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| In progress: This article or section documents one or more features whose implementation are in progress. |
The orrery is a simple application for the openmoko platform which displays the night sky. It is nothing like as elaborate as, for example Google Sky or xephem. It is intended to be a small application that will have a storage footprint comparable to a ringtone, or one of the games bundled with the openmoko rootfs. It requires no network connection, but does use the GPS information, by querying gpsd.
The image above shows the default display - all stars visible to the unaided eye, with colors for the brightest ones. It's displayed with a Transverse Mercator projection (similar to Norton's Star Atlas) which works well with the VGA aspect ratio.
