Sky tonight

Sky tonight (2018-11-13) in Belgrade. User simple slider control below the map to change the time of map.


factor 15 is a script fully developed by the Public Observatory assocciates. Idea to develop this kind of script came from a topic at our old on-line forum. Script is licensed by an OpenSource licence, e.g. it is publicly available for any use and continued development.

Tehnical data

Script is written in PHP language and relies on it's GD 2.0 (Image functions) extension. MySQL Server support is required for star coordinates and object ephemeris.

In order to develop this script more extensively or just use it on your own web-site, feel free to download it's source code from the link below.