Description

Shelyak UVEX Motorized 

The UVEX is a Czerny-Turner spectrograph called “crossed” and optimized for wavelengths ranging from near UV (<350nm) to near IR (1µm).
It is particularly dedicated to be used on Ritchey-Chretien telescopes with a diameter up to 12 or 14 inches (at F d 8)

The uvex comes with a 600 l mm grating blazed at 500nm as well as an adapter ring for ZWO cameras (other rings for QHY and ATIK cameras are also available as an option).

The UVEX

• The UVEX is a so-called “crossed” Czerny-Turner spectrograph optimized for wavelengths ranging from near UV (<350nm) to near IR (1µm).
• It is particularly dedicated to be used on Ritchey-Chretien type telescopes with a diameter up to 12 or 14 inches (at F d 8)
• The UVEX comes with 600 tr mm blazed @ 500nm grating as well as an adapter ring for ZWO cameras (other rings for QHY and ATIK cameras are also available as an option).

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  Mototrization :

  • Motorized UVEX allows you to choose the central wavelength observed and to adjust the focusing of the spectroscope.

  • Control of the integrated calibration module: The motorization integrates the control of the calibration module (function equivalent to the SPOX module). It is therefore easy to make your images of black, flats and calibration, remotely.

  • The UVEX motorization module is accompanied by a new version of the DEMETRA software:
    – Calibration “by readjustment”. We establish once and for all the law of dispersion, and we can readjust it on a well identified line. This is useful for covering all areas from UV to IR, when the reference lines are few.
    – Motors module management,
    – Image sequences, to link several series of images,
    – Consideration of CMOS cameras (by the CMED correction step).

  • The spectrograph slit has 5 positions that can easily be changed using a Phillips screwdriver (delivered with the UVEX). Several slit widths are thus available: 25 μm, 50 μm, 100 μm, 300 μm and a hole of 25 μm. Other slits are available as an option and Alpy slits are compatible with UVEX.

     

    Recommandation :

    We recommend to use an ZWO ASI 183MM pro camera with the UVEX spectrograph

     

    Technical Specifications

    UVEX Specification

    • Cross Czerny-Turner spectrograph optical design
    • Spectral range : 350 nm to 1µm
    • Spectral resolution with a 600 gr mm grating R=1700 @ 650nm
    • Multi position slit : 25µm, 50µm, 100µm, 300µm and a hole of 25µm
    • Optimal telescope F d ratio : f 8
    • Compatible with ZWO, QHY et ATIK camera with a backfocus <14mm

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      Motorization Specification

      • Motorized grating: select the central wavelength you want to observe.
      • Motorized focus: fine tune the UVEX focus position, to get the best optical quality.
      • Calibration module: control light source, through the (external) calibration module. You can switch between Sky, Dark, Flat and Calibration.
      • Dimensions (UVEX + Motors module, w o cameras): 153 x 154 mm Height: 133 mm
      • Weight: 1.46 Kg (w o camera)

      • In the Box

        • UVEX Spectroscope
        • Integrated motorization
        • A 600 gr mm grating blazed at 500nm
        • A bag of spare screws
        • An adapter ring for ZWO cameras
        • Cable to control the calibration module.

        • Not included
          – 12V 1A power supply
          – USB 2 cable connecting the motorization to the computer

          Manual & Warranty

          • The User manual
          • Dimensions (UVEX + Motors module)

          • Software :

            • Demetra UVEX Version 7.3.0.0 – 09 2022

            • USIS controller
            • Spécification USIS (protocole de communication)
            • Scripte Pyton : Démo

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              Shelyak 1-Year Warranty