The Alpy calibration module is usually added to the front of the guiding module and the Alpy 600 Spectrograph. It allows wavelength and flat calibration to be recorded while your spectrograph is attached to the telescope.

• Argon/ neon/ hydrogen lamp for wavelength calibration
• Tungsten lamp for flat calibration
• Can be operated remotely (with separate power supplies)
• Weight: 10.6-ounces
• Size: 3.9 x 3.7 x 1.2-inches