15–05:55: quality 0.1observe V1057 Cyg 23:05–00:30M33M33 23:50–00:00: quality 0.2M33 00:00–00:30: quality 0.3M33 00:30–02:55: quality 0.4M33 02:55–04:35: quality 0.5M33 04:35–05:15: quality 0.2M33 05:15–05:55: quality 0.1observe M33 01:55–03:20scheduleNGC 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
20:30–21:40 — nothing worth pointing at — 1.17
21:40–23:05 NGC 7000 1.42 0.47
23:05–00:30 V1057 Cyg 1.42 0.58
00:30–01:55 M31 1.42 0.46
01:55–03:20 M33 1.42 0.44
03:20–04:35 M45 1.25 0.52
04:35–06:25 — nothing worth pointing at — 1.83

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 36 unknown 22:35–04:35 (marginal) 89.5° at 04:55 49.9° 1.42
M42 Great Orion Nebula 0 unknown — 42.9° at 09:50 99.5° 0.0
M45 Seven Sisters 17 unknown 02:40–04:35 (marginal) 72.5° at 08:00 75.1° 1.25
NGC 7000 North America Nebula 61 unknown 22:25–23:15 (good) 87.2° at 01:15 53.6° 1.42
V1057 Cyg 61 unknown 22:25–23:15 (good) 87.3° at 01:15 53.5° 1.42
M33 Triangulum Pinwheel 27 unknown 00:15–04:35 (marginal) 79.1° at 05:50 50.0° 1.42

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-08-07"

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"}.