Orion 7152 Instruction Manual

Illuminated polar scope for sirius pro az/eq-g mount

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INSTRUCTION MANUAL
Orion
Illuminated Polar Scope
®
for Sirius
Pro AZ/EQ-G Mount
#7152
A N E M P L O Y E E - O W N E D C O M P A N Y
Corporate Offices: 89 Hangar Way, Watsonville CA 95076 - USA
Toll Free USA & Canada: (800) 447-1001
International: +1(831) 763-7000
Customer Support: support@telescope.com
Copyright © 2020 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product
instruction or any of its contents may be reproduced, copied, modified or adapted, without the
prior written consent of Orion Telescopes & Binoculars.
IN 555 Rev. A 09/15

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Summary of Contents for Orion 7152

  • Page 1 International: +1(831) 763-7000 Customer Support: support@telescope.com Copyright © 2020 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of Orion Telescopes & Binoculars.
  • Page 2 Before operating the Sirius Pro AZ/EQ-G mount in equatorial mode for astropho- tography, it must be accurately polar aligned. The SynScan hand controller pro- vides a polar alignment routine to be performed after a 2-Star or 3-Star GoTo alignment. You do not need a polar scope to perform the SynScan-based polar alignment routine.
  • Page 3 Illuminator Polaris Brightness dial Battery cap Figure 3. The reticle pattern of the polar Figure 2. The illuminator fits on the front scope of the polar scope. Point the mount in the direction of the North Celestial Pole (for Northern Hemisphere observing) or South Celestial Pole (for Southern Hemisphere observing).
  • Page 4 Elevation adjustment Lock bolt handle Alignment screws (x3) R.A. clutch Azimuth adjustment knob (1 of 2) wheel Figure 4. Calibrating the polar scope requires adjusting the mount’s manual elevation and azimuth controls. Alignment screws Locking screws (recessed) Figure 5. The screws with the raised heads on the front of the polar scope bracket are the alignment screws;...
  • Page 5 For observing in the Southern Hemisphere: In the polar scope’s field of view, locate the four dim stars (~ magnitude 5 - 6) of Octans that conform to the pattern shown on the reticle. Use the spring loaded elevation adjustment handle and the two azimuth adjustment knobs on the mount (Figure 4) to move those stars into the four small circles labeled “Octans”...
  • Page 6 4. If the object is still at the center of the reticle, there is no need for further adjustment. 5. If the object moved off center, adjust the three alignment screws (Figure 4) with a 1.5mm Allen key to move the object HALFWAY back to center.
  • Page 7 7. Lightly re-tighten the three recessed locking screws with a 2.5mm Allen key. Be sure to turn the illuminator off when finished using the polar scope! Do this by rotating the battery cap counterclockwise until the red LED turns off. (Then rotate the small brightness dial in the same direction all the way.) Powering the Illuminator The Illuminated Polar Scope comes with a CR2032 lithium button cell battery,...
  • Page 8 A N E M P L O Y E E - O W N E D C O M P A N Y Copyright © 2020 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents may be reproduced, copied, modified or adapted, without the...

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07152b

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