WebThe Astronomik UHC Visual Filter 2in is a narrow band filter for visual observation of certain types of emission nebulae. Search. Cart (0) 0 item(s) in your cart Total £0.00. View cart. Checkout. Login ... How to read the chart. Suitability. Visual observation (dark skies): Very good, for telescopes of all apertures and high exit pupil ... WebThe UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light …
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WebWhen buying an Explore Scientific 2" UHC Nebula Filter, you will receive a unique test report, giving a wavelength graph of your individual filter. All Explore Scientific filters, including this one, come in an attractive presentation box and airtight plastic container to keep dust and other foreign objects away from the filter's surface when in storage and protect the filter … Web1 May 2012 · The UHC filter permits superb views of objects like the Orion, Lagoon, Swan and other extended nebulae. It performs well in smaller aperture instruments owing to its … seattle wharf hotels
Telescope 1.25" UHC Ultra High Contrast Narrow Bandpass Filter
WebThe Lumicon UHC is an effective light pollution filter. Light Pollution Transmission Lines 405nm 436nm 546nm 558nm 570nm What effect do these blocked wavelengths have in … Web6 Jan 2024 · Each graph’s elevated regions represent wavelengths where most of the light is allowed to pass. In contrast, the low-lying areas represent wavelengths being blocked by … Web2 Apr 2024 · Transmission is excellent. However an effective “UHC” bandwidth is ~ 20nm wide. This Orion UltraBlock filter’s bandwidth will work as intended but is not “efficient” ie less contrast, as the narrower UHC versions such as the Astronomik UHC, Lumicon UHC Gen III and TeleVue Bandmate II UHC. seattle what to do