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ZWO OAG-L or Guide Scope Setup
The Major Emission Lines of Nebulae:H-β486
360° rotation for accurate framing and composition
Imaging Camera: ZWO ASI2600MM-PRO
Telescope Structure
ToupTek New narrowband 2inch filter Paging Kit ZWO OAG-L or Guide ScopeToupTek New narrowband 2inch filter Narrowband filters make astronomical photography more interesting. Emission nebulae contain rich and complex narrowband emission lines, such as the deep red 656. 28nm H emission line, the red [SII] (671. 6nm and 673. 1nm) and the blue green [OIII] (500. 7nm and 495. 9nm). Compared with broadband, narrowband filters only focus on a few very narrow bands, retaining only a few nanometers to a dozen nanometers of
US$ 4764.00
US$ 19.98
