Blind tracking:
The accuracy of the telescope blind tracking is dependent on the position
of the sky. The auto guiding system updates the corrections in a look
up table, hence the blind tracking is much better at most used zenith
distances and hour angles than, say, close to the horizon.
Examples of blind tracking
zenith distance dgrees |
hour angle |
tracking error arc second per minute |
date |
comment |
14 |
0 |
0.17 |
30.9.2004 |
average of 30 minutes of tracking |
70 |
8 |
0.6 |
7.4.2004 |
Biggest jump in three minutes during 23 minutes of tracking |
|