Lumicon Ha filter .
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Lumicon Ha filter .
Hi I have been given an old Lumicon Ha filer with ERF for a SCT ,BUT no instruction book/sheet. Has anyone got one of the filters with info sheet,and could Email me a copy, I would be most grateful ,John.
- Merlin66
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Re: Lumicon Ha filter .
Goggle Lumicon solar filter. You’ll find technical info and images.
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer