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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 Friday, 01 March 2030 · astronomical night 19:43 → 05:22 (9.65 h) · Moon 6% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:40–19:15: quality 0.1M31 19:15–19:45: quality 0.4M31 19:45–20:15: quality 0.8M31 20:15–20:30: quality 0.7M31 20:30–20:45: quality 0.6M31 20:45–21:00: quality 0.5M31 21:00–21:10: quality 0.4M42M42 18:40–19:15: quality 0.1M42 19:15–19:45: quality 0.4M42 19:45–21:05: quality 0.9M42 21:05–22:15: quality 0.8M42 22:15–22:30: quality 0.7M42 22:30–22:45: quality 0.6M42 22:45–23:00: quality 0.5M42 23:00–23:10: quality 0.4observe M42 21:10–23:10M45M45 18:40–19:15: quality 0.2M45 19:15–19:45: quality 0.5M45 19:45–20:15: quality 1.0M45 20:15–21:35: quality 0.9M45 21:35–22:20: quality 0.8M45 22:20–22:35: quality 0.7M45 22:35–22:50: quality 0.6M45 22:50–23:05: quality 0.5M45 23:05–23:10: quality 0.4observe M45 19:15–20:15NGC 7000NGC 7000 03:50–04:00: quality 0.4NGC 7000 04:00–04:15: quality 0.5NGC 7000 04:15–04:35: quality 0.6NGC 7000 04:35–04:50: quality 0.7NGC 7000 04:50–05:25: quality 0.8NGC 7000 05:25–05:55: quality 0.4NGC 7000 05:55–06:30: quality 0.1observe NGC 7000 03:50–04:50V1057 CygV1057 Cyg 03:50–04:00: quality 0.4V1057 Cyg 04:00–04:15: quality 0.5V1057 Cyg 04:15–04:35: quality 0.6V1057 Cyg 04:35–04:50: quality 0.7V1057 Cyg 04:50–05:25: quality 0.8V1057 Cyg 05:25–05:55: quality 0.4V1057 Cyg 05:55–06:30: quality 0.1observe V1057 Cyg 04:50–05:55M33M33 18:40–19:15: quality 0.1M33 19:15–19:45: quality 0.4M33 19:45–20:30: quality 0.8M33 20:30–20:45: quality 0.7M33 20:45–21:00: quality 0.6M33 21:00–21:15: quality 0.5M33 21:15–21:20: quality 0.4observe M33 20:15–21:10scheduleM45M33M42NGC 7000V1057 Cyg20:0022:0000:0002:0004:0006:00

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
18:10–19:15 — nothing worth pointing at — 1.08
19:15–20:15 M45 1.0 0.73
20:15–21:10 M33 0.92 0.66
21:10–23:10 M42 2.0 0.71
23:10–03:50 — nothing worth pointing at — 4.67
03:50–04:50 NGC 7000 1.0 0.57
04:50–05:55 V1057 Cyg 1.08 0.63
05:55–06:55 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 25 unknown 19:45–20:35 (good) 89.5° at 14:30 75.2° 0.0
M42 Great Orion Nebula 65 unknown 19:45–22:40 (good) 42.9° at 19:20 126.5° 2.0
M45 Seven Sisters 76 unknown 19:45–22:40 (good) 72.5° at 17:30 106.3° 1.0
NGC 7000 North America Nebula 27 unknown 04:25–05:25 (good) 87.2° at 10:40 57.5° 1.0
V1057 Cyg 27 unknown 04:25–05:25 (good) 87.3° at 10:40 57.4° 1.08
M33 Triangulum Pinwheel 29 unknown 19:45–20:50 (good) 79.1° at 15:20 79.4° 0.92

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-03-01"

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"}.