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  #21  
Old 15-09-2010, 10:34 PM
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Merlin66 (Ken)
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Yes, but that way we can do spectroscopy 24 hrs a day!!
Ken
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  #22  
Old 15-09-2010, 10:57 PM
riklaunim
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I have Star Analyser, which is the easiest solution for astro spectroscopy I think. Sirius spectrum I've got with it and DMK21, processed in VSPEC is in the attachement.

On the other hand VSPEC could be better / more stable and slit based spectroscopes much cheaper. It's tempting to obtain spectra of selected part of a planet like Jupiter or Saturn.
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  #23  
Old 15-09-2010, 11:10 PM
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Merlin66 (Ken)
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I agree 200%
The Star Analyser/ Rainbow Optics gratings are the ideal way to start.
Cost effective, easy to set-up and easy to use.
The limited resolution and dispersion does limit the data, but nevertheless provides ideal training in the processing of spectra through both IRIS and VSpec.
Janet S. over here in the UK has actually managed some interesting results using the SA100 in the second order ie double the dispersion!
I also have a guy in the US who wants the monitor the Zeeman effects on sunspot groups using a hi-res slit spectroscope....it's never ending...
Finding a cheap solution for novices was the driving force behind the development of the Spectra-L200.
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  #24  
Old 20-09-2010, 10:37 PM
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higginsdj
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OK - I'm in. Just bit the bullet and put down my deposit.
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  #25  
Old 20-09-2010, 10:42 PM
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Merlin66 (Ken)
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Welcome to the Club!
I'll have to change my signature again....
"Astronomical Spectroscopy-The Final Frontier" -to boldly go where many amateurs are queuing up to go!
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