Orion Sirius Pro AZ/EQ-G Instruction Manual Download Page 14

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Power LED

sPEciFications

Product name

Sirius Pro AZ/EQ-G Mount

Mount type

German equatorial / altazimuth dual mode

Payload (Counterwts. excl.)

33 lbs. (15kg) (66 lbs. in two-telescope altaz mode)

Saddle type

Vixen style, dual bolt clamps

Latitude adjustment range

0 - 90°

Azimuth adjustment range

About ±15°

Counterweight

7.5 lbs. (~3.5kg) each (x2)

Pier Tripod

1.75-inch stainless steel legs, 12.8 lbs. (5.8kg)

Counterweight shaft

18mm Diameter, length 165mm (retractable) + 120mm extension

Power requirement

DC11~16V 3A

Motors

1.8° Hybrid stepper motor

Transmission

135:1 Worm drive + 72:12 timing belt drive + 32

micro-step/1.8° stepper motor drive

Gear ratio

810

Resolution

5,184,000 Counts/rev., 0.25 arc-second

Maximum slewing speed

4.2 degrees/second

Tracking rates

Sidereal, solar, lunar

Tracking modes

Altazimuth or Equatorial mode

Autoguiding speeds

0.125X, 0.25X, 0.5X, 0.75X, 1X

PEC

1200 segments permanent PEC

Hand controller

SynScan

Database

42,000+ objects

Celestial object catalogs

Messier, NGC, IC, SAO, Caldwell, Double Star, Variable

star, Named stars, Planets

Pointing accuracy

Up to 5 arc-minutes (RMS)

Resolution of aux. R.A./Dec. axis encoders

5144 Counts/rev., approx. 4.2 arc-minutes

Bubble level

Built-in to mount

Weight (Tripod excluded)

17 lbs. (7.7kg)

Weight, fully assembled

44.5 lbs. (20.2kg) (EQ mode, two counterweights)

Saddle height range

41" to 48.7"

Length of pier-pod, collapsed
- with AZ/EQ head

28"

- w/o AZ/EQ head

25"

Pier extension

Optional (6.3" height)

Polar scope

Optional, external mount, worldwide use

Summary of Contents for Sirius Pro AZ/EQ-G

Page 1: ...rporate Offices 89 Hangar Way Watsonville CA 95076 USA Providing Exceptional Consumer Optical Products Since 1975 Copyright 2015 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: ... 7 3 3 Adjusting the R A Axis Elevation Latitude 8 3 4 Setting the Mount to Alt azimuth Mode 8 3 5 Mounting a Second Telescope Altazimuth mode only 9 PART 4 POLAR ALIGNMENT 10 Figure 1 The Sirius Pro AZ EQ G mount PART 5 DRIVE PANEL INTERFACE 10 5 1 Panel Interface Components 10 5 2 Pinout of the Interfaces 12 5 3 Attaching the SynScan GoTo Hand Controller 12 5 4 Power Supply Requirements 12 PART ...

Page 3: ...ersible eye damage may result Never use your telescope to project an image of the Sun onto any surface Internal heat build up can damage the telescope and any accessories attached to it Never use an eyepiece solar filter or a Herschel wedge Internal heat build up inside the telescope can cause these devices to crack or break allowing unfiltered sunlight to pass through to the eye Never leave the t...

Page 4: ... attach the counterweight s before installing your tele scope on the mount 1 Loosen the two counterweight shaft lock knobs Figure 7 and fully extend the retractable shaft Then re tighten the two knobs to secure the shaft in place 2 Loosen the right ascension R A clutch wheel Figure 8 and rotate the R A axis until the counterweight shaft is pointing downward as shown 3 Remove the knurled toe saver ...

