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Linking a telescope to a spectrograph through an optical fibre (Part II)

5.3   Field acquisition (fibre viewer) When observing with a telescope linked to a spectrograph through an optical fibre, the first problem you are confronted is the way to place the image of the star exactly in front of the … Continue reading

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1. Introduction

Optical fibres are widely used in professional observatories in order to detach spectrographs from telescopes. The advantages are indisputable but at expenses of a reduction of light flux available to the spectrograph. In amateur astronomy observers are confronted to the … Continue reading

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Integrating a breadboard Echelle spectrograph

CAOS participated in the “Spektroskopietagung” organized by ASPA- “Aktive Spektroskopie in der Astronomie” that took placed in Bebra (Germany) last May 7-9 2010, with a workshop of 4 hours where we presented our latest breadboard Echelle spectrograph FLECHAS (Fiber Linked … Continue reading

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ESO Atlas of the Thorium-Argon Spectrum

We offer here two  Atlas of the Thorium-Argon Spectrum from the ESO digital library at ESO (European Southern Observatory http://www.eso.org) : An_Atlas_of_the_Thorium-Argon Spectrum-3900-9000 Å Region. ESO. S. D’Odorico, M. Ghigo, D. Ponz. CASPEC_Thorium-Argon_Atlas-3050-3650 Å Region ESO. L. Achmad, L. Pasquini

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