As my daughter says "Procrastination....gives you too much time to think!"
Finally, I set-up an ol' Classical spectroscope I built about ten years ago with the ST80 (fl400) as a SHG.
Clouded out, but first light looked very promising.
Images, I hope, to follow....
Onwards and Upwards
New "small" SHG
- Merlin66
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New "small" SHG
"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