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Old 16-02-2021, 03:09 PM
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Merlin66 (Ken)
Spectroscopy Wizard

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CV19 Lockdown Project???

Paul’s 3D printed LowSpec instrument is giving very good performance and is very cost effective.
https://www.thingiverse.com/thing:2455390
Well supported on the https://groups.io/g/astronomicalspectroscopy

Many of us use BASS Project for Spectral processing. It has a comprehensive manual and well supported.
https://groups.io/g/BassSpectro

Remember if you build/buy a spectrograph it can also be used with a suitable scope as a spectroheliograph (SHG). Then you can safely image the solar disk at any wavelength CaK, Mg, Fe, Na, any of the hydrogen Balmer lines etc. etc.
Fulvio's good eBook on his SHGs is worth reading.
English version here:
http://www.lightfrominfinity.org/Libro% ... graphy.pdf

There are further details on the https://groups.io/g/astronomicalspectroscopy
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Old 19-02-2021, 09:36 PM
Rob_K
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Good links Ken, thanks!

Cheers -
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Old 20-02-2021, 06:29 AM
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Merlin66 (Ken)
Spectroscopy Wizard

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Rob,
I believe for the immediate future the amateur options for spectrographs will be dictated by the growing interest and capabilities of the 3D instruments.
There are many design options still to be successfully “transferred” to 3D printing. Interesting times.
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