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Manuel d'utilisation CHARON CHARON fonctionne avec GUIDE. Ces logiciels sont développés par : Project Pluto 168, Ridge Road Bowdoinham ME 04008 USA
For use with Linux, Windows, Mac OS X Look at the News and Documentation for more information about this version. Download the current stable version or the last beta version and please report any problem here .
C2A ( C omputer A ided A stronomy ) is a Planetarium software that allows you to build detailed views of stellar fields. An important objective of this software is to take into account the main catalogues available to professional and amateur astronomers in order to prepare observations on small fields as well as astrometry and photometry works. C2A is also an easy to use general purpose Planetarium software with many functions. C2A is able to display the following catalogues: SAO , GCVS , WDS and Hipparcos (all four provided with the standard program distribution), Guide Star , Tycho-2 (both can be downloaded from this site in the Downloads page), USNO-SA1.0 , USNO-A2.0 , USNO-B1.0 , UCAC1 , UCAC2 , UCAC3 , UCAC4 , NOMAD and PPMXL (which are not provided with the distribution because of their size).
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