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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, 03 July 2045 · astronomical night 23:07 → 03:43 (4.59 h) · Moon 82% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 00:40–00:55: quality 0.3M31 00:55–01:20: quality 0.4M31 01:20–02:20: quality 0.5M31 02:20–03:45: quality 0.6M31 03:45–04:35: quality 0.3M31 04:35–05:20: quality 0.1observe M31 01:30–03:05observe M31 04:15–04:35M42M45M45 04:55–05:20: quality 0.1NGC 7000NGC 7000 21:35–22:20: quality 0.1NGC 7000 22:20–23:10: quality 0.4NGC 7000 23:10–23:30: quality 0.9NGC 7000 23:30–01:55: quality 0.7NGC 7000 01:55–03:45: quality 0.6NGC 7000 03:45–04:35: quality 0.3NGC 7000 04:35–05:20: quality 0.1observe NGC 7000 22:20–23:55observe NGC 7000 03:45–04:10V1057 CygV1057 Cyg 21:35–22:20: quality 0.1V1057 Cyg 22:20–23:10: quality 0.4V1057 Cyg 23:10–23:30: quality 0.9V1057 Cyg 23:30–01:55: quality 0.7V1057 Cyg 01:55–03:45: quality 0.6V1057 Cyg 03:45–04:35: quality 0.3V1057 Cyg 04:35–05:20: quality 0.1observe V1057 Cyg 23:55–01:30M33M33 02:10–02:30: quality 0.3M33 02:30–02:55: quality 0.4M33 02:55–03:45: quality 0.5M33 03:45–04:35: quality 0.3M33 04:35–05:20: quality 0.1observe M33 03:05–03:45scheduleNGC 7000V1057 CygM31M3322:0000:0002:0004:00

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
20:55–22:20 — nothing worth pointing at — 1.42
22:20–23:55 NGC 7000 1.58 0.6
23:55–01:30 V1057 Cyg 1.58 0.69
01:30–03:05 M31 1.58 0.55
03:05–03:45 M33 0.67 0.52
03:45–04:10 NGC 7000 0.42 0.3
04:10–04:15 — nothing worth pointing at — 0.08
04:15–04:35 M31 0.33 0.3
04:35–05:55 — nothing worth pointing at — 1.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 28 unknown 00:40–03:45 (marginal) 89.8° at 07:15 60.7° 1.92
M42 Great Orion Nebula 0 unknown — 42.9° at 12:10 107.8° 0.0
M45 Seven Sisters 0 unknown — 72.6° at 10:20 86.7° 0.0
NGC 7000 North America Nebula 87 unknown 23:10–03:45 (good) 87.2° at 03:30 56.8° 2.0
V1057 Cyg 87 unknown 23:10–03:45 (good) 87.2° at 03:30 56.8° 1.58
M33 Triangulum Pinwheel 13 unknown 02:20–03:45 (marginal) 79.2° at 08:05 61.7° 0.67

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2045-07-03"

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"}.