1. Downloading and Installing IRIS in your Computer
Download the program (3.3 Mb) using this link. Extract the contents of the Zip file in a directory of your choice. In this example, I named the folder Iris and placed it in Program Files. Explore the contents of the folder and click the file iris.exe to launch IRIS (create shortcuts as necessary).
Here’s how IRIS’s window looks like.
Night Sky in Focus | Astronomy and Amateur Radio © Anthony Urbano | Manila, Philippines