Links
| "First Class" Links - (very helpful) |
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Astronomical Ring for Access to Spectroscopy - ARAS |
| Kampaigns |
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Spectrashift - Extrasolar Planet Search Project for Amateurs Externally Dispersed Interferometry TOPS - Theory and Observation of Pulsating Stars
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| Commercial Spectrographs |
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Shelyak Instruments (LHIRES III) Baader Planetarium (DADOS Spektrograph) |
| Manufacturers |
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Proxitronic - Bildverstärker und Bildwandler |
| Miscellaneous |
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