Celestron NexStar SLT Computerized Mount Support and Manuals
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Popular Celestron NexStar SLT Computerized Mount Manual Pages
Celestial Observing - Page 2
... to know an object is to an object. Observing the Sun - With a filter
you have a non-computerized altazimuth telescope, there is an easy target. Alpha (α) Andromedae.
3. Beta (β) and Mu (μ... is by using bright stars to "guide" you need to the telescope. If you in finding objects with an equatorial mount, the setting circles of view is both rewarding and...
Celestial Observing - Page 4
...skies found around major urban areas. Under good seeing conditions, fine detail is not a problem for the brighter stars and planets, bright skies reduce the contrast of extended nebulae making... often, seeing conditions produce images that lie somewhere between these two extremes.
©2011 Celestron • All rights reserved.
4 Seeing Conditions
Viewing conditions affect what you get the ...
Telescope Basics - Page 1
... telescopes, known as its focal point. Early designs used single element lenses. To get around this problem, a two-element lens, known as chromatic aberration. Since putting your head in front of light ...mirrors to bend or refract incoming light rays, hence the name. Newtonian Reflector telescopes replace heavy lenses with an eyepiece would keep the reflector from the method it out the...
Telescope Basics - Page 3
...primary mirror only slightly. To avoid this problem, your first astronomical target should always wear ....
Note: If you wear corrective lenses (specifically glasses), you
3
Multiplying 4 by the ...focus knob located directly below (on some models) the star diagonal and eyepiece. In ... inverted).
For example, the telescope above is mounted on a ring that slides back and forth on...
Telescope Basics - Page 4
...these conditions is more useful for the particular telescope model on hot summer days or building rooftops.
&#...part of a window to the next. High powers can see a double image.
• Never look through window glass. This includes asphalt parking lots on Celestron... reduced.
• If you wear corrective lenses (specifically glasses), you may actually see , before determining the...
Telescope Maintenance - Page 1
...telescope, replace all lens...setting) or by the Celestron repair department or a qualified Celestron dealer. The solution should be a still night and one quart of pressurized air (spray at night.
Each optical design type has special collimation instructions described below. Many lower cost Refractor and/or Newtonian telescopes do not have . The collimation instructions show mounting...
Telescope Maintenance - Page 2
...manually track it. To verify collimation, view a star near the zenith is ideal since it may be necessary to move between large temperature extremes. DO NOT remove or back out the mounting screws more than one views and instructs...of screws are properly aligned with the shortest focal length). Since three (3) sets of the secondary mirror. If the telescope is a shorter Allen screw (...
Telescope Maintenance - Page 4
...result. Newtonian collimation views as seen through the focuser using the focusing knobs, until its mount and pointing at a bright star. If a non-symmetrical focus pattern is no longer ...the way, you look into the focuser and look concentric.
The telescope should be set up at medium to correct this . If you have achieved this by recollimating only... mirror support, because it .
Astronomy Basics - Page 1
... equator are named for non-computerized equatorially mounted telescopes - The celestial equator runs...However, in the constellation of zero degrees. actual telescope models may differ somewhat from the southern.
Since the Earth...part, these are basic information for their angular distance above and below are applicable to all types of telescopes, and if you have a non-computerized...
Astronomy Basics - Page 2
... still possible using this manual without leveling the tripod.
3. Level the tripod. However, the appearance of this method works off of a known constant to find the celestial pole by setting up a camera on the pole, it will never see the section "Adjusting the Mount."
Now, let's say that you to determine how high...
Astronomy Basics - Page 3
... in the handle of the telescope using the fine adjustment controls on it. If the declination setting circle is not aligned, move the telescope so that the tube is parallel to the polar axis.... You do not want to move the telescope itself, but not directly on the mount. For those around the north celestial pole. They point to see where the polar axis is pointing...
Astronomy Basics - Page 4
...southern horizon. Adjust the mount in altitude until the latitude indicator points to your telescope:
1. Moving the mount affects the angle the polar axis is above the horizon). For specific information on the South ...-90°) would have to travel 70 miles north or south to your telescope manual.
4. The North Celestial Pole (N.C.P.) is only necessary if using this must be done in...
Astronomy Basics - Page 5
... to eliminate any misalignment in R.A. First, choose your telescope manually in the north- or DEC. In each star tells you... each hemisphere, there is pointing. It is Sigma Octantis. Set the telescope up .
This will use star patterns to rotate... be difficult to choose two bright stars.
Adjust the mount in the southern hemisphere are named for more serious observations...
Astronomy Basics - Page 6
... in R.A., the setting circle must reverse the polar high/low error directions. setting circle will be... whose coordinates are currently observing. setting circle, you are using the Celestron Sky Maps (#93722) or consulting...will track in the sky. The problem arises when the R.A. setting circle. The star should be repeated...setting circle, the mount comes with should rotate freely. Since the...
Astronomy Basics - Page 7
... mark on the R.A. Look up with any of the object you have already set the DEC).
©2011 Celestron • All rights reserved.
7 clamp and rotate the telescope until the three...Here's how to use the Ring Nebula (M57) which is between the 5h 40m mark and the 5h 50m mark. setting circle.
3. indicator (zero mark on the R.A. If you look down the vernier scale, you are 4 minutes to...
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