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Re: Side Error Adjustment in the Horizon Mirror - Soviet CHO-T
From: Alexandre Eremenko
Date: 2004 Oct 13, 19:08 -0500
From: Alexandre Eremenko
Date: 2004 Oct 13, 19:08 -0500
Lisa: On Thu, 14 Oct 2004, Lisa Fiene wrote: > As I have interpreted it, the screw on the horizon mirror that is > closest to the frame is for correcting Index Error, the screw which is > furthest from the frame is for Side Error (shear). I understood it in the same way. So far, I don't know what my Index Error is, but know it is small: all star tests show exact 0 or sometimes -0.1'. But the Sun tests show -0.2' to -0.3'. So I never touched this screw. > Will look at the perpendicularity thread, > although I did not find any > difficulty with the adjustment of the index mirror. Some of my messages earlier in this thread were incorrect: having experience only with SNO-T I generalized it to all sextants. Alex.
