Orion 9822 manual

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Table of contents for the manual

  • Page 1

    INSTRUCTION MANUAL IN 192 Rev . B 02/09 Providing Exceptional Consumer Optical Products Since 1975 Customer Support (800) 676-1343 E-mail: support@telescope.com Corporate Offices (831) 763-7000 89 Hangar W ay , W atsonville, CA 95076 Orion ® Astr oV iew ™ Equatorial Mount #9822 AstroView Equatorial Mount[...]

  • Page 2

    Right ascension slow-motion control cable Right ascension lock le v er P olar axis finder scope Latitude scale Latitude adjustment T -bolts 2 Figure 1. The AstroView Equatorial Mount. Declination slow-motion control cable Declination lock le v er Large counterweight Small counterweight Counterweight loc k knobs Counterweight shaft “T oe sav er”[...]

  • Page 3

    3 T able of Contents 1. Unpacking ........................ 3 2. P ar ts List ......................... 3 3. Assembly ........................ 3 4. Attaching a telescope ............... 4 5. Balancing the telescope ............. 4 6. Setting up and using the equatorial mount ................... 5 7. Specifications ..................... 9 1. Unpackin[...]

  • Page 4

    4 7. Remov e the knurled “toe sa ver” retaining screw on the bot- tom of the counterweight shaft and slide both coun ter- weights onto the shaft. Make sure the counterw eight lock knobs are adequately loosened to allow the counterw eight shaft to pass through the hole. P osition the counterweights about halfwa y up the shaft and tighten the loc[...]

  • Page 5

    5 6. P osition the telescope in the mounting rings so it remains hori z on tal whe n you carefully let go with bo th han ds. This is the balance point for the optical tube with respect to the Dec. axis. (Figure 4d) 7. Retighten the tube ring clamps. The telescope is now balanced on both ax es. When you loos- en the lock lev er on one or both axes a[...]

  • Page 6

    6 from drifting out of y our telescope’ s field of vie w while y ou’ re obser ving. This is accomplished by slowly rotating the telescope on its right ascension (R.A.) axis, using only the R.A. slow-motion cable . But first the R.A. axis of the mount must be aligned with the Ear th’ s rotational (polar) axis – a process called polar alignme[...]

  • Page 7

    7 Aligning the Polar Axis Finder Scope Aligning the polar axis finder scope so that it will accurately point at the true north pole is a two-step procedure. First, the polar axis finder must be rotated in its housing so that the small circle in which Polaris will be placed is in the proper ini- tial position. Ne xt, the polar axis finder must be ad[...]

  • Page 8

    8 F or e xample, if it was November 1 at 9 PM, standard time, you would rotate the telescope in R.A. until the line abov e the “21” (9 P .M.) on the R.A. setting circle lines up with the long line between the “10” and “11” on the date circle. The long line indicates the first da y of the higher numbered month, i.e. the line between “1[...]

  • Page 9

    9 circles f or finding objects; the thumbscrew is only needed for polar alignment using the polar axis finder scope. Finding Objects With the Setting Circles Now that both setting circles are calibrated, look up in a star atlas the coordinates of an object you wish to vie w . 1. Loosen the Dec. lock lev er and rotate the telescope until the Dec. va[...]

  • Page 10

    10 One-Y ear Limited W arranty This Astro view Equator ial Mount is warranted against def ects in materials or workmanship f or a period of one y ear from the date of purchase. This warr anty is f or the benefit of the original retail purchaser only . During this w arranty period Orion T elescopes & Binoculars will repair or replace, at Or ion?[...]