On the morning of July 30th I took some spectra and obtained the following spectrum of EA. There are a lot of atmospheric lines that needs to be eliminated but...
Stan Gorodenski
stanlep@...
Aug 1, 2008 4:30 pm
5026
Hello José, Your spectrum is nice. Now, for few cycles, RR Lyr exhibits a sort of bump during the growth and the maximum itself occurs 0.05 days later than...
Alain Klotz
alain.klotz@...
Aug 2, 2008 6:19 am
5027
... Hello, Good job. Do not forget that the predictions of the next occultation of epsilon Aurigae are from 4-Aug-2010 to 3-sept-2011. It is usefull to obtain...
Alain Klotz
alain.klotz@...
Aug 2, 2008 6:24 am
5028
Hello all, This is a new message to announce that BeSS have reached the 800 spectra ! Remember : end of February, 6 months ago, I told you we had 400 ...
François Cochard
francois.cochard@...
Aug 7, 2008 4:47 pm
5029
... You mean 800 spectra provided by amateur astronomers... BeSS already contains over 40000 spectra of Be stars! Cheers, Coralie -- Coralie Neiner GEPI, bat....
I thought this might be of interest as I know it is a favourite target of LHIRES III owners ;-) First Resolved Images of the Eclipsing and Interacting Binary...
Hi Robin, Most interesting. Thanks for the link. Jeff At 10:38 -0700 08/08/2008, Robin Leadbeater wrote: I thought this might be of interest as I know it is a...
Bonjour à tous _ADJUSTABLE OPTICAL SLIT 2008...08- Surplus Shed_ (http://www.surplusshed.com/pages/item/m1570d.html) et Star Analyser En vente après...
LairdeBaud@...
Aug 12, 2008 10:57 am
5033
The Surplus Shed slit should be mounted in a wooden block, I used a small piece of plywood, drilled 18mm to accept the slit. (A tight fit will allow the slit...
Sound good to me. The only thing I would add is the slit needs to be far enough from the front of the lens to be able to focus the image of the slit on the...
Dans un e-mail daté du 03/10/2007 13:44:39 Paris, Madrid (heure d'été), lopezvilla2000@... a écrit : Une première photo du montage pour mesurer la...
LairdeBaud@...
Aug 14, 2008 9:40 am
5037
Bonjour Tu peux retrouver le plan du capteur sur le boitier Canon, effectivement il est gravé à gauche du support flash qd tu regardes l'APN par dessus (rond...
Dans un e-mail daté du 11/11/2007 01:26:30 Paris, Madrid, robin@... a écrit : I bought the slit from here ...
LairdeBaud@...
Aug 15, 2008 9:45 am
5041
Dans un e-mail daté du 15/08/2008 10:43:01 Paris, Madrid (heure d'été), Olivier.Thizy@... a écrit : During last Riverside Telescope Makers...
LairdeBaud@...
Aug 15, 2008 10:52 am
5042
Hello Pierre, This is how I did it using a webcam and a 25mm vixen Lanthanum eyepiece. http://www.threehillsobservatory.co.uk/astro/spectroscopy_4.htm but you...
... Here are the message threads which have more information on the needle reflection technique. http://tech.groups.yahoo.com/group/staranalyser/message/963 ...
Hi Robin,hi all We need to know the focus of the eyepiece (plossel 26 m) but at the astronomic club we can't know to determine,to define that......oops But we...
LairdeBaud@...
Aug 16, 2008 3:40 pm
5046
Hi Your eyepiece has a field stop, right ? Thats the place where the slit would have to be placed to see slit sharp when the scope was focused to infinity. But...
Hi Pierre, The easiest way to get the right position is to try it on the bench. (see photo). The distance from slit to camera CCD should be approximately 4x26...
Bonjour Pierre, To take spectra of the sun, I used non-glare glass in front of the objective lens. You may also place the glass in front of the slit, but not...
Excellente idée Olivier, merci. Mais François, qui est le seul à travailler car il ne fait pas les photos, méritait une image plus grande!!! Amicalement, ...
Dans un e-mail daté du 16/08/2008 20:23:46 Paris, Madrid (heure d'été), robin@... a écrit : The distance from slit to camera CCD...
LairdeBaud@...
Aug 17, 2008 6:12 pm
5053
On Sun, 17 Aug 2008 10:06:31 -0000 ... Re. Juste pour info, le site "officiel" du stage OHP 2007 regroupant des photos ainsi que les conferences donnees lors...
BM
bmauclaire@...
Aug 17, 2008 9:02 pm
5054
Hi Robin ........hi all Last question I hope about the specto with the adjustable slit and SA 100 We are looking for a tube coupling identical or similary...
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