New! Version 1.1 includes support for Barlows while imaging.

the complete CCD Calculator program (3.3MB).

the light version of the CCD Calculator program (1.5MB).

The Light version includes only three reference images, but it is otherwise identical to the full version.

The download includes the CCD Calculator program as well as all files needed to run the program. This includes the Visual Basic 6 runtime. You no longer need to download the runtime separately.