How To Install python-astrometry on Ubuntu 18.04

In this tutorial we learn how to install python-astrometry on Ubuntu 18.04. python-astrometry is Astrometry plate solver (Python package)

Introduction

In this tutorial we learn how to install python-astrometry on Ubuntu 18.04.

What is python-astrometry

python-astrometry is:

The astrometry engine will take any image and return the astrometry world coordinate system (WCS), a standards-based description of the transformation between image coordinates and sky coordinates.

This package contains the Python Package.

There are three methods to install python-astrometry on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install python-astrometry Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install python-astrometry using apt-get by running the following command:

sudo apt-get -y install python-astrometry

Install python-astrometry Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install python-astrometry using apt by running the following command:

sudo apt -y install python-astrometry

Install python-astrometry Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install python-astrometry using aptitude by running the following command:

sudo aptitude -y install python-astrometry

How To Uninstall python-astrometry on Ubuntu 18.04

To uninstall only the python-astrometry package we can use the following command:

sudo apt-get remove python-astrometry

Uninstall python-astrometry And Its Dependencies

To uninstall python-astrometry and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove python-astrometry

Remove python-astrometry Configurations and Data

To remove python-astrometry configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge python-astrometry

Remove python-astrometry configuration, data, and all of its dependencies

We can use the following command to remove python-astrometry configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge python-astrometry

References

Summary

In this tutorial we learn how to install python-astrometry package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.