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Etx premier edition telescope series autostar lnt smartfinder 60 pages. Since the second object i. North and South, switchable Bearings:. When one downloa these alternate powering options is used, the internal batteries are disconnected from the power circuit. To find another object, again identify the R.
Verify that the computer control meade etx-90ec manual pdf download power switch E is in the OFF position. Telescope Controls An important array of features and manual controls facilitates operation of an ETX telescope.
The telescope is now in the Northern Hemisphere polar mode. Meade etx-90ec manual pdf download rotate the front lens cell in one direction or the other, until the object appears sharp. Avoid using Polaris or medae object near Polaris. To align the viewfinder follow this procedure: To determine the latitude of an observing site not listed on the chart, locate the city closest to your site.
To determine the latitude of an observing site not listed on the chart, locate the city closest to your site. The power indicator light 5, Fig. Astronomical Observing As an astronomical instrument, your ETX telescope has many optical and electromechanical capabilities.
Meade ETXEC User Manual Pdf Download – Page 3
It is in the center of Fig. Tracking Motor Speed, Etx-90eec Modes 3 and 4 signify whatever tracking mode was last chosen. Meaxe the standard-equipment SP 26mm eyepiece inserted in the eyepiece holder, the telescope is operating at the following power see Understanding Magnification, page meade etx-90ec manual pdf download Equatorial mounts are highly desirable in the operation of any telescope used for extensive astronomical applications, because celestial objects do not move in vertical or horizontal directions but in a combination of these directions.
Mznual Focal Length is the distance that light travels inside the telescope before reaching a focus. The next fastest speed is best meade etx-90ec manual pdf download for centering the object in the viewfinder. The night sky is filled with wonder and intrigue. Because the smooth knob on this fork mount arm need never be loosened, the Dec setting circle should always remain calibrated.
One or two rotations of the lens may have a significant effect on image focus. An important array of features and manual controls facilitates operation of an ETX telescope.
ETX telescopes, are available at more than dealer locations in the U.
Before 6 observing, verify that the flip-mirror control 16, Fig. The telescope is now in the Northern Hemisphere Polar mode. The SPEED key is used to change the speed at which the telescope slews when the arrow keys are pressed. Photography For through-the-telescope photography, meade etx-90ec manual pdf download the flip-mirror control 5, Fig. The Orion Nebula is located south of the belt and is one of the deep-sky objects most observed by amateur astronomers.
Unthread the metal dust cap from the front lens of the telescope counterclockwiseand the ETX may now be used for terrestrial land observing.
Continue pressing INuntil the desired speed is reached. For most observing meade etx-90ec manual pdf download once the telescope has been polar aligned and pef tracking motor activatedthere is little need to change this speed. This exits the Mode function. Any implied warranties which can not be disclaimed are hereby limited to a term of one year from the date of original retail purchase. Vega, Deneb, and Altair.
Focusing the Viewfinder Both ETX model viewfinders are factory pre-focused to objects located at infinity. Both ETX model viewfinders are factory pre-focused to objects located at infinity. Manually turn the R. As a result it is sometimes difficult to locate and center objects.
Meade ETX-90EC Instruction Manual
neade Do not mix battery types. In order for the viewfinder to be useful, it must first be aligned with the main telescope, so that both the viewfinder and the main telescope are pointing at precisely the same location. A variety of powers may be obtained with the addition meade etx-90ec manual pdf download optional eyepieces meade etx-90ec manual pdf download well as the 2X Barlow Lens which doubles Low-power eyepieces, like the SP26mm eyepiece, magnify these heat waves less than higher-power eyepieces.
It is best to store the telescope in its original box with the vertical and horizontal locks 6 and 9, Fig. Assembly of all three of the ETX model telescopes requires eight user-supplied AA-size batteries and the following steps: