iOptron 6001 사용자 설명서

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10 

 

With the telescope aligned on the pole, you are 
now ready to start your observations. 

Before observing a celestial object, looking at 
terrestrial objects during the day provides a good 
exercise on how to operate the mount and 
telescope. 

First of all you will need to choose an object that is 
easy to find. The Moon or a bright star is a good 
target to start with. 

1.  Slightly loose the telescope's Right Ascension 
locking knob (14) and the Declination locking knob 
(12), located close to the Declination adjustment 
ring (13). By applying slight pressure by hand, the 
telescope should now move freely along its two 
axes. 

2.  Move the telescope along R.A. and Dec axes 
and using the aligned finderscope to find the Moon. 
With the object centered in the finderscope's cross 
hairs, retighten the R.A. and Dec. knobs. 

3.  The Moon should be visible somewhere within 
the FOV of main telescope. Focus the image by 
adjusting the focusing knob (26). Center the Moon 
by adjusting the mount using RA and DEC control 
cable (27, 28). 

4.  You’ll find that the object immediately starts to 
shift across the FOV. This motion is due to the 
earth rotation. To "track" the object and keep it in 
the FOV, turn the cable that controls R.A. slow 
motion (27). Objects will appear to move faster at 
higher magnifications. The Declination control 
cable (28) is only used for centering the object and 
not for tracking. 

When selecting a location for observing, get as far 
away as possible from direct artificial light such as 
street lights, porch lights, and automobile 
headlights. The glare from these lights will greatly 
impair your dark-adapted night vision. Set up on a 
grass or dirt surface, not asphalt, because asphalt 
radiates more heat, which disturbs the surrounding 

air and degrades the images seen through the 
telescope. Avoid viewing over rooftops and 
chimneys, as they often have warm air currents 
rising from them. Avoid observing from indoors 
through an open (or closed) window, because the 
temperature difference between the indoor and 
outdoor air will cause image blurring and distortion. 
Furthermore, it is preferable to let your telescope 
reach outside ambient (surrounding) temperature 
before starting an observation cycle. 

Wait a few minutes to allow your eyes to become 
used to the darkness before attempting any serious 
observations. Use a flashlight with a red filter to 
preserve your night vision when looking at star 
maps or checking telescope parts. 

Avoid touching the eyepiece during observation. 
Vibration generated by this contact may cause the 
view to move. Also avoid observing from locations 
where terrestrial vibrations are significant. 
Observing from the upper floors of buildings may 
also cause the images vibrating. 

Warning!  Never attempt to observe the sun 
through your telescope without a proper solar filter. 
Observing the sun, even for a fraction of a second, 
may cause immediate and irreversible harm to your 
eye as well as physical damage to the telescope. 

Some atmospheres may deform the image that you 
are observing. Planets in particular, when observed 
low on the horizon, often present a fuzziness – the 
same object when observed at a higher altitude in 
the sky may benefit from far better definition and a 
far higher degree of contrast. Furthermore, air 
turbulence in the upper layers of the atmosphere 
may cause "trembling" to affect the view observed 
through the eyepiece. In this case, reduce the 
magnification factor until the picture stabilizes. 
Keep in mind that even a small sized but bright and 
well defined image will reveal far more interesting 
details than a larger, but less bright and slightly 
fuzzy, view. 

The setting circles on an equatorial mount enable 
you to locate celestial objects by their “celestial 
coordinates”. The R.A. and Dec. values for 
celestial objects can be found in any star atlas or 
star catalog.