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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, 19 July 2035 · astronomical night 22:52 → 04:02 (5.17 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 23:40–23:50: quality 0.3M31 23:50–00:10: quality 0.4M31 00:10–00:35: quality 0.5M31 00:35–01:50: quality 0.6M31 01:50–03:25: quality 0.7M31 03:25–04:05: quality 0.8M31 04:05–04:50: quality 0.4M31 04:50–05:35: quality 0.1observe M31 01:25–02:40observe M31 04:05–04:35M42M45M45 03:45–04:00: quality 0.4M45 04:00–04:05: quality 0.5M45 04:05–04:35: quality 0.3M45 04:35–04:50: quality 0.4M45 04:50–05:35: quality 0.1observe M45 03:55–04:05observe M45 04:35–04:50NGC 7000NGC 7000 21:25–22:10: quality 0.1NGC 7000 22:10–22:55: quality 0.3NGC 7000 22:55–04:05: quality 0.6NGC 7000 04:05–04:50: quality 0.3NGC 7000 04:50–05:35: quality 0.1observe NGC 7000 22:55–00:10V1057 CygV1057 Cyg 21:25–22:10: quality 0.1V1057 Cyg 22:10–22:55: quality 0.3V1057 Cyg 22:55–04:05: quality 0.6V1057 Cyg 04:05–04:50: quality 0.3V1057 Cyg 04:50–05:35: quality 0.1observe V1057 Cyg 00:10–01:25M33M33 01:10–01:15: quality 0.3M33 01:15–01:35: quality 0.4M33 01:35–01:55: quality 0.5M33 01:55–02:30: quality 0.6M33 02:30–03:55: quality 0.7M33 03:55–04:05: quality 0.8M33 04:05–04:50: quality 0.4M33 04:50–05:35: quality 0.1observe M33 02:40–03:55scheduleNGC 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
20:50–22:55 — nothing worth pointing at — 2.08
22:55–00:10 NGC 7000 1.25 0.6
00:10–01:25 V1057 Cyg 1.25 0.6
01:25–02:40 M31 1.25 0.66
02:40–03:55 M33 1.25 0.7
03:55–04:05 M45 0.17 0.46
04:05–04:35 M31 0.5 0.39
04:35–04:50 M45 0.25 0.36
04:50–06:05 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 61 unknown 00:50–04:05 (good) 89.8° at 06:15 93.3° 1.75
M42 Great Orion Nebula 0 unknown — 42.9° at 11:05 143.1° 0.0
M45 Seven Sisters 6 unknown 04:20–04:50 (marginal) 72.5° at 09:20 127.7° 0.42
NGC 7000 North America Nebula 60 unknown 02:05–04:05 (good) 87.2° at 02:30 65.6° 1.25
V1057 Cyg 60 unknown 02:05–04:05 (good) 87.3° at 02:30 65.6° 1.25
M33 Triangulum Pinwheel 41 unknown 02:05–04:05 (good) 79.1° at 07:05 99.8° 1.25

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2035-07-19"

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"}.