11. The facility consists of fields of heliostat mirrors focusing sunlight on receivers located on centralized solar power towers. 12. The company, located in Boston, Massachusetts, introduced its heliostat system for sale in February 2009. 13. Each heliostat is made up of 35 6?mirror facets, yielding a heliostat overall usable area of. 14. Each heliostat is made up of 35 6?mirror facets, yielding a heliostat overall usable area of. 15. These two auxiliary telescopes both have a 0.91-meter heliostat which are located beside the main heliostat. 16. These two auxiliary telescopes both have a 0.91-meter heliostat which are located beside the main heliostat . 17. In the late 1970s, a competition was held by the DoE to obtain the best heliostat design for the project. 18. It was finished around 1994 and includes a 12 " primary and a 4.75 " first surface heliostat mirror. 19. The computer is given the latitude and longitude of the heliostat 's position on the earth and the time and date. 20. These two spectrographs are able to rotate to compensate for the rotation of the image caused by the use of a heliostat .
