1.  The article was first posted on May. 01, 2025.

2. Revised on May. 02, 2025

     Added an R.A. and Dec. display application program MCT-6_1.TXT to the attached files.

     Added mechanical drawings and schematic diagrams to the attached files. 

3. Revised on May. 04, 2025

     Added links to photos of previous projects for terms about YTM-3, control unit, and counting unit.

4. Revised on May. 06, 2025

     In Fig. 4, the values that have changed since the previous project are shown in red.

5. Revised on Jun. 20, 2025

     Added description of faster program MCT-6_4.TXT in Chapter 6 Display software.

     Added Table 1 of the positioning error evaluation results to the Chapter 7 Result.