Dual Beam Spectrograph Dual Beam Spectrograph The DBS was originally on the 2.3m Telescope at Siding Springs. Our intention is to modify the spectrograph and feed light to it from the H127 Telescope at the Greenhill Observatory. This page contains some notes and documentation on the DBS UTas notes on installing Cicada under Solaris PDF The original PASP paper on the DBS PDF DBS web pages from the wayback machine PDF SSO 2.3m DBS Observing notes. PDF Pictures of the ARC controller boards PDF E2V 2048×512 CCD manual PDF