Astronomik UHC-E M Filters for Deep Sky Observation & Comets backyard astronomy telescope NGC6960 © Andrea Andreotto Maggi

NGC6960 © Andrea Andreotto Maggi Astrophoto

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Astronomik UHC-E M Filters for Deep Sky Observation & Comets backyard astronomy telescope NGC6960 © Andrea Andreotto MaggiAstronomik UHC E M Filters The Astronomik UHC E filter is a budget friendly option for deep sky observation of emission nebulae and comets, especially under light polluted skies. It is particularly suitable for smaller telescopes up to 5" (125mm). Main Use The Astronomik UHC E filter offers a full width at half maximum (FWHM) of 45nm, effectively blocking light from typical streetlights (sodium and mercury vapor) and airglow. This enhances the