Page 5: ...haft is pointing toward the ground b The counterweights are installed on the counterweight shaft and have been moved to the bottom end of the shaft c The R A axis is secured by tightening the R A clutch 2 Loosen the Dec clutch wheel and rotate the saddle until the slot is oriented horizontally as in Figure 12A Then retighten the Dec clutch wheel 3 Loosen the two knobs on the saddle plate Figure 12...

Page 6: ...optical tube loosen the R A clutch wheel Make sure the Dec clutch wheel is tightened for now The telescope should now be Figure 8 The R A clutch wheel Figure 9 The 120mm shaft extension threads into the counterweight shaft Figure 11 The hand controller bracket should be strapped around the pier pod Figure 7 Loosen the two counterweight shaft lock knobs to extend or retract the counterweight shaft ...

Page 7: ...o of it It s best to return the telescope to an upright position before adjusting it forward to back in the saddle The telescope is now balanced on both axes When you loos en the clutch on one or both axes and manually point the tele scope it should move without resistance and should not drift from where you point it PART 3 USING THE SIRIUS PRO AZ EQ G MOUNT 3 1 Manually Rotating the Mount The mou...

Page 8: ...e to set the R A axis elevation to your location s latitude When the handle reaches its limit of rotation release it then change its orientation and push it in to engage it again and continue turning it 3 Refer to the latitude scale and pointer on the right side of the mount Figure 15 If you don t know your latitude consult a geographical atlas or look it up on the internet For example if your lat...

Page 9: ...end of the mount s counterweight shaft to hold a second telescope 1 Slide the counterweight shaft out and rotate it so the flat strip at the end of the shaft is facing up then lock the shaft with the two lock knobs Figure 18A 2 Loosen the Allen screw on the secondary saddle s silver coupler ring and push the saddle onto the counterweight shaft as shown in Figure 18B Align the Allen screw with the ...

Page 10: ...a process called polar align ment The SynScan hand controller provides a highly accurate polar alignment routine after a 2 star or 3 star GoTo alignment is performed Please refer to the SynScan manual for detailed instructions An optional externally mounted polar axis finder scope 7152 is available for the Sirius Pro mount It can be used to accurately polar align the mount from both Northern and S...

Page 11: ...e secondary saddle to point the secondary telescope to the same vertical level as the main telescope Figure 21 The power input jack and declination motor cable sockets are located on the right side of the mount head Figure 22 The main drive panel interface Figure 20 The mount is ready for installation of two telescopes Autoguider port Hand controller port SNAP camera control ports USB port Adjustm...

Page 12: ...tography A training process is not required in the next observ ing session assuming that the polar alignment is always can control the cameras to take pictures automatically via this interface The camera control cable included with the Sirius Pro mount is compatible with select Canon EOS series DSLR cameras It has a right angle 2 5mm stereo plug on one end for connection to the drive panel and a s...

Page 13: ...ures for up to eight different sets of exposures For detailed information refer to the SynScan hand controller instruction manual SUGGESTED ACCESSORIES We also suggest these optional accessories sold separately Pier Extension Ideal for use with long tube refractor tele scopes and some Cassegrains and for tall people the optional 6 3 Pier Extension is a must have It raises the fo cuser and eyepiece...

Page 14: ... Resolution 5 184 000 Counts rev 0 25 arc second Maximum slewing speed 4 2 degrees second Tracking rates Sidereal solar lunar Tracking modes Altazimuth or Equatorial mode Autoguiding speeds 0 125X 0 25X 0 5X 0 75X 1X PEC 1200 segments permanent PEC Hand controller SynScan Database 42 000 objects Celestial object catalogs Messier NGC IC SAO Caldwell Double Star Variable star Named stars Planets Poi...

Page 15: ...15 ...

Page 16: ...y Repair 89 Hangar Way Watsonville CA 95076 Proof of purchase such as a copy of the original receipt is required This warranty does not apply if in Orion s judgment the instrument has been abused mishandled or modified nor does it apply to normal wear and tear This warranty gives you specific legal rights and you may also have other rights which vary from state to state For further warranty servic...

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