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C2A for Windows 7 - A solar system simulation software - Windows 7 Download

C2A Windows 7

C2A 2.1.5

Allows you to build detailed views of multiple stellar fields

C2A (Computer Aided Astronomy) 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 2.1.5 full details

File Size: 41.00 MB
License: Freeware
Price: FREE
Released: 2018-09-18
Downloads: Total: 462 | This Month: 2
Publisher: Philippe Deverchère
Publisher URL: http://www.astrosurf.com/c2a/english/


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User Rating: 3.5 (18 votes)

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C2A 2.1.5 full description

C2A now supports the binary PPMXL catalogue compiled to answer the needs of the occulation hunters. C2A (Computer Aided Astronomy) 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, NOMAD and PPMXL (which are not provided with the distribution because of their size). For photometry purpose, C2A natively integrates the Loneos catalogue (UBVRI photometry of faint field stars, which is part of the standard distribution package). C2A is able to access directly over the Internet the catalogues ArasBeAM (for spectral observation of Be stars - see the site homepage and Exoplanet Transit Database (to plan exoplanet transit observations - see the site homepage Finally, C2A integrates an asterism catalogue.

Regarding deep sky objects, C2A is provided with 3 catalogues: the Revised New General Catalogue and Index Catalogue (credit Wolfgang Steinicke - see the site Revised New General Catalogue and Index Catalogue), the Catalogue of Principal Galaxies (PGC 2003) as well as a catalogue of deep sky objects based on the RNGC and NGC2000 catalogues. C2A is also able to display field images transferred from the ESO DSS and STScI DSS (Digitized Sky Survey) servers over the Internet. Finally, users have the possibility to associate their own images to various types of objects.

The user can also create its own catalogues of objects, either under the form of text files or compiled catalogues. Finally, C2A integrates numerous functions such as planetary position computing, asteroid and comet path display, ephemeris production, telescope control, ... All these functions are described in the Information page of this Web site.

C2A 2.1.5 download tags

C2A 2.1.5 Windows 7 release notes

New Release
First integration of the Gaia Grappa2 catalogue. This integration is still experimental et is intended only for selected users.
URL format has been changed to automatically access orbital elements from the Minor Planet Center web site (the secured version of the HTTP protocol is now used).
The equatorial coordinates of the asteroids and comets are now updated in the control panel in case the date and time of the current map are changed.
An issue is fixed when close user objects are identified in the map.
[ C2A release history ]
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