The tub can be rotated, but for a given instrumental setup, the tub position angle is preset by the maintenance crew to ensure proper balance of the telescope as a whole. Color sensitivity ranges from below 4000A to about 1 micron. The integration time may be varied from a minimum of 0.7 sec to about 30 secs. The moon and San Jose often mean one cannot see quite so deeply, however. 65.5 degrees Data-Taking and Analysis Data taking is done from one of two computers in the control room, depending on the instrument in use.
Most observers find the data-taker to be extraordinarily easy to use.
More rigorous data analysis can be done using one of several packages available on the mountain. For convenience, these are generally run on the computer not in use for data-taking. The disks of the two computers are cross-mounted, giving the reduction software quick access to either machine. Both are fully networked, so observers can choose to access their home machines for data reduction and other tasks. Netscape is available on the Sparcstation.