Tag Archives: spectrograph

and then there was COLOR!

Fiddling around with the spectrograph again today… the goal: to install the software, drivers and hardware for the guiding camera. The unit is a little, tiny, compact (did I say small?) video camera made by Watek and a USB video … Continue reading

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Instrumental Response: Another Journey

To calibrate a spectrograph in terms of wavelength is one thing: get a lamp with known emission line wavelengths and use it to calibrate on a pixel-by-pixel basis the wavelengths of light coming out of the instrument. Ok – done. … Continue reading

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Of Wavelengths and Calibration

The eShel spectrograph from Shelyak Instruments in France has arrived, and with it a lot of excitement about all the possibilities of projects for the future! The unit came into the country and stopped for a brief stint at an … Continue reading

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