Control system of a diffraction grating in the spectrograph of the telescope bst-2 at CRAO
The control system of a diffraction grating and indication of its position in the spectrograph of the telescope BST-2 is described. The system is designed to be operated both manually and automatically by means of a computer. The accuracy of a grating rotation angle is 1.72′′. The description of mechanical parts and electronic components of the system is given. All the system components are designed and manufactured in the Solar Physics Laboratory of CrAO.
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