grainge1973:
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grainge1973:
My home made iPhone holder for telescope . Fits over the eyepiece
grainge1973:
My iPhone connected to 90mm scope
grainge1973:
image
grainge1973:
My motorised barn door tracker, constructed of two pieces of mdf with a hinge at one end, I have used a 1/4 20 rod at 11.4 inches from the hinge, you would normally turn the rod at 1 rpm clockwise to cancel out the rotation of the earth , it worked well b
grainge1973:
My motorised barn door tracker, constructed of two pieces of mdf with a hinge at one end, I have used a 1/4 20 rod at 11.4 inches from the hinge, you would normally turn the rod at 1 rpm clockwise to cancel out the rotation of the earth , it worked well b
grainge1973:
My timelapse slider at work in wales