Technical: Using Aperture masks

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Technical: Using Aperture masks

Post by Merlin66 » Tue Apr 17, 2012 8:50 am

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: ... icle4.html
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before ... scopy/info
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer

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