The Whoppshel, a high resolution echelle spectroscope (about R=30000)read more
Nearby or in thousands of km, take control of your calibration & flat lamps for Alpy, Lhires III and LISA.
SPOX module : to remotely control the flat and calibration lamps for Alpy 600, Lhires III and LISA.read more
Realize a spectrum of a very weak object with a LIsa or an Alpy, it is possible.read more
Retrospective of Spectro star party OHP 2018, photos, spectra and more…read more
What about chasing Be stars outbursts this week-end ? All you need is a good spectro !read more
A doublet “bespoke” to optimize the eShel in the blueread more
How to use new collimator of the eShel II spectrograph with Audela software ?
AudeLA manages pictures acquisition and then data reduction.
Spectra made with Shelyak spectroscopes were used in a publication on the symbiotic star AG Draconis.read more
How to confirm a planetary nebulae candidate ?read more
Le nouveau site web de Shelyak Instrument est en ligne !read more
New faces within Shelyak Instrumentsread more
Spectro star party OHP 2018 : from 13th to 18th jully 2018read more
Article in the SAF French magazine on the confirmation of planetary nebulae using Shelyak spectrographs.read more
o promote astronomical spectroscopy, British Astronomical Association (BAA) organised last year a program including financial help for buying spectroscopes (Alpy made by SHELYAK Instruments)read more
Scientific papers, radial velocities and eShel SHELYAK Instruments has sold many eShel to professional observatories around the world. The results enable our clients to advance science with paperss. We do not systematically refer to these papers because there are...read more
Making Science with an Alpy The last paper in Astronomy & Astrophysics magazine (A&A) “New outburst of the symbiotic nova AG Peg after 165 years “ is based on spectra collected by observers from all around the world (12 nations represented) with...read more
Spectro Star Party OHP 2017 Like every year for more that 10 years, we actively participated to the OHP 2017 spectro star party. This meeting takes place in the wonderful site of Observatoire de Haute Provence (http://www.obs-hp.fr/welcome.shtml). This year, it was...read more
Spectroscopy : practical guide The french version of the book is now a reference in the Astronomical community. It has been rewarded by a lot of great comments from readers, and papers in magazines. It is now available in english : Successfully Starting in...read more
Comment mesurer le redshift d’une galaxie lointaine avec un spectrographe basse résolution.read more
Symbiotics stars Recommended equipment : Star Analyser, Lhires III, eShel, Alpy, Lisa Time : one night or a life time ! Summary Symbiotic stars are interacting binary red giant & hot stars. The red giant loose material which is accreted by the hot star...read more