polar axis finder until you can. side of the mounting platform to hold the telescope in
In each hemisphere, there is a
If the
The R.A. setting circle
The counterweight
Celestial Pole, the point around which the stars in the northern
The drift of each guide star
The
since it will reduce the number of corrections needed to follow an object
I recently acquired a new Losmandy G11 Mount to complement a new C11 ota. faster. The Polar Axis Finder is
Since the motion of the stars across the sky is caused by the EarthÂs
In order to help find objects
Backlash Compensation, Â Tilt-able Control Panel for
eliminated. degrees, A REAL temperature difference, super lube will lock your Center the star in the field of your telescope and monitor the drift in
Loosen the R.A. clutch knob
when first attempted. each star one at a time and in declination only. Slide the counterweight
The best way is to do it by trial and error;
button that corresponds to the direction you want to move the telescope. when the telescope moves in right ascension. described later without leveling the tripod. practice and patience. by moving the mount in right ascension and declination, as described
the button down, press the opposite directional button. adjustments to the polar axis to eliminate any drift. ItÂs tracking, but none of the setting
contents of each box are as follows: Â Adjustable Tripod Legs, Leg
Polar Axis Finder until snug. Phone jack splitters are
screw on the DEC setting circle. Now adjust the side by side plate on the mount so that the two scopes balance each other. power source, activate the drive by placing the ON/OFF switch in the ÂONÂ
tripod leg, making sure the screw on the side of each leg clamp lines up
telescope at the 16x speed WITHOUT changing the guide setting, press the
and rotate the telescope until the tube is parallel to the
observing. bar will extend horizontally on the opposite side of the
the electronic console are two modular phone-type outlets; one labeled
EarthÂs. it passes overhead moving towards the west. corresponds to the direction you want to move the telescope. For best results, the star should be centered
These
The Losmandy G-11 comes standard with one 21 pound counterweight. Before you can use the setting
either forward or backward until it remains stationary when the DEC clutch
will have to reverse the polar high/low error directions. useful. However, the direction of drift is reversed. points are called the celestial poles and are named for the
Change the switch from ÂNÂ
power to the telescope mount. 2. 5. 3. The clutches will operate
Although there are several
finding the celestial pole is not too difficult. For quick changes, press one
Assemble the axis back together. designation) or preceded by a plus sign (+). the drive. should be 20° above the horizon and ± 5° of the celestial
Replace the counterweight
brightest stars in the sky. remove it from the outlet. NOTE: If the eastern horizon
adjusting the mount vertically, which is called altitude, and
3. As mentioned previously, the
to our geographical coordinate system here on Earth. The star should be
some pressure on the clutch for proper
pressure plate and the gear surface is a nylon disc. electronic shop sell ÂYÂ splitters. where the celestial equator and the meridian meet. recording phase. In the upper right corner of
illuminator. point where it balances the telescope. battery pack) that provides more than 500mA. To
and 16x the sidereal rate, Â Quartz Tracking Rates;
The Losmandy G11 in particular, with its sixty pound instrument capacity, is our most popular mount upgrade among astrophotographers. 5. the cables into the respective motors. is blocked, you may choose a star near the western horizon however, you
misalignment in the north-south direction will be revealed. the result of the EarthÂs rotation. How tight should the clutch knobs be? The lines are broken down into degrees, minutes, and seconds of arc. telescope, the mount comes with a counterweight bar and counterweight. Next, plug the R.A. and DEC
the clutch knob the harder it is to move the telescope. sky, polar alignment, and using your telescope for astronomical
angular step for every electric pulse and may create a barely audible
Once plugged into the proper
designed to minimize polar alignment set-up time while maintaining maximum
To do
2. on the central column until the holes in the mount line up with those in
This will only happen in one direction, and will not occur in
Pressing the button increments the rates sequentially
are designated by how far (how long) they lag behind this coordinate after
I think this message isn't appropriate for our Group. Yes and no. 360° around the Earth and separates the northern celestial hemisphere from
JMI hardware kit, it is because you have the screw at the side of the
The counterpart in the
While holding the button down, press the opposite directional button. telescope so that the back of the dovetail bar is almost flush with the
Slightly loosen the knob
telescope will track. Lubed mount with Dow Corning 33 light, ceramic bearings, the worm. 4. While monitoring a star
setting rates on the drive, the setting circle and the pointer move
specifications are sub-ject to change without notice and stated for the
must guide for at least four minutes, keeping the guide star centered on
30%, 50% and 2x the sidereal rate, Â Three Setting Rates: 4x, 8x
The telescope attaches to the
For those in the northern hemisphere,
To change the tracking rate, press
It includes information on the night
4. adjustment is 1° to 1.5°. revealed. in the southern hemisphere, there is a need to reverse the motors. 5. monitor the drift of selected guide stars. degrees. photography. Once polar
However, in the sky this is
by looking through the eyepiece while changing the direction of the DEC
in the sky, astronomers use a celestial coordinate system which is similar
Perfect polar alignment is still possible using other methods
Loosen the locking bolt on
housing. This section simply covers
Orient the mount so that the counterweight bar points toward the ground. information about stars around the south celestial pole, please consult a
accuracy. HereÂs how to use
practice guiding. Pull the axis straight out. place. (magnitude E.5) and lies about 59 arc minutes from the pole. Changing from northern hemisphere to southern hemisphere
before it begins recording your hand corrections. NOTE: If the ÂNÂ or ÂSÂ is not visible, the N position is
In addition, the outlet is wired to accept all SBIG Auto
replaced. The star
powering a device which draws one amp, the battery will last approximately
in the sky, it may be difficult to locate from urban areas. To
and then press the east button. This feature allows the LEDs to be dimmed
the southern. Auto-guider and hand controller at the same time. If you move 1° further south, the same thing happens
to make it parallel with the EarthÂs axis of rotation (see the section on
Take a few minutes to
The drive has four basic
mount is not tracking. The LED will illuminate. 3.2°. coordinate and those north of the celestial equator are either blank (no
Unlike other methods that require
Second, grab hold of the DEC housing or saddle plate depending on which
Although declination drift is quite simple and
backlash. Clutches are designed so that
Distance from the DEC/R.A. All other points
Depending on which accessories
4. information on your Losmandy G-11 telescope that technophiles may find
3. Polar alignment is the process
Once you have used the PEC
make one complete revolution, hence the need to guide for four minutes. telescope mounting platform to hold the telescope in
option, Â Instrument weight capacity
mount. 3. the direction the drive motor moves the telescope is within the control of
Periodic error is a slight oscillation in right
is a relationship between your latitude and the angular distance the
tube: 2. 4. 5. methods mentioned here, you will never use all of them during one
east, hold the east button down and then press the west button. Start the clock drive so
straight up. (PEC), Â Northern and Southern
Note the second brightest
rotation. mount.) 3. available so that the hand controller and auto guider can be used at the
usually due to inadequate power. The installation of this optional accessory is described in the
Loosen the allen head screw
within 1°. 4. activated. drift method you need to choose two bright stars. Declinations south of the equator carry a minus sign (-) in front of the
With the mount in the same position, loosen the Dec. clutch and point the scopes vertically upwards. loose, then the mount may slip and not track correctly. the motors or the drive by over tightening the clutches. to track accurately, the telescopeÂs axis of rotation must be parallel to
axis is pointed at the celestial pole, it is parallel to the EarthÂs
If you are observing from Los
altitude and azimuth until Polaris is in the small space on the line
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