UVEX by Shelyak : first light

UVEX by Shelyak : first light

The UVEX by Shelyak : first light By Olivier Garde I had the opportunity to test one of the two prototypes of the UVEX version made by Shelyak Instruments. This version of UVEX differs from the “3D printing” versions already produced by several teams with...
OHP Spectro Star Party 2020

OHP Spectro Star Party 2020

OHP Spectro Star Party 2020 Every year, Association Aude and Shelyak Instruments organize the Spectro Star Party at the Observatoire de Haute Provence, in St Michel l’Observatoire, near Manosque in southern France. The event is canceled for health organization...
TimeBox : to accurately measure an occultation

TimeBox : to accurately measure an occultation

TimeBox : to accurately measure an occultation By César VALENCIA-GALLARDO, February 2020 Timing of astronomical occultations and other astronomical phenomena need to be done in an absolute time scale with a precision of a few milliseconds in order to pull and compare...
Demetra 5.1 : A major development

Demetra 5.1 : A major development

Demetra 5.1 for Alpy 600 Spectroscopy has never been so simple! By François Cochard, février 2020. Demetra is the software developed by Shelyak Instruments to facilitate the implementation of Alpy 600 spectrograph, from image acquisitions to data reduction. Convinced...
How to choose your autoguiding camera in 2020 ?

How to choose your autoguiding camera in 2020 ?

How to choose your autoguiding camera in 2020 ? By Olivier Garde & François Cochard In astronomical spectroscopy, guiding camera is an important element, since it’s what makes it possible to point the right target (star, nebula, etc.), then to ensure precise...
The Whoppshel in action on a 60 cm telescope

The Whoppshel in action on a 60 cm telescope

The Whoppshel in action on a 60 cm telescope By Olivier Garde The Hubert Reeves observatory in Mars (Ardèche – south of France)(Copyright photo : Olivier Garde) The Whoppshel spectrograph has been designed for telescopes of 0.6 to 1m in diameter class (or even...
Demetra 5.1 : A major development

Demetra : a new version is available

Demetra : a new version is available By François Cochard and Olivier Garde During the last spectro party at OHP this summer (August 2019), Many of you used Demetra software with your Alpy 600 spectrograph. You gave us some suggestions on this occasion (you also...
Spectro Party OHP 2019 : retrospective

Spectro Party OHP 2019 : retrospective

Spectro Party OHP 2019 : retrospective by Olivier Garde The Spectro Star Party at Observatoire de Haute Provence in France took place from August 2sd to 7th, 2019 and hosted more than 50 attendes from very different levels. The weather allowed us to enjoy the 5 nights...
Study of a spectroscopic binary with amateur setup

Study of a spectroscopic binary with amateur setup

Study of a spectroscopic binary with amateur setup By David Antao David Antao started astronomy in 2001. In 2002 and 2003 he passed the CNED university diplomas, in Astronomy and Astrophysics. Long observer in visual, he begin spectroscopy in 2008, a field he knows...
A compact telescope shelter

A compact telescope shelter

A compact telescope shelterBy Olivier Garde & François Cochard The open shelter (photo : François Cochard) Having a fixed installation is a dream for many astronomers, amateurs as well as professionals. This is particularly the case in spectroscopy, because the...
Spectroscopy Whorkshop SMSW-2

Spectroscopy Whorkshop SMSW-2

Spectroscopy Workshop SMSW-2 By Olivier Garde   The second edition of the spectroscopy workshop SMSW-2 “Sacramento Mountains Spectroscopy Workshop”, was held in Las Cruces, New Mexico, on February 22nd, 23rd et 24th 2019 in the beautiful setting of...
Magnitude 17 with a LISA

Magnitude 17 with a LISA

Magnitude 17 with a LISA By Olivier Garde During a planetary nebula confirmation mission, we were able to use a LISA spectrograph on a 1m  telescope, the T1m “Epsilon” of the C2PU. The C2PU has 2 twin telescopes. One is named Omicron (West dome) and the...