Orion Shorttube 4.5" EQ 9083 Instruction Manual
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Orion Shorttube 4.5" EQ 9083 Instruction Manual

Equatorial reflecting telescope
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instruction Manual
orion
®
shorttube
4.5" EQ
™
#9083
Equatorial Reflecting Telescope
Customer Support (800) 676-1343
E-mail: support@telescope.com
Corporate Offices (831) 763-7000
P.O. Box 1815, Santa Cruz, CA 95061
Providing Exceptional Consumer Optical Products Since 1975
IN 067 Rev. B 1298

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Summary of Contents for Orion Shorttube 4.5" EQ 9083

  • Page 1 Manual orion ® shorttube 4.5" EQ ™ #9083 Equatorial Reflecting Telescope Customer Support (800) 676-1343 E-mail: support@telescope.com Corporate Offices (831) 763-7000 P.O. Box 1815, Santa Cruz, CA 95061 Providing Exceptional Consumer Optical Products Since 1975 IN 067 Rev. B 1298...
  • Page 2 Finder scope Finder scope bracket Alignment screws (3) Declination slow-motion control cable Focuser Eyepiece Tube rings Declination locking bolt Tube ring lock clamps Collimation Declination setting circle thumbscrews (3) Right ascension setting circle Counterweight shaft Right ascension Counterweight slow motion control cable Retaining washer and knob Latitude adjustment T-bolt Latitude lock T-bolt (not shown)

  • Page 3: Table Of Contents

    ongratulations on purchasing your new ShortTube™ 4.5" EQ reflector telescope! It is a terrific starter instrument for exploring some of the many exotic wonders our universe has to offer. Designed to be compact and easy to use, this telescope will provide many hours of enjoyment for the whole family. It is your ticket to a journey of discovery in the fascinating hobby of amateur astronomy.

  • Page 4: Cooling The Telescope

    A flashlight with a red LED telescope can only focus on objects at least 50 to 100 feet light, like the RedBeam LED Flashlight (Orion #5744), is ideal , away. or you can cover the front of a regular incandescent flashlight with red cellophane or paper.
  • Page 5 (there are 60 arc-minutes in 1 degree of declination). the Dec. lock bolt and rotate the telescope until it is pointing So, the coordinates for the Orion Nebula listed in a star atlas straight overhead. The counterweight shaft is still horizontal.

  • Page 6: Assembly

    2. assembly and possibly onto your foot if the counterweight lock bolt should come loose! Carefully open all of the boxes in the shipping container. 8. Grip the counterweight with one hand and thread the shaft Make sure all the parts listed in section 2 are present. Save into the equatorial mount (at the base of declination axis) the boxes and packaging material.

  • Page 7: Aligning The Finder Scope

    2. Now loosen the counterweight lock bolt and slide the weight telescope’s eyepiece and see if it is still centered there as well. along the shaft until it exactly counterbalances the tele- If it isn’t, repeat the entire process, making sure not to move the scope.

  • Page 8: Collimating The Optics (Aligning The Mirrors)

    (It helps to have two crosshairs, such as the Orion Collimating Eyepiece (Orion people for primary mirror collimation, one to look in the #3640).

  • Page 9: Care And Maintenance

    Orion DeepMap 600 (Orion #4150), from the telescope. This is done by removing the three small Edmund Mag 6 Star Atlas (Orion #6142), Turn Left at Orion Phillips head screws on the outer edge of the mirror cell.

  • Page 10: The Moon

    (Our eyes are not sensitive enough to see color in such faint is too bright and devoid of surface shadows to yield a pleas- objects.) But as you become more experienced and your observ- ing view. Use a Moon Filter (Orion #5662) to dim the Moon...
  • Page 11 Declination lock bolt Right ascension lock bolt Counterweight Latitude scale lock knob Latitude Latitude lock adjustment T-bolt T-bolt Figure 2 Little Dipper (in Ursa Minor) Big Dipper N.C.P. (in Ursa Major) Polaris Cassiopeia To find Polaris in the night sky, look north and find the Big Dipper. Extend an imaginary line from the two “Pointer Stars” in the bowl of the Big Dipper.
  • Page 12 Warranty This Orion ShortTube 4.5" EQ is warranted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is for the benefit of the original retail purchas- er only.

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