Tuesday, December 24, 2013

Diffraction grating filters: SA-100 vs RO-200

Rainbow Optics RO-200 provides more details in star spectra, more absorption lines are visible/detectable. Star Analyzer SA-100 is better for faint stars since generated spectrum is narrow. 

Examples of spectra for three bright stars (Capella, Menkalinan and Al Kab).

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