* Object window
If these operations were done, a current object will be updated.
- Object in object table was clicked.
- Object was right-clicked in "Planetarium" or "Star Atlas".

The object displayed here is a current object.
This object is used by "Information" and "Navigation".

* History function
The previous current object can be called.

Moreover, the object can be called at the center of the "Planetarium" and the "Star Atlas" by clicking this image.

100 objects can be stocked.
It is only Professional Edition that the image is displayed.