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16
TIP:
People usually use alt-zi
mode to observe land
objects.
TIP:
People usually use
optics that produce
normal images (not
reversed, or up-side-
down images) to
observe land objects.
TIP:
Use slower speed for
fine tuning.
Chapter. 4 How to Observe
4.1 Observe manually
If you want to observe land objects, such as a mountain top or
a bird you should use the alt-az mode. Simply point the
telescope to your target and look through the eye piece. (For
certain models, such as Newtonian and Maksutov-Cassagrein,
the image you see in the eye piece is up-side down).
First, you need to loosen the telescope’s tripod base lock
knob and Altitude lock so that the telescope can move freely
in both directions. Next, use the viewfinder to locate your
target; Center the target in your eyepiece and tighten the
base and Altitude locks. Then adjust focus.
You can also use this method to observe celestial objects in
the night sky. However, you will notice that stars drift away
slowly from your eyepiece field, and you have to keep
adjusting your telescope to re-center your target. This drift is
caused by the rotation of the Earth. This drift can be
countered by using the automatic tracking feature of
GoToNova
TM
.
4.2 Observing using arrow keys
On our GoToNova
TM
controllers there are four arrow keys.
You can use these keys to adjust and fine tune your
telescope. To use this function make sure you tighten both
the Altitude and base locks. Then turn on the power.
With the “User position” screen press the ENTER button to
switch between “Land” and “Cele” mode (upper right corner).
Use the SPEED button to adjust the speed (lower right
corner). Use higher speed for initial adjustment. Use lower
speed for fine tuning. Center your target in your eye piece
then adjust the focus.
4.3 The Moon
The Moon, when visible in the night sky, is most likely the first
celestial object you want to watch with your new telescope. It
is also the most convenient object in the sky to test some of
the GoToNova
TM
functions.
User position Land
R：1h47.8m D：32°3.3’
A 89°58.5’ Z 179°11.8’
07-06-06 08:59:20 8X
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