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18 • Assembling Your CM-1100
Although the telescope does not track in declination, the telescope should also
be balanced in this axis to prevent any sudden motions when the DEC clutch
knob is loose. To balance the telescope in DEC:
1. Loosen the R.A. clutch knobs and rotate the telescope so that it is on one
side of the mount (i.e., as described in the previous section on “Balancing
the Mount in R.A.”).
2. Tighten the R.A. clutch knobs to hold the telescope in place.
3. Loosen the DEC clutch knobs and rotate the telescope until the tube is
parallel to the ground.
4. Release the tube —
GRADUALLYGRADUALLY
GRADUALLYGRADUALLY
GRADUALLY — to see which way it rotates around
the declination axis.
DO DO
DO DO
DO
NOTNOT
NOTNOT
NOT
LET GO OF THE TELESCOPE TUBE LET GO OF THE TELESCOPE TUBE
LET GO OF THE TELESCOPE TUBE LET GO OF THE TELESCOPE TUBE
LET GO OF THE TELESCOPE TUBE
COMPLETELY!COMPLETELY!
COMPLETELY!COMPLETELY!
COMPLETELY!
5.
SlightlySlightly
SlightlySlightly
Slightly loosen the knobs that holds the telescope to the mounting
platform and slide the telescope either forward or backward until it remains
stationary when the DEC clutch is loose.
Do NOT let go of the tele-Do NOT let go of the tele-
Do NOT let go of the tele-Do NOT let go of the tele-
Do NOT let go of the tele-
scope tube while the knob on the mounting platform is loose.scope tube while the knob on the mounting platform is loose.
scope tube while the knob on the mounting platform is loose.scope tube while the knob on the mounting platform is loose.
scope tube while the knob on the mounting platform is loose.
6. Tighten the knobs on the telescope mounting platform to hold the tele-
scope in place.
Once the telescope is balanced in declination, slide the dovetail bar safety
clamp down the front of the telescope's slide bar until it touches the mounting
platform and tighten the locking bolt (see Figure 2-16). This not only acts as a
safety in case the mounting platform knobs are loosened, but will also allow
you to put the tube on the mount in the exact same position each time for
perfect balance.
Like R.A. balance, these are general balance instructions and will reduce
undue stress on the mount. When taking astrophotographs, this balance
process should be done for the specific area at which the telescope is pointing.
Balancing the MountBalancing the Mount
Balancing the MountBalancing the Mount
Balancing the Mount
in DECin DEC
in DECin DEC
in DEC
Figure 2-16Figure 2-16
Figure 2-16Figure 2-16
Figure 2-16
With the standard accessories attached, the end of the dovetail bar should be almost
flush with the end of the telescope mounting platform
..
..
.
Dovetail Slide Bar
Dovetail Slide Bar
Safety Clamp