Software installation instructions
Install Anaconda Python 3 distribution
You can install the open-source Anaconda Individual Edition for free.
If you already have Anaconda installed, make sure it is up-to-date. Open a Terminal window enter the command
conda update conda
Install SAOImageDS9
DS9 is a stand-alone application that runs on MacOS, Linux, and Windows operating systems. It opens and displays FITS images and supports many advanced features. DS9 allows you to easily change color maps, change the display scaling, zoom, rotate and crop images.
Install custom astronomy packages
Open a terminl window and enter the following commands
conda install -c conda-forge astroalign
conda install -c conda-forge photutils