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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, 02 January 2034 · astronomical night 18:42 → 06:08 (11.44 h) · Moon 95% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.1M31 18:10–18:45: quality 0.3M31 18:45–18:55: quality 0.6M31 18:55–21:45: quality 0.5M31 21:45–00:05: quality 0.4M31 00:05–00:40: quality 0.3M31 00:40–01:00: quality 0.2observe M31 20:50–22:05M42M42 19:25–23:50: quality 0.2M42 23:50–02:20: quality 0.3M42 02:20–03:00: quality 0.2M45M45 17:35–18:10: quality 0.1M45 18:10–18:45: quality 0.2M45 18:45–19:35: quality 0.4M45 19:35–02:25: quality 0.3M45 02:25–03:00: quality 0.2observe M45 20:40–20:50NGC 7000NGC 7000 17:35–18:10: quality 0.1NGC 7000 18:10–18:35: quality 0.4NGC 7000 18:35–18:45: quality 0.3NGC 7000 18:45–19:15: quality 0.7NGC 7000 19:15–20:25: quality 0.6NGC 7000 20:25–20:50: quality 0.5NGC 7000 20:50–21:10: quality 0.4NGC 7000 21:10–21:25: quality 0.3observe NGC 7000 19:25–20:40V1057 CygV1057 Cyg 17:35–18:10: quality 0.1V1057 Cyg 18:10–18:35: quality 0.4V1057 Cyg 18:35–18:45: quality 0.3V1057 Cyg 18:45–19:15: quality 0.7V1057 Cyg 19:15–20:25: quality 0.6V1057 Cyg 20:25–20:50: quality 0.5V1057 Cyg 20:50–21:10: quality 0.4V1057 Cyg 21:10–21:25: quality 0.3observe V1057 Cyg 18:10–19:25M33M33 17:35–18:10: quality 0.1M33 18:10–18:45: quality 0.3M33 18:45–20:00: quality 0.5M33 20:00–23:15: quality 0.4M33 23:15–00:40: quality 0.3M33 00:40–01:10: quality 0.2observe M33 22:05–00:25scheduleV1057 CygNGC 7000M31M3318:0020:0022:0000:0002:0004:0006:00

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
17:00–18:10 — nothing worth pointing at — 1.17
18:10–19:25 V1057 Cyg 1.25 0.52
19:25–20:40 NGC 7000 1.25 0.59
20:40–20:50 M45 0.17 0.3
20:50–22:05 M31 1.25 0.46
22:05–00:25 M33 2.33 0.35
00:25–07:50 — nothing worth pointing at — 7.42

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 41 unknown 18:45–00:25 (marginal) 89.7° at 18:15 60.6° 1.25
M42 Great Orion Nebula 13 unknown — 42.9° at 23:10 24.5° 0.0
M45 Seven Sisters 24 unknown 18:45–20:50 (marginal) 72.5° at 21:20 20.0° 0.17
NGC 7000 North America Nebula 30 unknown 18:45–20:05 (good) 87.2° at 14:30 98.4° 1.25
V1057 Cyg 30 unknown 18:45–20:05 (good) 87.3° at 14:30 98.5° 1.25
M33 Triangulum Pinwheel 33 unknown 18:45–00:25 (marginal) 79.1° at 19:05 50.0° 2.33

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-01-02"

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"}.