Shelyak Spectroscope Lhires III (50969)

The Shelyak Lhires III is a high-resolution spectrograph designed for amateur astronomers, educators, and collaborative research projects. This instrument makes advanced spectroscopic studies accessible, enabling users to participate in professional-level observations and data collection. Its robust design and precision engineering allow for detailed analysis of celestial objects, making it a popular choice for both individual and group projects.

The Lhires III spectrograph is an excellent tool for anyone interested in high-precision astronomical spectroscopy, offering both versatility and performance for a wide range of observational projects.

Key Features

• Spectral resolution power of approximately R ~18,000

• Achieves a resolution of 0.035 nm near the H-alpha line

• Wavelength selection via a micrometer for precise adjustments

• Mirror slit with adjustable width from 15 to 35 µm, reflective for guiding (other slit options available)

• Internal Argon-Neon or Neon lamp for wavelength calibration and internal tungsten lamp for flat fielding

• Motorized calibration capability for remote operation

• Enhanced C-mount guiding port with a focal ratio of 0.8x

• Guiding camera backfocus range: 15.5 mm to 21 mm with C-thread

Included Accessories

• 1.25" eyepiece holder

• 2400 lines/mm diffraction grating module

• SC-Telescope adapter