helij·12 วันที่ผ่านมา·discusshttps://stellafane.org/tm/index.html has good guides. There are astronomy forums such as CloudyNights with their own ATM sections. Edmind Optics has All About Telescopes by Sam Brown available online - https://www.edmundoptics.com/ViewDocument/All%20About%20Tele...There are so many books around this and many great website such as this one for example: https://www.bbastrodesigns.com/tm.html
helij·4 เดือนที่ผ่านมา·discussI've been using ODF professionally and privately for years now without any issues. What's the problem your side?
helij·4 เดือนที่ผ่านมา·discussOne of the first things I install on any new computer is Gimp. Thank you to all involved in the Gimp project.
helij·7 เดือนที่ผ่านมา·discussLinux & LibreOffice. At the end of the day I'm grateful to all people who work on open source and free software.
helij·7 เดือนที่ผ่านมา·discussPeople mix common cold with flu all the time. If you have the flu you usually can't even go out of bed, even with medication.
helij·4 ปีที่แล้ว·discussPlease, please know your history[0] before speaking.[0]https://www.history.com/news/industrial-revolution-spies-eur...