Телескопы - Bresser EXPLORE SCIENTIFIC 2 H-Beta Nebula Filter - быстрый заказ от производителя

Bresser EXPLORE SCIENTIFIC 2 H-Beta Nebula Filter

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9995 с НДС

Под заказ. Срок поставки от 3 недель

46804
4007922004525
Bresser

Новое

Delivery Instore
возможно после 13.12.2024
Забрать в магазине
Бесплатно
Delivery Postbox
возможно после 13.12.2024
Пакомат (Omniva, DPD, Venipak)
Бесплатно
Delivery
возможно после 13.12.2024
Курьер (DPD, Omniva)
от 10 €
Delivery Bycicle
возможно после 13.12.2024
Велокурьер (только в Риге)
от 7 €

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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 bejond the solar systems enourmously. Depending on the type of the celestial object it is possible to increase the contrast dramatically by blocking the annoying artifical light. The Explore Scientific H-beta filter uses a characteristic property of the so called emmission nebulae. Those objekcts glow in special colors, the so called emmission lines. Those emmission lines are linked to chemical elements - in this case hydrogen. The Explore Scientific H-beta nebula filter blocks all other colors (and thereby nearly all of the artificial light) and only the emmission line of the hydrogen can pass the filter. The result is astonoishing: suddenly nebulae are visible at locations that were completely empty without filters. In suburbian skies for example the horsehead nebula is almost not visible with a 300mm telescope. By using this filter you can see the nebula and its structures without problems. A must for every visual observer.
The Explore Scientific nebula filters come with a individual test certificate - your guarantee to receive a premium filter.
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