ISIS is a complete package to process CCD images using the image subtraction method:

  Image subtraction using constant kernel
  Alard & Lupton 1998, ApJ, v. 503, p. 325

  ISIS contains 3 sub-packages, and allows to build light curves of variables objects from a series of CCD images

Download Software

ISIS2.2 is a slightly modified version of 
ISIS2.1. The 2.2 version should provide 
an ISIS code that is comptabile with 
all versions of the compiler gcc.

With tutorial



Short Description


Checking Installation

Using the Package