The H-Beta 1.25" nebula filter from Explore Scientific is ideal for enhancing the observation of hydrogen-dominated emission nebulae. This filter blocks almost all artificial light, allowing only the hydrogen emission lines at 486 nm to pass through, revealing celestial objects that are invisible without a filter, such as the Horsehead Nebula. With improved contrast, even under slightly light-polluted skies, this filter is an essential tool for amateur astronomers passionate about exploring the deep sky.

Features:

• Diameter: 1.25’’
• Blocks almost all artificial light
• Only allows hydrogen emission lines (486 nm) to pass
• Optimized for observing emission nebulae

Benefits:

• Reveals nebulae that are difficult to see without a filter, such as the Horsehead Nebula
• Enhances the sharpness and contrast of observations under light-polluted skies
• Essential tool for amateur astronomers passionate about deep sky

Compatibility:

• Compatible with 1.25’’ focuser

The Explore Scientific H-Beta filter is perfect for sharper and more detailed observations of hydrogen-dominated nebulae, providing an enriched observing experience.