Spectroscopy, from initiation to performance
It's always a pleasure to announce a new instrument in our catalog, but this pleasure is increased by the fact that this instrument has been widely requested and even suggested by several observers. It was Robin Leadbeater - many years ago - who first alerted us to...
How did a team of amateur astronomers become co-authors of an internationally renowned scientific publication?An association of amateur astronomers 2SPOT[1] is a public-interest scientific association created in 2019 by five amateur astronomers (Stéphane...
You'll find all our Demetra video tutorials on this web page. Demetra is a free software package for processing spectra from the ALPY 600, LISA and eShel spectrographs from the Shelyak Instruments range. Playlist of Demetra tutorials Tutorial #1 Introduction to...
Comment mesurer le redshift d’une galaxie lointaine avec un spectrographe basse résolution.