Orionメーカー9827の使用説明書/サービス説明書
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INSTRUCTION MANUAL IN 160 Rev . B 02/09 Providing Exceptional Consumer Optical Products Since 1975 Customer Support (800)-676-1343 E-mail: support@telescope.
2 Figure 1. The AstroView 6 EQ Declination slow motion control Declination lock lev er Counterweight shaft Large counterweight Small counterweight “T oe Sav er” Counterweight lock knobs T ripod le.
3 T able of Contents 1. Parts List ............................. 3 2. Assembly ............................ 3 3. Using Y our T elescope ................... 5 4. Setting Up and Using the Equator ial Mount . . 7 5. Collimation (Aligning the Mirrors) ...
4 5 . Next, tighten the wingnuts at the top of the tr ipod legs, so the legs are securely fastened to the equatorial mount. Use the larger wrench and your fingers to do this . 6 . Orient the equator ial mount as it appears in Figure 1, at a latitude of about 40°, i.
5 top of the foc user . Lock the brack et into position by tightening the knurled thumbscrew on the do vetail slot. Inserting the Eyepiece Loosen the thumbscrews on the ey epiece holder and remove the small dust cap. Then inser t the 25mm ey epiece into the f ocuser and secure it with the thumbscrews.
6 Aligning the Finder Scope The AstroView 6 EQ comes with a 6x30 achromatic finder scope (Figure 2a). The number 6 means six-times magnifica- tion and the 30 indicates a 30mm diameter front lens. The finder scope makes it easier to locate the subject you want to obser ve in the telescope, because the finder scope has a much wider field-of-vie w .
7 the f ocuser. Then carefully lift the eyepiece out of the holder . Do not tug or pull the ey epiece to the side, as this will knock the telescope off its target. Replace the eyepiece with the ne w one by sliding it gently into the holder . Re-tighten the thumb - screws , and focus f or your ne w magnification.
your latitude is 35° Nor th, set the pointer to +35. The latitude setting should not ha ve to be adjusted again unless you mov e to a diff erent viewing location some distance aw ay . 3. Loosen the Dec. lock lev er and rotate the telescope optical tube until it is parallel with the R.
9 4 . Loosen the R.A. lock le ver and rotate the mount about the R.A. axis until the March 1 indicating mark (the long line between the “2” and the “3”) on the date circle lines up with the 4 PM mark (the long line above the “16”) on the R.
10 Remember , accurate polar alignment is not needed f or casual visual obser ving. Most of the time, appro ximate polar align - ment, as outlined pre viously , will suffice. T racking Celestial Objects When you obser ve a celestial object through the telescope, you’ll see it dr ift slowly across the field of view .
11 scope on the R.A. axis until the counterweight shaft is hor i - zontal (parallel to the ground). Then loosen the Dec. lock le ver and rotate the telescope until it is pointing straight overhead. The counterweight shaft is still hor izontal. Then retighten both lock le vers .
12 mirror holder stationary (be careful not to touch the surf ace of the mirror), while turning the center scre w with a Phillips head screwdriv er (See Figure 11).
13 T o star t, tur n the smaller thumbscrews that lock the pr imar y mirror in place a fe w tur ns each (Figure 13). Use a screw - driver in the slots, if necessary . Now , tr y tightening or loosening one of the larger collimation thumbscrews with your fingers (Figure 14).
14 Seeing and T ransparency Atmospheric conditions play a huge par t in quality of viewing. In conditions of good “seeing”, star twinkling is minimal and objects appear steady in the ey epiece.
15 dreds of deep sky objects. Do not e xpect to see as much color as you in NASA photos, since those are tak en with long-e xpo- sure cameras and hav e “false color” added. Our eyes are not sensitive enough to see color in deep-sky objects except in a f ew of the brightest ones.
16 Determine in which constellation the object lies. Now , find the constellation in the sky . If you do not recognize the constella- tions on sight, consult a planisphere. The planisphere gives an all-sky view and shows which constellations are visible on a given night at a giv en time.
17 T ur n the motor drive on. Adjust the telescope’ s focuser so that the image appears shar p in the camera’ s viewfinder . The camera’ s shutter is now ready to be opened. A remote shut - ter release must be used or the image will be blurred beyond recognition.
18 rors, the better . Small specks of dust or flecks of paint have vir tually no effect on the visual perf or mance of the telescope. The large pr imar y mirror and the elliptical secondary mirror of your telescope are front-surface aluminized and over-coated with hard silicon dio xide, which pre vents the aluminum from o xidizing.
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