Chris:.... it was the perfect opportunity to test out the new aperture stops I had made last week and see if I could benefit from stopping down the Six Inch to a lesser aperture and actually improve the resolution of the images. Read on Gentle reader and see what we found:
http://www.schursastrophotography.com/s ... icle4.html
Technical: Using Aperture masks
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Technical: Using Aperture masks
"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