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Orion 9995 - page 1
INSTRUCTION MANUAL IN 280 Rev . B 02/06 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 ® Sirius ™ EQ-G Equatorial Mount #9995 ...
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Orion 9995 - page 2
2 Figure 1. The Sir ius EQ-G mount. T ube ring mounting plate Declination loc k le ver (not shown) F ront opening Declination setting circle Counterweight shaft lock lev er Counterweight lock knob Counterweight Counterweight shaft “T oe-sa ver” T ripod center suppor t tray T ripod leg Mounting plate lock knobs Control panel Right ascension lock ...
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Orion 9995 - page 3
3 T able of Contents 1. Unpacking ............................ 3 2. P ar ts List ............................. 3 3. Assembly ............................ 3 4. Attaching a T elescope ................... 4 5. Balancing a T elescope .................. 4 6. Setting Up and Using the Equatorial Mount . . 5 7. The Sirius EQ-G Dual-Axis Hand Controller .. ...
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Orion 9995 - page 4
4 the azim uth adjustment knobs on the equator ial mount in order to fit the mount onto the tripod head. 3. Thread the central suppor t shaft up through the tr ipod head and into the bottom of the equatorial mount until tight. Use the upper knob on the central suppor t shaft to do this. The equatorial mount should now be fir mly con - nected to the ...
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Orion 9995 - page 5
5 hav e either too much or too little counterweight. Remov e counterweight, or add optional counterweights if needed. 3. Retighten the counterweight lock knob. The telescope is now balanced on the right ascension axis. 4. T o balance the telescope on the declination axis, first tight- en the R.A. lock lev er, with the counterweight shaft still in t ...
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Orion 9995 - page 6
6 T o fi nd Polaris in the sky , look nor th and locate the patter n of the Big Dipper (Figure 6). The tw o stars at the end of the “bowl” of the Big Dipper point right to P olar is . Obser v ers in the Southern Hemisphere aren’t so f or tunate to hav e a br ight star so near the south celestial pole (SCP). The star Sigma Octantis lies about ...
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Orion 9995 - page 7
7 Using the P olar Axis Finder Scope The reticle of the polar axis finder scope for the Sirius EQ-G has a tiny star map printed on it that makes precise polar align- ment quic k and easy . T o polar align the mount using the polar axis finder scope, f ollow these instructions: 1. Appro ximately polar-align the mount as outlined in the pro- cedure a ...
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Orion 9995 - page 8
8 it with the counterweights do wn as pictured in Figure 1. Again, you have to ro tat e t he s cop e i n r igh t a sce nsi on s o t hat th e counterweight shaft is positioned horizontally . Then rotate the scope in declination so it points to where y ou want it near the horizon. T o point the telescope directly south, the counterweight shaft should ...
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Orion 9995 - page 9
9 1. Speed buttons 2. Directional buttons 3. Set button The dual-axis hand controller is eq uipped wit h a red LED light in each b utton to ind icate ope ratio n. An indiv idual b utton’ s LED will illuminate when the button is pressed. If a b utton combina - tion is entered, all LEDs will ill uminate to in dicate a succe ssful operation. Speed B ...
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Orion 9995 - page 10
10 In order to set the guiding speed of y our Sirius EQ-G, use the f ollowing button combinations: •2xsiderealrate: Hol d t he Fast button, then press the Up directional button. •1.75xsiderealrate: Hol d the Fast button, then press the Left directional button. •1.5xsiderealrate: ? ...
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Orion 9995 - page 11
11 The smaller modular jack on the hand controller (Figure 10) is used f or RS-232 comm unications between the Sirius EQ-G mount and a computer equipped with astronomy softw are like Starr y Night Pro (see “Linking with a Computer”). The 12V DC power jack on the hand controller allows independent use of the GoT o hand controller for users who w ...
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Orion 9995 - page 12
12 control of the Sirius EQ-G mount at almost an y step in opera- tion. These controls are lock ed out when the mount is slewing to a n ob jec t. The dir ect ion al bu tton s ar e ver y he lpf ul w hen initially aligning the mount, center ing objects in the ey epiece field of view , and manual guiding. The directional b uttons are typically used in ...
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Orion 9995 - page 13
13 hand controller will lose tr ack of the mount’s position, and the alignment procedure will need to be perf or med again. Keep both the R.A. and Dec. loc k lev ers engaged. 3. T ur n on the pow er switch on the mount 4. The initial screen display ed on the hand controller is the version screen. Press ENTER to proceed. 5. The hand controller’ ...
