Astronomy and weather toolkit for stargazing.

Astroweather is a weather forecast dedicated to weather for astronomical observation. Astroweather is derived from a product from 7timer.org, incorporated astronomical weather forecast and sunset/sunrise, moonrise/moonset display.

Web-based metrological forecast products, mainly derived from the NOAA/NCEP-based numeric weather model, the Global Forecast System (GFS). 7Timer! was firstly established in July 2005 as an exploration product under the support of the National Astronomical Observatories of China and had been largely renovated in 2008 and 2011. Currently, it is supported by the Shanghai Astronomical Observatory of the Chinese Academy of Sciences. It was firstly designed as a weather forecast tool for astronomical purposes, as the author himself is a long-term star gazer and was always annoyed by fluky weather conditions.

Astroweather also provides services including:

1. Astronomical event forecast
2. Light pollution map, satellite images
3. Rise and set times for stars, planets, moons, and satellites
4. An astronomy forum