Software installation commands
NOTE: The following commands must be run from the terminal and the StarGO2/Plus must be connected to the Internet!

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PHD2:

wget -O - https://www.astroberry.io/repo/key | sudo apt-key add -
sudo su -c "echo 'deb https://www.astroberry.io/repo/ buster main' > /etc/apt/sources.list.d/astroberry.list"

sudo apt update

sudo apt-get install phd2

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SKYCHART ( Cartes du Ciel)
1) Install the Skychart repository:
bash <(wget -qO- https://raw.githubusercontent.com/pchev/skychart/master/setup_skychart_deb.sh)

2) Update repository:
sudo apt update

3)Install Skychart without full dependencies (does not install the packages required for the Artificial Satellites display, you can install them later):
sudo apt install --no-install-recommends skychart
More object version
sudo apt-get install skychart-data-stars skychart-data-dso skychart-data-pictures

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CCDciel Install
1) Install the public key:
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8B8B57C1AA716FC2

2) Add Skychart unstable repository:
sudo sh -c "echo deb http://www.ap-i.net/apt unstable main > /etc/apt/sources.list.d/skychart.list"

3) Update repository:
sudo apt-get update

4) Install CCDciel:

sudo apt-get install ccdciel