Shelyak Alpy & Uvex Photometric Slit 23/200 (SE0145)

Shelyak Alpy & Uvex Photometric Slit 23/200 

Special photometric slit for the Alpy 600 spectroscope (to be used with the guiding module) and UVEX.

See product description

Cf Christian Buil web pages (some in french) on this method:
http://www.astrosurf.com/buil/calibration2/method.htm
http://www.astrosurf.com/buil/calibration2/absolute_calibration_en.htm
http://www.astrosurf.com/buil/alpy600/photometric_slit.htm

Technical Specifications