Filter for nebula UHC 2" from Explore Scientific is designed to enhance the observation of celestial objects by blocking most artificial light, allowing to reveal nebulae invisible to the naked eye under a light-polluted sky. This filter exploits the emission lines of hydrogen and oxygen, essential for visualizing deep sky objects like the Owl Nebula or the Dumbbell Nebula.

Features:

• Blocks almost all artificial light
• Allows passage of emission lines of hydrogen (486 nm, 656 nm) and oxygen (496 nm, 501 nm)
• Diameter: 2''

Benefits:

• Improves the contrast of deep sky objects
• Allows viewing of invisible nebulae under a slightly illuminated sky
• Perfect for observing faint objects beyond the solar system

Compatibility:

• Compatible with all 2'' eyepiece holders

Ideal for amateur astronomers searching for additional details in the observation of nebulae. Explore the deep sky with significantly improved image quality thanks to the UHC filter from Explore Scientific.