4 ms·
DIY telescope discussion on HN 2 weeks ago: https://news.ycombinator.com/item?id=43351988 https://news.ycombinator.com/item?id=43351988
by hatthew 2y ago
DIY telescope discussion on HN 2 weeks ago: https://news.ycombinator.com/item?id=43351988 https://news.ycombinator.com/item?id=43351988