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Meade 114 EQ-D manual

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Table of contents for the manual

  • Page 1

    INSTR UCTION MANU AL J upiter 114 EQ-D: 4.5" Equatorial Reflecting T elescope Meade Instruments Corporation[...]

  • Page 2

    – 2 – W ARNING NEVER USE A JUPITER 114 EQ-D TELESCOPE T O LOOK A T THE SUN! LOOKING A T OR NEAR THE SUN WILL CA USE INST ANT AND IRREVERSIBLE D AMA GE T O Y OUR EYE. EYE D AMA GE IS OFTEN P AINLESS, SO THERE IS NO W ARNING T O THE OBSER VER THA T D AMA GE HAS OCCURRED UNTIL IT IS T OO LA TE. DO NO T POINT THE TELESCOPE OR ITS VIEWFINDER A T OR [...]

  • Page 3

    – 3 – T ABLE OF CONTENTS Introducing the Jupiter 1 14 EQ-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1. This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2. Standard Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Unpacking and Assembly . . . . . . . . .[...]

  • Page 4

    – 4 – 1. T ripod legs 2. Equatorial mount 3. R.A. flexible cable contr ol 4. Dec. flexible cable contr ol 5. Counterweights 6. Counterweight shaft 7. Counterweight locks 8. Safety washer/thumbscrew 9. Latitude lock (re verse side, see inset) 10. Polar axis 11. Latitude adjustment knob 12. Optical tube assembly 13. Optical tube saddle plate 14. [...]

  • Page 5

    – 5 – Fig. 1a: Model 1 14 EQ-D: Viewfinder assembly . 4 3 40 41 43 38 5 6 7 8 10 11 13 17 18 19 21 23 24 20 25 26 27 28 30 31 45 33 37 29 14 2 36 32 44 15 24 1 39 19 16 26 34 9 35 12 42 Fig. 1b: Model 1 14 EQ-D: Focuser . Fig. 1c: Model 1 14 EQ-D: Equatorial mount. Fig. 1d: Model 1 14 EQ-D: T ripod and tray . Fig. 1e: Model 1 14 EQ-D: Optical t[...]

  • Page 6

    – 6 – INTRODUCTION The Jupiter 1 14 EQ-D is an easy-to-operate, high performance 4.5" (1 14mm) reflecting telescope, intended for astronomical observing. Equipped with a deluxe equatorial mount and aluminum tripod, the telescope’s motion is continuously adjustable for tracking celestial objects. Y our telescope comes to you ready for adv[...]

  • Page 7

    – 7 – • Release the latitude lock ( 9 ) of the equatorial mount, and tilt the polar axis ( 10 ) of the telescope to roughly a 45 ° angle by turning the latitude adjustment knob ( 11 ). With the polar axis thus tilted, firmly re-tighten the latitude lock. • Remove the viewfinder bracket mounting nuts from the viewfinder bracket mounting bol[...]

  • Page 8

    – 8 – • Unlock the R.A. lock ( 22, Fig. 1 ) and the Dec. lock ( 23, Fig. 1 ) so that the telescope turns freely on both axes. Then point the main telescope at some well-defined land object (e.g. the top of a telephone pole) at least 200 yards distant, and re-lock the R.A and Dec. axes. T urn the flexible cable controls, ( 3, Fig. 1 ) and ( 4,[...]

  • Page 9

    the celestial equator (which passes, for example, through the constellations Orion, Virgo and Aquarius) is specified as having 0 ° 0'0" Declination. The Declination of the star Polaris, located very near the North Celestial Pole, is +89.2 ° . The celestial equivalent to Earth longitude is called “ Right Ascension, ” or “ R.A. ” [...]

  • Page 10

    – 10 – USING THE TELESCOPE With the telescope assembled, balanced and polar aligned as described above, you are ready to begin observations. Decide on an easy-to-find object such as the Moon, if it is visible, or a bright star to become accustomed to the functions and operations of the telescope. For the best results during observations, follow[...]

  • Page 11

    – 11 – • Cloud belts across the surface of the planet Jupiter . • The 4 major satellites of Jupiter , visible in rotation about the planet, with the satellite positions changing each night. • Saturn and its famous ring system, as well as several satellites of Saturn, much fainter than the major satellites of Jupiter . • The Moon: A veri[...]

  • Page 12

    – 12 – Assorted eyepieces are available both to increase and decrease the operating eyepiece power of the telescope. If the Jupiter 1 14 EQ-D is used on a regular basis, a selection of four to five eyepieces is recommended. For example, an eyepiece assortment of focal lengths 40mm, 25mm (Included as standard equipment), 12.5mm, 9mm, and 6mm yie[...]

  • Page 13

    – 13 – T o inspect the view of the mirror collimation, look down the focuser drawtube with the eyepiece removed. The edge of the focuser drawtube ( 1, Fig. 7 ), will frame the reflections of the primary mirror with the 3 mirror clips ( 2, Fig. 7 ), the diagonal mirror ( 3, Fig. 7 ) , the spider vanes ( 4, Fig. 7 ), and your eye ( 5, Fig. 7 ). P[...]

  • Page 14

    – 14 – • As you make adjustments to the primary mirror tilt screws ( 3, Fig. 6 ), you will notice that the out- of-focus star disk image will move across the eyepiece field. Choose one of the 3 primary mirror tilt screws and slightly move the shadow to the center of the disk. Then slightly move the telescope using the flexible cable controls [...]

  • Page 15

    – 15 – SPECIFICA TIONS Primary (main) mirror focal length: . . . . . .900mm Primary mirror diameter: . . . . . . . . . . . . . .4.5" (1 14mm) Focal ratio: . . . . . . . . . . . . . . . . . . . . . . . .f/8 Mounting: . . . . . . . . . . . . . . . . . . . . . . . . .German equatorial OPTIONAL A CCESSORIES Refer to the latest Meade General Ca[...]

  • Page 16

    ver 6/02 AD V ANCED PRODUCTS DIVISION Meade Instruments Corporation World’ s Leading Manufacturer of Astronomical T elescopes for the Serious Amateur 6001 Oak Canyon, Irvine, California 92618 ■ (949) 451-1450 F AX: (949) 451-1460 ■ www .meade.com © 2002[...]