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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, 06 March 2028 · astronomical night 19:50 → 05:13 (9.39 h) · Moon 77% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:50–19:20: quality 0.1M31 19:20–19:55: quality 0.3M31 19:55–20:05: quality 0.5M31 20:05–20:30: quality 0.4M31 20:30–20:50: quality 0.3observe M31 19:55–20:40M42M42 18:50–19:20: quality 0.1M42 19:20–19:55: quality 0.2M42 19:55–21:50: quality 0.4M42 21:50–22:30: quality 0.3M42 22:30–22:50: quality 0.2observe M42 21:40–22:10M45M45 18:50–19:20: quality 0.1M45 19:20–19:30: quality 0.3M45 19:30–19:55: quality 0.2M45 19:55–20:40: quality 0.5M45 20:40–22:10: quality 0.4M45 22:10–22:40: quality 0.3M45 22:40–22:50: quality 0.2observe M45 20:50–21:40observe M45 22:10–22:25NGC 7000NGC 7000 03:30–03:45: quality 0.4NGC 7000 03:45–04:05: quality 0.5NGC 7000 04:05–04:20: quality 0.6NGC 7000 04:20–04:30: quality 0.7NGC 7000 04:30–05:15: quality 0.8NGC 7000 05:15–05:50: quality 0.4NGC 7000 05:50–06:20: quality 0.1observe NGC 7000 03:30–04:20V1057 CygV1057 Cyg 03:30–03:45: quality 0.4V1057 Cyg 03:45–04:05: quality 0.5V1057 Cyg 04:05–04:20: quality 0.6V1057 Cyg 04:20–04:30: quality 0.7V1057 Cyg 04:30–05:15: quality 0.8V1057 Cyg 05:15–05:50: quality 0.4V1057 Cyg 05:50–06:20: quality 0.1observe V1057 Cyg 04:20–05:50M33M33 18:50–19:20: quality 0.1M33 19:20–19:55: quality 0.3M33 19:55–20:15: quality 0.5M33 20:15–20:40: quality 0.4M33 20:40–21:00: quality 0.3observe M33 20:40–20:50scheduleM31M45NGC 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
18:15–19:55 — nothing worth pointing at — 1.67
19:55–20:40 M31 0.75 0.4
20:40–20:50 M33 0.17 0.32
20:50–21:40 M45 0.83 0.43
21:40–22:10 M42 0.5 0.34
22:10–22:25 M45 0.25 0.32
22:25–03:30 — nothing worth pointing at — 5.08
03:30–04:20 NGC 7000 0.83 0.5
04:20–05:50 V1057 Cyg 1.5 0.65
05:50–06:50 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 7 unknown 19:55–20:40 (marginal) 89.6° at 14:05 82.6° 0.75
M42 Great Orion Nebula 11 unknown 19:55–22:10 (marginal) 42.9° at 19:00 39.2° 0.5
M45 Seven Sisters 16 unknown 19:55–22:25 (marginal) 72.5° at 17:10 49.9° 1.08
NGC 7000 North America Nebula 31 unknown 04:15–05:15 (good) 87.2° at 10:20 109.3° 0.83
V1057 Cyg 31 unknown 04:15–05:15 (good) 87.3° at 10:20 109.4° 1.5
M33 Triangulum Pinwheel 8 unknown 19:55–20:50 (marginal) 79.1° at 14:55 76.8° 0.17
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-03-06"

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"}.