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Some individuals simply see better in the dark. Others always need some illumination to see.[I remember someone who was amazed that I could look up the chart number in my Uranometria atlas with only the light from the sky--he couldn't see the black ink on the page and could barely make out the outline of the book. We were both amazed at each other's vision. ]

Still, Mauro's logic is inescapable. I suspect the truth lies somewhere between the conclusions of the researchers and the experience of astronomers. But how to set up a test........

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My night vision has always been superb (even at 60); it's my day vision that sucks.



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10x50 Fujinon FMT-SX binos
15x70 AP binos + Paragon p-mount
Oberwerk 100BT 45 degree + Hercules fork mount
120mm f/5 Orion achromat + Moonlite focuser
140mm f/5.7 Vixen NeoAchro Petzvel refractor
150mm f/6.5 Antares achromat
150mm f/8 homemade achromat....EE Barnard MW Sweeper
8 inch newt with f/5 Swayze mirror
10 inch f/4.7 Orion newt + Paracorr
15 inch f/5 Discovery split tube
35mm Pan, 26mm Nagler, 17mm Nagler, 13mm Ethos, 8mm Ethos

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