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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, 13 March 2028 · astronomical night 19:58 → 05:01 (9.05 h) · Moon 88% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:55–19:30: quality 0.1M31 19:30–20:00: quality 0.3M31 20:00–20:10: quality 0.5M31 20:10–20:20: quality 0.4M42M42 18:55–19:30: quality 0.1M42 19:30–20:00: quality 0.4M42 20:00–20:15: quality 0.9M42 20:15–21:25: quality 0.8M42 21:25–21:40: quality 0.7M42 21:40–21:55: quality 0.6M42 21:55–22:10: quality 0.5M42 22:10–22:20: quality 0.4observe M42 21:15–22:20M45M45 18:55–19:30: quality 0.1M45 19:30–20:00: quality 0.5M45 20:00–20:45: quality 0.9M45 20:45–21:35: quality 0.8M45 21:35–21:45: quality 0.7M45 21:45–22:00: quality 0.6M45 22:00–22:10: quality 0.5M45 22:10–22:20: quality 0.4observe M45 20:20–21:15NGC 7000NGC 7000 03:00–03:25: quality 0.4NGC 7000 03:25–03:40: quality 0.5NGC 7000 03:40–04:00: quality 0.6NGC 7000 04:00–05:05: quality 0.7NGC 7000 05:05–05:35: quality 0.4NGC 7000 05:35–06:10: quality 0.1observe NGC 7000 03:00–03:55V1057 CygV1057 Cyg 03:00–03:05: quality 0.3V1057 Cyg 03:05–03:25: quality 0.4V1057 Cyg 03:25–03:45: quality 0.5V1057 Cyg 03:45–04:00: quality 0.6V1057 Cyg 04:00–05:05: quality 0.7V1057 Cyg 05:05–05:35: quality 0.4V1057 Cyg 05:35–06:10: quality 0.1observe V1057 Cyg 03:55–05:35M33M33 18:55–19:30: quality 0.1M33 19:30–19:50: quality 0.4M33 19:50–20:00: quality 0.3M33 20:00–20:10: quality 0.6M33 20:10–20:25: quality 0.5M33 20:25–20:30: quality 0.4observe M33 19:30–20:20scheduleM33M45M42NGC 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
18:25–19:30 — nothing worth pointing at — 1.08
19:30–20:20 M33 0.83 0.43
20:20–21:15 M45 0.92 0.85
21:15–22:20 M42 1.08 0.6
22:20–03:00 — nothing worth pointing at — 4.67
03:00–03:55 NGC 7000 0.92 0.48
03:55–05:35 V1057 Cyg 1.67 0.61
05:35–06:35 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 5 unknown 20:00–20:20 (marginal) 89.7° at 13:40 151.2° 0.0
M42 Great Orion Nebula 43 unknown 20:00–21:50 (good) 42.9° at 18:30 122.0° 1.08
M45 Seven Sisters 47 unknown 20:00–21:55 (good) 72.5° at 16:40 154.3° 0.92
NGC 7000 North America Nebula 28 unknown 03:50–05:05 (good) 87.2° at 09:50 112.7° 0.92
V1057 Cyg 28 unknown 03:50–05:05 (good) 87.3° at 09:50 112.7° 1.67
M33 Triangulum Pinwheel 8 unknown 19:30–20:30 (marginal) 79.1° at 14:30 165.7° 0.83

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-03-13"

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"}.