Is tonight actually usable for stargazing or astrophotography? Combines real dark hours and true moon illumination (computed from first principles) with live hourly cloud cover, weighting low cloud above high cloud. Returns a 0-100 usability score per night hour, the best consecutive usable run, and a plain verdict. lat/lon required; tz_offset and when optional.
輸入參數lat必填lon必填whentz_offset
Stateful quake subscriptions. Unlike a local tool, the filter and its cursor are stored on the server, so poll returns ONLY events newer than your last poll - no re-scanning, no client-side dedupe. Actions: create (min_magnitude, place), poll (id), list, delete (id).
輸入參數idownerplaceaction必填since_hoursmin_magnitude
Recent earthquakes from USGS. Filter by window (hour/day/week/month), minimum magnitude, and place text. Returns magnitude, place, depth, time.
輸入參數limitplacewindowmin_magnitude
Current weather and the next 12 hours for a latitude/longitude, from Open-Meteo. No API key required.
輸入參數latitude必填longitude必填
Current latitude/longitude of the International Space Station.
無需輸入參數。
One-shot summary of what is happening on Earth right now: 24h earthquake totals plus current ISS position.
無需輸入參數。
Real sky for a place and night: sunrise/sunset, moonrise/moonset, true moon phase and illumination, and the best dark window for stargazing. Computed from first principles (no key, no ephemeris file).
輸入參數lat必填lon必填whentz_offset
Current (or given date's) moon phase and illumination for a location.
輸入參數latlonwhen
The real sky for a place and an instant: sunrise/sunset, moonrise/moonset, true moon phase and illumination, and the best dark window for stargazing. Pure astronomy, no API key.
輸入參數lat必填lon必填whentz_offset