Yesterday I picked up the modified mirror cell at Astrosystems Holland. After installation in my Newtonian I quickly found out that collimation is very precise now. Moving the telescope in various directions does not alter the collimation anymore. Before the moon came up I watched the Andromeda galaxy, with M31, M32 and M110 (very easily) in my 33mm William Optics SWAN. After that I watched Jupiter and its great red spot in the 10mm Vixen LV Plossl. With the same oculair I watched many mountains on the moon. It has been a lot of work, but the result is very rewarding.
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