Each of the ELT’s custom mirrors is a feat of optical design. Dr Vernet describes the 14ft (4.25m) convex M2 mirror as “a piece of art”. But perhaps the M1 and M4 mirrors best express the ...

At Avantier, we specialize in crafting custom cold and hot mirrors tailored to a wide range of specifications. Our mirrors can be optimized for your preferred angle of incidence (commonly 0° or 45°), ...

Put normal_config.js and party_config in config directory, Put normal_custom.css, party_custom.css and gplaypattern.jpg in css directory. In SSH, use command 'bash part.sh' to use party config and css ...