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Figure 2: Front bracket mounted with channel highlighted in blue.
Figure 3: Center ring of the OTA assembly highlighted in blue.
There are four or eight 5/16-18 x 1-1/8-inch SHCSs depending on the OTA for each of the brackets. The
threaded holes used for the 20-inch Officina Stellare 500 model OTA are shown in Figure 8, and for the
20-inch Planewave CDK20 OTA in Figure 5. The threaded holes for 24-inch Officina Stellare 600 model
OTA are shown in Figure 6. The threaded holes for an Officina Stellare model 400 OTA are shown in
Figure 7.
Figure 4: Eight 5/16-18 threaded holes for Officina Stellare 500 OTA bracket (front on the left, rear on the right).
Figure 5: Four 5/16-18 threaded holes for Planewave 500 OTA bracket (front on the left, rear on the right).