Abstract
An automatic mirror guide has been designed and made for the Raduga fiber-optic echelle spectrograph. The new device was built into one of the parts of the spectrograph and allows the work of observers to be facilitated significantly. The automatic guide efficiently removes stellar image oscillations at frequencies of 0–2 Hz, which compensates almost completely for errors in setting the polar axis of a telescope and in its clockwork drive. The guide can be used on any telescope with a focal length of more than 5 m and has operated on two different telescopes. Over two observing seasons, several hundred stellar spectra were taken with the Raduga spectrograph using the automatic guide.
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Translated from Pis’ma v Astronomicheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Zhurnal, Vol. 31, No. 8, 2005, pp. 634–640.
Original Russian Text Copyright © 2005 by Potanin.
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Potanin, S.A. Automatic guide for the Raduga astronomical spectrograph. Astron. Lett. 31, 569–574 (2005). https://doi.org/10.1134/1.2007034
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DOI: https://doi.org/10.1134/1.2007034