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Meade Filters Glass Solar Filter 1200
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Meade Filters Glass Solar Filter 1200
264.05 £
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These solar filters are designed to ensure safe full aperture (also known as clear aperture) viewing, maximizing the amount of light that enters your telescope. By allowing the full aperture of your telescope to be observed, they provide optimal daytime viewing conditions, particularly in situations with minimal atmospheric turbulence. 
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Meade Filters 750 ID solar filter, 190mm
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Meade Filters 750 ID solar filter, 190mm
180.92 £
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These solar filters ensure safe full aperture viewing, maximizing the amount of light entering your telescope. By allowing the full aperture of your telescope to be observed, they offer optimal daytime viewing conditions, particularly when atmospheric turbulence is minimal. In instances of turbulence, a mask can be applied over the filter's end to effectively reduce the aperture.
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euro EMC SF100 solar filter Size 9: 215mm to 273mm
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euro EMC SF100 solar filter Size 9: 215mm to 273mm
92.91 £
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Our solar lens filter ensures precise observation experiences with its meticulously crafted design. The filter film is seamlessly tensioned between two robust aluminum rings, guaranteeing a flat and secure positioning. Featuring freely adjustable tube clamps, it offers compatibility with all telescope models, except for the Schiefspiegler, as well as finderscopes and binoculars.
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DayStar QUARK Magnesium I (b2) Line
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DayStar QUARK Magnesium I (b2) Line
1442.15 £
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Magnesium is a notably magnetized element present on the sun, known for its high temperatures during energetic activity. Spectroscopically, the Zeeman effect manifests as a "splitting" of the line, where dark absorption occurs slightly above and below the typical wavelength of non-magnetized activity, notably at 5172Å.
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DayStar QUARK H-alpha filter Gemini
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DayStar QUARK H-alpha filter Gemini
2409.15 £
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Introducing the Daystar Quark Gemini, a revolutionary tool that combines both Prominence and Chromosphere bandpass filters, allowing instant switching between the two views. With this innovative device, observers can seamlessly transition between broad-stroked prominences and high-contrast narrow bandpass views without the need for equipment swapping or refocusing.
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Coronado ST 90/800 SolarMax II BF15 0.5A Double Stack OTA
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Coronado ST 90/800 SolarMax II BF15 0.5A Double Stack OTA
5423 £
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Double Stack: Every SolarMax telescope comes equipped with double stack technology, featuring two etalon filters arranged in series. This configuration reduces the half width of the light passing through the H-alpha line to less than 0.5 Angstroms. Without double stack, the half width remains below 0.7 Angstroms. You can find the half width specified in the product name and technical details of the telescope.
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Coronado ST 90/800 SolarMax II BF15 0,7A OTA
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Coronado ST 90/800 SolarMax II BF15 0,7A OTA
3756.9 £
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Double Stack: Each SolarMax telescope is equipped with double stack technology, featuring two etalon filters aligned in series. This configuration reduces the half-width of the light passing through the H-alpha line to less than 0.5 Angstroms. Without double stack, the half-width remains below 0.7 Angstroms. You can find the half-width specified in the product name and technical details of the telescope.
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Coronado ST 40/400 PST Personal Solar Telescope 0.5A OTA
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Coronado ST 40/400 PST Personal Solar Telescope 0.5A OTA
1600.76 £
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High-resolution sub-angstrom H-alpha systems have traditionally remained financially out of reach for amateur enthusiasts. Non-Coronado designs often pose challenges due to temperature and F-Ratio requirements. Enter the PST: not only does it boast an impressive bandpass of <1.0 Angstrom, but it also ensures thermal stability, requiring no more effort to operate than inserting an eyepiece and adjusting focus.
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Coronado Blockfilter BF 5mm 1.25"
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Coronado Blockfilter BF 5mm 1.25"
369.15 £
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The blocking filter stands as the pivotal second element in any Coronado H-alpha system, pivotal not only for your safety but also for the system's performance, akin in importance to the front element. It is essential to note that the blocking filter cannot function autonomously; it requires a Solarmax H-alpha front cell for operation.
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Baader Astro+solarly sun filter foil, max. Grioesse, 1170x1170mm, telescope quality, lp: 5.0
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Baader Astro+solarly sun filter foil, max. Grioesse, 1170x1170mm, telescope quality, lp: 5.0
220.51 £
Tax included
Observing the Sun is always a delightful experience, not limited to solar eclipses alone. The dynamic nature of sunspots, constantly changing in number, shape, and size, offers an engaging spectacle. With sufficient magnification, one can even discern the core and boundary areas of a sunspot—the umbra and penumbra. However, it's crucial to ensure that sunlight is reduced to under 1/100,000 of its normal brightness for safe observation.
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