Sat 09 Sep 2023 08:37:19 AM CDT new Debian release – Version 1.9 for Focal. Old release for Jessie is no longer available. Debian apt install instructions: apt-key adv --keyserver keyserver.ubuntu.com --recv-keys AB406C34 Add file /etc/apt/sources.list.d/nickstrauss.list : deb [ arch=amd64 ] http://apt.nick-strauss.com/apt/debian focal main apt update apt-get install orbtimes