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Orion 9995 - page 14
14 the alignment procedure must be perf or med again. T o do this, turn the mount’ s power s witch off, then on again. T wo-Star Alignment T wo-star alignment requires only two alignment stars but may produce lesser pointing accuracy than the three-star align - ment. The description below will lead you on a step-by-step procedure on how to perf o ...
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Orion 9995 - page 15
15 improv ed. T o improve pointing accuracy in another region of the sky , perf or m the P AE function again, this time choosing a bright star in the new region of interest. No te: I f the m oun t is “ par ke d” bef o re it is p ow er ed of f ( se e “U til it y Functions”), the star alignments and P AE corrections will remain stored in the ...
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Orion 9995 - page 16
16 PEC T raining: See Appendix B for inf or mation LCD/LED T uning: Allows adjustments of the LCD charac - ter contrast, the LCD bac klighting, and the LED backlighting of the pushbuttons . Use the scroll buttons to select which of these you wish to adjust. Use the left and r ight directional but- tons to increase or decrease the value . Setup Func ...
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Orion 9995 - page 17
17 Note: If the recalled User Object is currently belo w the horizon, the controller will displa y “Below Horizon!! T r y another obj. ” and will automatically return to “Recall Object”. Identifying an Unknown Object The GoT o hand controller has the ability to identify celestial objects that are unknown to you. T o identify an object the t ...
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Orion 9995 - page 18
18 base, but the hardware version will not change with inter net updates). Note: If the error message “Can not connect to a SynScan hand control” appears on your computer , check all cable con- nections. Also , tr y closing all other computer programs that might be attempting to use the COM por t. Note: If the error message “Firmware update f ...
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Orion 9995 - page 19
19 Sirius EQ-G GoT o Hand Contr oller Menu T r ee ...
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Orion 9995 - page 20
20 9. Specifications Mount: German equator ial T ripod: Steel W eight: 30 lbs. Counterweight: 11 lbs. P olar axis latitude adjustment: 10° to 65° P olar axis finder scope: Includ ed, ill uminat or built into mount Motor drives: Dual-axis, internally housed Operation: N o r t h e r n o r S o u t h e r n hemisphere P ower requirement: 12V DC , 2A ( ...
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Orion 9995 - page 21
21 Note: The follo wing appendices apply to the Sirius EQ-G with GoT o hand controller only . Appendix A: Enhancing the Pointing Accuracy The Sir ius EQ-G produces pointing accuracy adequate for most applications . If higher accuracy is required, “cone error” calibration ma y be necessar y . Cone Error Calibration “Cone error” is found in a ...
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Orion 9995 - page 22
22 8. Without moving the R.A. axis, adjust the azimuth control knobs (Figure 2) to or ient P olar is in the center of the ey e - piece field of view . Adjustment in Dec. axis using the hand controller ma y be necessar y . 9. Loosen the R.A. lock knob and carefully rotate the tele- scope 180° about the R.A. axis (Figure 17a &17b) This should be ...
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Orion 9995 - page 23
23 Figure 19a. Adjust the optical axis offset scre ws this w ay if P olaris moves toward the center of the eyepiece when the tube is pushed as in Figure 18. Figure 19b. Adjust the optical axis offset screws this wa y if Polaris mov es awa y from the center of the ey epiece. Figure 20. Using the optical axis offset screws move P olar is halfwa y to ...
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Orion 9995 - page 24
24 Note: Guiding actions are recorded ev en when the PEC train- ing is stopped midway . The PEC + sidereal tracking will not be accurate until a full cycle of the PEC T raining is perf or med. The Sirius EQ-G will emit a “beep” sound and display “Record completed” when the training time is up. Press any button to e xit from the PEC T rainin ...
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Orion 9995 - page 25
25 Appendix C: RS-232 Connection The Sirius EQ-G mount equipped with the GoT o hand control - ler are designed to rec eive commands sent from a comp uter’ s RS- 232 COM p or t (v ia the co mpute r inter fac e cab le). The han d con trolle r will comm unic ate with th e co mpute r a t 96 00 bits/ sec, no parity , no sto p bi t. All angles are com ...
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Orion 9995 - page 26
26 Appendix D: Standar d Time Zones of the World ...
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Orion 9995 - page 27
27 ...
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Orion 9995 - page 28
28 Orion T elescopes & Binoculars 89 Hangar W ay , Watsonville, CA 95076 Customer Support Help Line (800)‑676‑1343 • Day or Evening One-Y ear Limited W arranty This Orion Sirius EQ-G Equator ial Mount is w arranted against defects in materials or workmanship f or a period of one year from the date of purchase . This warranty is f or the b ...
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