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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 February 2034 · astronomical night 19:17 → 05:52 (10.58 h) · Moon 88% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:15–18:45: quality 0.2M31 18:45–19:20: quality 0.5M31 19:20–19:25: quality 1.0M31 19:25–20:50: quality 0.9M31 20:50–21:25: quality 0.8M31 21:25–21:50: quality 0.7M31 21:50–22:05: quality 0.6M31 22:05–22:25: quality 0.5M31 22:25–22:40: quality 0.4observe M31 21:05–22:15M42M42 18:15–18:45: quality 0.1M42 18:45–19:20: quality 0.4M42 19:20–21:05: quality 0.9M42 21:05–21:15: quality 0.8M42 21:15–23:15: quality 0.7M42 23:15–23:50: quality 0.6M42 23:50–00:10: quality 0.5M42 00:10–00:30: quality 0.4M42 00:30–00:40: quality 0.3observe M42 22:15–23:35M45M45 18:15–18:45: quality 0.2M45 18:45–19:20: quality 0.5M45 19:20–21:05: quality 1.0M45 21:05–22:00: quality 0.9M45 22:00–23:20: quality 0.8M45 23:20–23:55: quality 0.7M45 23:55–00:10: quality 0.6M45 00:10–00:25: quality 0.5M45 00:25–00:40: quality 0.4observe M45 19:55–21:05observe M45 23:35–00:40NGC 7000NGC 7000 18:15–18:45: quality 0.1NGC 7000 18:45–18:50: quality 0.3NGC 7000 18:50–19:10: quality 0.2NGC 7000 05:20–05:40: quality 0.4NGC 7000 05:40–05:55: quality 0.5NGC 7000 05:55–06:25: quality 0.3NGC 7000 06:25–07:00: quality 0.1observe NGC 7000 05:20–05:55observe NGC 7000 06:10–06:25V1057 CygV1057 Cyg 18:15–18:45: quality 0.1V1057 Cyg 18:45–18:50: quality 0.3V1057 Cyg 18:50–19:10: quality 0.2V1057 Cyg 05:20–05:40: quality 0.4V1057 Cyg 05:40–05:55: quality 0.5V1057 Cyg 05:55–06:25: quality 0.3V1057 Cyg 06:25–07:00: quality 0.1M33M33 18:15–18:45: quality 0.2M33 18:45–19:20: quality 0.5M33 19:20–19:50: quality 1.0M33 19:50–21:05: quality 0.9M33 21:05–21:45: quality 0.8M33 21:45–22:05: quality 0.7M33 22:05–22:20: quality 0.6M33 22:20–22:35: quality 0.5M33 22:35–22:50: quality 0.4observe M33 18:45–19:55scheduleM33M45M31M42M4518:0020:0022:0000:0002:0004:0006:00

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
17:40–18:45 — nothing worth pointing at — 1.08
18:45–19:55 M33 1.17 0.73
19:55–21:05 M45 1.17 1.0
21:05–22:15 M31 1.17 0.68
22:15–23:35 M42 1.33 0.67
23:35–00:40 M45 1.08 0.56
00:40–05:20 — nothing worth pointing at — 4.67
05:20–05:55 NGC 7000 0.58 0.44
05:55–06:10 — nothing worth pointing at — 0.25
06:10–06:25 NGC 7000 0.25 0.33
06:25–07:30 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 69 unknown 19:20–22:00 (good) 89.6° at 16:00 137.4° 1.17
M42 Great Orion Nebula 89 unknown 19:20–23:40 (good) 42.9° at 20:50 95.0° 1.33
M45 Seven Sisters 100 unknown 19:20–00:05 (good) 72.5° at 19:00 119.2° 2.25
NGC 7000 North America Nebula 8 unknown 05:20–05:55 (marginal) 87.2° at 12:15 120.9° 0.83
V1057 Cyg 8 unknown 05:20–05:55 (marginal) 87.3° at 12:15 120.9° 0.0
M33 Triangulum Pinwheel 77 unknown 19:20–22:15 (good) 79.1° at 16:50 141.5° 1.17

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-02-06"

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"}.