The R.A motor mdule runs on electricity only. The incorporated bearings produce smooth and stable movements.
The R.A motor module has an USB micro-B plug and it works on an commercially available USB external power supply battery. The external battery of 0.5 ampere in con formity to DCP specification is required. When it is used in combination with an AP declination body unit, it is usable with 4×AA batteries also.
Versatile tracking options are available in addition to the sidereal tracking rate.
The four direction buttons on the STAR BOOK ONE dual-axis controller move the R.A motor electrically in X and Y (R.A and Dec) directions either quickly and slowly. It can be used for autoguiding in conjunction with an external autoguider. The STAR BOOK ONE recognize the Vixen Mount to which it is attached. Only functions or commends that are applicable to that mount will be displayed on the screen
Specifications
| R.A slow motion | Worm and wheel gears with whole circle micro movement |
| Wheel gear | 73.5mm in diameter, 144-tooth |
| Worm gear | 11mm in diameter, made of brass |
| Numbers of ball bearing | 2 pieces |
| Rotational axis | 45mm in diamter, aluminum alloy |
| Motor | Pulse motor |
| Controller port | D-sub9pin male connector |
| Power port | USB Micro-B (DC4.4V to DC5.26V) |
| Dimensions | 80mm×136.5mm×51.5mm |
| Weight | 630g |
