First night out with William Optics GT71
The Andromeda Galaxy is a spiral galaxy with diameter of about 220,000 light years, approximately 2.5 million light-years from Earth and the nearest large ga...
The Andromeda Galaxy is a spiral galaxy with diameter of about 220,000 light years, approximately 2.5 million light-years from Earth and the nearest large ga...
It was a sunny day, at home with my children when I realised that is a very good opportunity to show them the Sun through my Newtonian telescope. So, I broug...