The first handbook that describes how to start observing the sky with a computerized telescope.11.5 Basic operation without alignment 11.5.1 Operation without electricity The NexStar 5 requires electricity either from batteries or from an external source of 12 volts; there are no manual movements. 11.5.2 Motorized operation withoutanbsp;...
|Title||:||How to Use a Computerized Telescope|
|Author||:||Michael A. Covington|
|Publisher||:||Cambridge University Press - 2002-09-26|