Vixen of time-lapse app (TimeLapse Book) is a movie simulator of the starry sky of the time-lapse photography.
When performing time-lapse photography using the starry sky of the scene, the location, time and simulation step by the stars and time that are visible in the sky to be displayed as a time-lapse movie to be ready, is an application to support the planning of time-lapse photography.
In particular, when used in our AP Tadashi Akamichi the camera pan (rotation), so to calculate be may be rotated at many times the speed of the sidereal time, even without performing a complex calculation of time-lapse movie shooting you can make a plan

Basically, it uses in the following manner.
1. shooting date and time and the shooting location, and specify the focal length of the lens to be used in shooting
2. Specify the direction and time of the climax of the end of the part of the time-lapse movie camera
3. Specify the camera orientation and time of the part of the beginning of a time-lapse movie
4. The condition was set in the above setting, what movie to play the time-lapse movie in this condition
   Make sure you can shoot

Make a shooting plan in the manner described above, the shooting start time and the camera direction on the screen at the local, end time, to take the picture in reference to the rotation magnification when using the AP Tadashi Akamichi.