Install skycat by entering the following commands in the terminal:
sudo apt update sudo apt install skycat
Description:
Image visualization and access to catalogs and data for astronomy
The ESO/Starlink Skycat tool combines the image display capabilities of the RTD (Real-Time Display) with a set of classes for accessing astronomical catalogs locally and over the network using HTTP. The tool allows you to view FITS images from files or from the Digitized Sky Survey (DSS).
Homepage: http://archive.eso.org/cms/tools-documentation/skycat.html
Version: 3.1.2+starlink1~b+dfsg-5
Section: universe/science