EXPLORE SCIENTIFIC 2" UHC Nebula Filter

The EXPLORE SCIENTIFIC UHC Nebula filter allows precise observation of deep sky objects

  • High-quality EXPLORE SCIENTIFIC UHC Nebula Filter
  • Only allows the transmission of emission lines of hydrogen at 486nm and 656nm and the oxygen lines at 496nm and 501nm
  • Absorbs all remaining emission lines and almost all artificial light

€83.00*

Available, delivery time: 1-3 days

Product number: 0310210
GTIN/EAN: 4007922000053
WEEE-Reg.-Nr.: DE 34716369

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Here is the table of contents of the comprehensive BRESSER Telescope Guide:

Sky Guides by Bresser

The Sky Guide provides comprehensive information on constellations, planetary positions, and astronomical events – perfect for planning your observations and delving deeper into astronomy.
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Product information "EXPLORE SCIENTIFIC 2" UHC Nebula Filter"
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lights, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar system enormously. Depending on the type of the celestial object, it is possible to dramatically increase the contrast by blocking annoying artificial light. The EXPLORE SCIENTIFIC UHC filter "zeros in" on the wavelengths of so-called emission nebulae. Those objects glow in special colours - their emission lines. Those emission lines are linked to chemical elements - in this case hydrogen at 486nm and 656nm, plus oxygen at 496nm and 501nm. The EXPLORE SCIENTIFIC UHC nebula filter blocks all other colour wavelengths (and thereby nearly all of artificial light) and only the emission line of the hydrogen and oxygen can pass the filter. The result is astonishing: suddenly nebulae are visible at locations that were completely invisible from, without filters. In suburban skies, for example the Owl-nebula M97, the Veil-nebula NGC 6992 or even the bright Dumbell-nebula M27 are not clearly visible. Using this filter allows you to see nebulae and their structures in much finer detail. A must for every visual observer. The Explore Scientific nebula filters come with a individual test certificate - your guarantee to receive a premium filter.
Colour: black
Field of application [Telescope-filter]: Filter for Deep-Sky Observing and Astrophotography
Material: Glass, Plastic
Telescope filter type: Nebula Filter
Warning Note 1: General safety instructions DANGER Risk of eye injuries! Never look directly at the sun or near the sun through this device. There is a risk of blindness! Children should only use the device under supervision. Keep packaging materials (plastic bags, rubbe
Warning Note 2: Never look at the sun through an eyepiece/telescope without a certified protection filter. A moon filter can never be used for solar observation. The moon filter is only suitable for moon observation. The solar filter must be mounted in front of the teles
Warning Note 3: Never leave the optics unattended. Children and inexperienced adults could point the telescope at the sun without proper precautions and lose their eyesight.
Warning Note 4: Do not expose the device to high temperatures.

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