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Model: ae_fltr_hb_125Part Number: 20204
The Astro Essentials H-Beta Visual Filter is designed for telescopes with apertures 8" and larger.
It allows the H-Beta emission line to pass and is particularly suited for visual observation of dark emission regions.
The Horsehead Nebula in Orion is a good example of an emission area well suited to observation with the Astro Essentials H-Beta Filter.
Other suitable targets include the California Nebula and other dark nebula.
FLO delivered in under 24 hours AGAIN (as usual) Can't fault the service. Unfortunately, I was unlucky enough to get a filter that DID 'come with clouds" (to be fair the sticker did warn of it) so have not had chance to use it yet, but the build quality seems top notch, so very happy.