Hello Robin, I uploaded a new attempt at a reference spectrum for SAO79794. I focused on the surrounding stars rather than the spectrum itself. I have not...
Hi Gary, The Balmer lines are still not as clear as I had expected but I think I can identify a couple with enough certainty to get a calibration (32.95A/pixel...
Hi Robin, Thanks for looking at the image and sharing the calibrated plot. I'll try a few more class A stars to see if this the soft lines are a pattern with...
I am in the process to make something very curious make a photo of the moon whit a scnner I have this edeal for long time and now I have the oportunity BUT my...
Hi Gary, I had a go at SAO79794 myself the other night and the Balmer lines were not much clearer than you got even with the 16.77 A/pixel my setup gives, so...
I see this table about the min and max of algol star http://www2.globetrotter.net/faaq/ephemerides/algol.htm mybe the spectro change also somebody can tel us...
Hi Jaques, I think you will will see very little change at Star Analyser resolution as the mix of the spectra of the two stars is dominated by the more...
I upped the f/ratio of my 30cm SCT to ~f/3 to hopefully better match tighter star images to the 5.5micron camera pixels but it results in severe aberrations...
Hi Maurice, I am not exactly really sure where the optimimum trade off is but the Star Analyser seems to work ok even at these fast f ratios, perhaps because...
Hi Jacques, I have seen a few amateur IR and UV filtered images of Venus uing webcams. I have also seen spectro-selenography and -saturnography with an LHIRES...
IF I untherstand well the site http://www.astrosnap.com/softprotest/Tutoriel%20SpectroHelio.pdf suggest to just find the Ha absortion line of the sun spectro...
Yes I used Astrosnap to produce my spectroheliograph images using the LHIRES. http://mysite.wanadoo-members.co.uk/astro2/spectra_29.htm I guess something...
ok thank for the your support ... .... I do not untherstand why the slit do we be able to do whiout the slit?? ... ....I continue my experiment whit CCD and...
Greetings to all from Texas, As you can see by the subject I am new to this group. My wife and I have been interested in spectroscopy for a little over a year...
Hi Robin, Thank you for the welcome to this group and many thanks for answering our questions. The problems are now solved! We'll order the DSI camera today....
Carl, I have a Meade DSI color camera and use the Star Analyser on it. The Infrared filter on the camera can be removed by unscrewing the barrel then letting...
Hi Tom, Thanks for the good information about Meade DSI cameras. I just ordered a DSI Pro II monochrome. Decided to go with the monochrome for the better...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the staranalyser group. File :...
staranalyser@yahoogro...
Apr 30, 2007 3:33 am
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Hi folks Like to say `Hi` just joined the group and wondered if any members happen to have used the DMK type firewire cameras with their star analyser and if...
Hi Steve and welcome to the group :-) I think your problem is more likely to be getting the star analyser close enough to the CCD rather than needing spacers....
Hi again Steve, You may find that your camera has a CS mount, which has the same thread as the C mount but needs 5mm less back focus, giving you an additional...
Yes thanks for the info Robin. I did get a small spacer that came with the camera which should help. I have contacted Imaging solutions for the back focus...
Hi Steve, It sounds like it is a CS mount then and using the (5mm ?) spacer makes it compatible with a C mount. so... The back focus of a CS mount camera is...
... Hi again Robin The cs to 1.25" adaptor I have at present seems to fit the bill with a nosepiece (I assume you mean the 1.25" bit that fits in the holder)...
... Modern ... that with ... total ... long is ... with a ... holder) is ... for ... which has ... able to ... cut a ... grating to ... 12.5+28)?. ... It...
Hi Robin Re my C mount to grating spacing again. I`ve acquired another C to 1.25" nylon type adaptor with filter thread. When screwed into my DMK camera...
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