Hi, Thought I would share the details and pictures of my home built ASI120mc based all sky camera The whole project cost around £25 not including the camera obviously....... The dome is covered in cling film for protection against scratches while building it The dome is 140mm diameter 100mm with 20mm flange all round The waterproof electrical box is 190mm x 140mm x 70mm All the bits, waterproof electrical box, Acrylic dome of optical quality, ASI120mc with 150 degree lens, old computer