New double wavelength filter OIII+Ha

Use this section to discuss "standard" Baader/Coronado/ Lunt SolarView/ Daystar, etc… filters, cameras and scopes. No mods, just questions/ answers and reviews.
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New double wavelength filter OIII+Ha

Post by Merlin66 » Fri Mar 30, 2018 11:59 pm

The new filter from Cyclops may be of interest..... basically a Continuum white light with added Ha, 10nm bandpass. ... ilter-48mm
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before ... scopy/info
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer

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