45cm Newtonian on a split ring/fork hybrid mounting.

The Declination bearings are about 1400mm above the ground. Declination and lower Polar bearings are 85mm hollow shafts in tapered rollers. Final drive is a 25:1 friction roller driven through a 180:1 worm reduction by a stepper motor. Declination drive is via a tangent arm, with about 7.5 degrees of travel.

First images taken with the new AP7 CCD from The Planetary Society Gene Shoemaker NEO Observing Grant

Copyright 1998 © Gordon Garradd.

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