I've been meaning to raise this point for a while but kept forgetting. Some of the Shelyak Lhires III slideshows include the "Orders of magnitude" slide, which...
oui est t'il n'ecesaire d'Avoir un system parabolique pour faire de la spectro ou si un mirroir pherique peut suffire c'est presque le meme probleme que le...
Hello all, First of all, all my best wishes to all of you for this New Year 2009. Have you ever thought about a spectrograph with enough resolution for your...
Bonjour à tous : Pendant cette sécheresse observacional dûe au "mauvais temps", je l'ai profité pour finir de mettre a punt le Meade16. En quand au LHIRES,...
hello! I'm a new member of the group and a new user of SA which I use directly mounted on a CANON 450 with a tripod. Any one could give me any advice on best...
Hello BM, Here are my film spectra of Betelgeuse. If the attachments are deleted by Yahoo, tell me and I will send them to you privately. Tom Buchanan ... ...
Dear colleagues, my last spectrum of P Cyg (2008/12/25) shows a dramatic decrease of the blue absorption component of Halpha compared with a spectrum of ...
Bonjour :) BM : pour bételgeuse, j'en ai fait un bien meilleur... mais j'ai beaucoup de mal à le calibrer. Voici un spectre de rigel pris hier soir avec : ...
Hi all :) Here is my first \o/ spectra... between clouds... only one shoot. Tonight, I will do better. Weather seems really great. So : 350D (unmodified) +...
Bonjour :) Comme il a fait beau j'ai des spectres de castor (A2V) que j'aimerais bien traiter et notament pour trouver ma réponse instrumentale. Je suis...
From the recent Shelyak presentation at RCE 2008 it would appear that their new echelle spectrograph, the "eShel", is nearly ready for production. When can we...
Bonjour :) j'ai fait l'achat d'un staranalyzer 100 pour l'atelier astronomique de mon lycée. Pour ce que j'ai pu rapidement essayé (quel temps pourri en...
I am considering using my Canon 350D (unmodified) with the Lhires III to achieve a wider spectral coverage ... as I can't presently justify the cost of an...
Dear all, I've found in a photoshop a white screen to reflect/diffuse light and would like to use it to take flat fields for spectrography. I plan to attach...
Hi all, The discussion I had recently on the German VdS spectroscopy group with two of the professionals there might be of interest here too (attached) It...
Until now I have avoided the need to splice/join two or more spectra but recently, to monitor nova development over a 3000A range, I am faced with that task....
One of the main problems I have found with making overlapping spectrum 'windows' is that every time the grating angle is changed a new flat field is required....
Hi all :) Some of my students need a Betelgeuse and Rigel spectrum. basically to get surface temperature And some basics components. (not need a High...
is it possible to take a spectro of the moon and detect some kind of water or the pollution stop every thing I red in other group this message group ...
Christian, Thank you for the link to some very interesting presentations, not only on spectroscopy, and congratulations to all the presenters. Bernard ... ...
Hi all, At mag 7 this object is an absolute must for anyone with a spectrograph who lives far enough South. A spectrum may well determine what sort of object ...
Dear all, The observations of the LRA2 field of CoRoT started 2 weeks ago. Please don't forget to regularly observe (at Halpha) the two hot Be stars of this...
Hi all, Attached is a comparison of Eps Aur H alpha showing the change from February to October before the eclipse starting next year. Also on the website ...
Hi Jeff, I processed a spectrum of WR140 I took this week using both IRIS (2D>1D optimal) and Vspec (manually selecting the spectrum) to do the binning. The ...
