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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, 09 March 2028 · astronomical night 19:53 → 05:08 (9.25 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:50–19:25: quality 0.1M31 19:25–19:35: quality 0.4M31 19:35–19:55: quality 0.3M31 19:55–20:00: quality 0.6M31 20:00–20:15: quality 0.5M31 20:15–20:35: quality 0.4observe M31 19:25–19:50M42M42 18:50–19:25: quality 0.1M42 19:25–19:55: quality 0.3M42 19:55–21:35: quality 0.5M42 21:35–22:00: quality 0.4M42 22:00–22:30: quality 0.3M42 22:30–22:35: quality 0.2observe M42 21:45–22:15M45M45 18:50–19:25: quality 0.1M45 19:25–19:50: quality 0.4M45 19:50–19:55: quality 0.3M45 19:55–20:30: quality 0.7M45 20:30–21:45: quality 0.6M45 21:45–22:05: quality 0.5M45 22:05–22:20: quality 0.4M45 22:20–22:35: quality 0.3observe M45 20:45–21:45observe M45 22:15–22:30NGC 7000NGC 7000 03:15–03:35: quality 0.4NGC 7000 03:35–03:55: quality 0.5NGC 7000 03:55–04:15: quality 0.6NGC 7000 04:15–04:50: quality 0.7NGC 7000 04:50–05:10: quality 0.8NGC 7000 05:10–05:45: quality 0.4NGC 7000 05:45–06:15: quality 0.1observe NGC 7000 03:15–04:15V1057 CygV1057 Cyg 03:15–03:35: quality 0.4V1057 Cyg 03:35–03:55: quality 0.5V1057 Cyg 03:55–04:15: quality 0.6V1057 Cyg 04:15–04:55: quality 0.7V1057 Cyg 04:55–05:10: quality 0.8V1057 Cyg 05:10–05:45: quality 0.4V1057 Cyg 05:45–06:15: quality 0.1observe V1057 Cyg 04:15–05:45M33M33 18:50–19:25: quality 0.1M33 19:25–19:50: quality 0.4M33 19:50–19:55: quality 0.3M33 19:55–20:00: quality 0.7M33 20:00–20:15: quality 0.6M33 20:15–20:30: quality 0.5M33 20:30–20:45: quality 0.4observe M33 19:50–20:45scheduleM33M45NGC 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
18:20–19:25 — nothing worth pointing at — 1.08
19:25–19:50 M31 0.42 0.33
19:50–20:45 M33 0.92 0.5
20:45–21:45 M45 1.0 0.59
21:45–22:15 M42 0.5 0.36
22:15–22:30 M45 0.25 0.35
22:30–03:15 — nothing worth pointing at — 4.75
03:15–04:15 NGC 7000 1.0 0.5
04:15–05:45 V1057 Cyg 1.5 0.6
05:45–06:45 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 7 unknown 19:55–20:35 (marginal) 89.7° at 13:55 121.4° 0.42
M42 Great Orion Nebula 18 unknown 19:55–22:15 (marginal) 42.9° at 18:45 72.2° 0.5
M45 Seven Sisters 30 unknown 19:55–21:10 (good) 72.5° at 17:00 94.6° 1.25
NGC 7000 North America Nebula 28 unknown 04:05–05:10 (good) 87.2° at 10:05 125.2° 1.0
V1057 Cyg 28 unknown 04:05–05:10 (good) 87.3° at 10:05 125.2° 1.5
M33 Triangulum Pinwheel 11 unknown 19:55–20:05 (good) 79.1° at 14:45 120.0° 0.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-03-09"

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"}.