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| I haven't used a vibration insulated block on
which to mount the scope. This would of needed to be rather large
and as I planed to use the scope mostly for imaging in the comfort
of a warm room, I felt it to be unnecessary. The footings for the
walls are about 12" deep. 1 course of bricks was then laid. The
centre was dug out, a couple of inches of sand added, followed by
damp proof membrane. Then a 4-inch concrete pad was poured. |
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| Concrete blocks were used for the walls, which
need to be very circular (tested my brick laying skills). Others
have used fibreglass or wood bases. My feeling is walls are best
made of brick (or block). It won't cost much more to do and is a
whole lot more stable. The height of the walls is 4 foot. This need
to be the same as the height of the telescope when its pointed at
the horizon or the scopes view will be obstructed. |
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The Poor Meadow Dyke Galleries are now open. THE
GALLERIES |
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See the full range of Atik cooled CCD cameras for
astronomy on the Atik Website
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