Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 1.25" Round Mounted

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The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms.

SKU: CUS-HA45NM-125
Manufactured by:
Custom Scientific
 

Product Description

The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms. This helps enhance the visibility of hot gas being excited by the electrons giving off excess energy of photos due to close luminous hot stars being born nearby. Since this is a 4.5 nanometer bandpass, it is highly recommended that this filter be used with telescopes that have slower focal ratios to achieve maximum efficiency. This filter is available in 1.25" round mounted, 50mm round unmounted, and 50mm square formats.

  • H-Alpha filter wavelength
  • Excellent for slower focal ratio telescopes
  • Works well with emission nebulae or planetary nebulae with excited hydrogen atoms

 

 

 

 

 

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Specifications

Name Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 1.25" Round Mounted
Manufacturer Custom Scientific
Model CUS-HA45NM-125

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