17 Jul, 2019 | News, Projects
How I go about planning the acquisition and logging of a stellar spectra ? By Forrest Sims Forrest Sims observes from his garden observatory in Gilbert Arizona. Having only bought his first telescope 5 years ago, Forrest was late to the astronomy party. Classical...
4 Jun, 2019 | News, Projects
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...
9 Apr, 2019 | News, Projects
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...
28 Mar, 2019 | News, Projects
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...
8 Feb, 2019 | News, Projects
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...
14 Jan, 2019 | News, Projects, Technics
The Whoppshel, a high resolution echelle spectroscopeBy Olivier Garde The Whoppshel was born from the demand of our customers to have a higher resolution echelle spectroscope than the eShel for telescopes of one meter class. The whoppshel, with a resolution R = 30000,...
19 Nov, 2018 | News, Technics
Nowadays, it is more and more frequent to remote control our telescopes. It brings some comfort but also a better quality of observation – because the less we touch the instrument, the less we risk to break the tuning. It is particularly true in spectroscopy....
4 May, 2018 | News, Projects
Planetary nebulae confirmationBy Olivier Garde Recommanded equipment : Alpy, Lisa Time : about 4 h For several years, amateur astronomers have been discovering probable planetary nebula candidates thanks to their own images or by scrutinizing professional surveys...
