do some of you observe any variable star and have result this site get a lot of info http://www.aavso.org/publications/manual/#french but no spectra somebody...
not the subjet the focal point! Is it possible to do spectro when we are out of focus? waht are the consequencess6 lest signal only that or more bad spectro ...
Hi Jaques, If you are not using a slit, like the usual Star Analyser arrangement, the focus is very important. If the spectrum is out of focus you will lose...
ok thank for these beautifull answer now I can tel you why I asking this we have at the club and old schmitch cam at 200mm and probaly 300 of curve and fix...
... wrote: Robin, what is the correct focus routine for using your adjustable slit + eyepiece in projection tube + grating on webcam or camera? Always focus...
Hi Jerry, I first adjusted the camera/eyepeiece spacing to bring the slit into sharp focus with the camera/grating/eyepiece/slit assembly off the telescope....
... Yes the zero order image of the slit should appear sharp against the bright background. It was just more convenient for me to assemble the whole thing...
... Thanks Robin. As you probably have guessed Im asking for myself & others who are reading this or will get it. This is good info to have - As always,...
Hello Somebody to tried to obtain line of IO sulfur (the moon of Jupiter), it is possible? Greetings Marcelo Rios ... ¡Sé un mejor fotógrafo! Perfeccioná...
maybe this group can help you http://tech.groups.yahoo.com/group/spectro-l/ but I douth you have almost some mag and light from a so little subject if i...
do you speak about this http://adsabs.harvard.edu/abs/1986STIN...8825419O it look like they used a 4 meter telescope and we have some 16 inch scope jack 47'N...
Very nice Robin! Someday I must give spectroscopy a try. Jeff At 15:33 -0700 08/09/2007, staranalyser wrote: I have posted a spectrum from last night of this...
Thanks Jeff. The Star Analyser is certainly a nice gentle introduction. Just pop it in your filter wheel or camera nosepiece and away you go. I have added...
((( Someday I must give spectroscopy a try.))) if you give a try also to CD room spectro I am not ready yet to explain all how to but it is like this take a...
Hi Robin Forgive me if this is not the correct group for this question but I took my spectrum with me Staranalyser so I guess there is a connection;0) Trying...
Hi Steve, Definitely not OT. In fact I was planning to extend my simple Vspec guide to include calibrating for instrument response. This is the way I do it: ...
Thanks for the quick reply Robin. Every thing goes fine until I get to the- `Reselect your spectrum (intensity in the drop down list on the icon toolbar)` Now...
Think I might have answered my own question Robin. I have to select the actual profile on the graph not the drop down window. I Keep getting a few run time...
Steve, In case you have several profile windows open, you need to select the one with your profile. You can select the profile you want (either intensity,...
Thanks for the reply Olivier. I am at the point where I have a fit.division profile. How and where do I save this new profile please?. If I try and `save as` a...
This is where I am up to calibrating for ccd response- 1,Align,calibrate and crop my spectrum (Beta Peg) 2,Choose m2iii.dat library file and overlay 3,I am...
Steve, VisualSpec only save the four first profiles: intensity, ref1, ref2, and normalized. So you have to replace on of those by your division. Select your...
Steve, When you do your step 1, could you tell how you do it? Is your spectrum already a profile or do you: 1a, open your image 1b, bin image into profile...
... Thanks Olivier. I was choosing `reference binning` instead of `object binning` seems to work fine now. BTW as I have been following the out of date Vspec...
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