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An exoplanet collision

An exoplanet collision

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...

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My experience of the 2023 spectro course

My experience of the 2023 spectro course

At the end of this article, you will find the different presentations made by the course leaders!August 8th arrival at OHP Great day to plant setups at the Haute Provence Observatory. Amidst rosemary, myriads of little white snails and other small creatures, I arrived...

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2SPOT: a spectro setup in Chile

2SPOT: a spectro setup in ChileBy Olivier Garde, Pascal Le Dû, Lionel Mulato, Thomas Petit, Stéphane Charbonnel© Deep Sky Chile spotSince the 2000s, many amateurs have been installing remotely controllable telescopes on sites in Chile in order to compensate for the...

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Sn 1181, an unusual story …

Sn 1181, an unusual story …

At first glance, it is curiosity that motivates any amateur who observes the sky. Sometimes this curiosity is rewarded by acquiring a very beautiful picture or by explaining a physical phenomenon that takes place thousands of light years from Earth, through spectroscopic observation.

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Scientific papers, radial velocities and eShel

Scientific papers, radial velocities and eShel

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...

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Making Science with an Alpy

Making Science with an Alpy

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...

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Spectroscopy : practical guide

Spectroscopy : practical guide

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...

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