C2A

The software C2A (Computer Aided Astronomy) offers a robust suite of features tailored for astronomy enthusiasts and professionals. In version 2.1.13, users can experience an array of functionalities that extend from generating detailed views of stellar fields to integrating extensive catalogs such as SAO, GCVS, WDS, Gliese, and Hipparcos. Developed by Philippe Deverchère, C2A stands out with its ability to access online databases like ArasBeAM, Exoplanet Transit Database, and IAU Meteor Showers, enhancing its versatility significantly.

Available for download, C2A supports multiple Windows operating systems, including Windows XP, XP Professional, Vista, 7, 8, 10, and 11. The program file names—c2aw.exe, and C2A.exe—ensure easy identification and installation. The software also has stable previous versions like 2.1, and 2.0. Categorized under Education with a subcategory of Science Tools, this program is a top choice for those looking to delve deep into the realms of astronomy.

C2A is also known for its practical features such as planetary position computing, asteroid and comet path display, ephemeris production, and telescope control. Users can even create custom object catalogs in either TXT or compiled catalog file formats.

Pros:

• Comprehensive tool for professional and amateur astronomers.
• Extensive catalog integration.
• Free to download.
• Compatible across a wide range of Windows OS versions.

Cons:

• User interface might seem complex for beginners.
• Requires internet access for full functionality.

Overall, C2A remains a highly recommended free tool for those passionate about exploring the universe and expanding their astronomical knowledge.

It is not possible to confirm if there is a free download for this software available on the developer's website. We recommend checking the downloaded files with any free antivirus.

You may want to check out more software, such as SRIM, StatPlus or EarthBrowser, which might be similar to C2A.