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78-8840, 78-8850, 78-8890 maksutov-cassegrain
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78-8831 76mm r efL ector
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instruction manuaL
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BeDienungsanLeitung
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78-8846 114mm r ef Lector
Lit.#: 98-0433/03-10
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ENGLISH M ENJOYING YOUR NEW TELESCOPE 1. Y ou may already be trying to decide what you plan to look at first, once your telescope is setup and aligned. Any bright object in the night sky is a good starting point. One of the favorite starting points in astronomy is the moon. This is an object sure to please any budding astronomer or experienced veteran. When you have developed proficiency at this level, other objects become good targets. Saturn, Mars, Jupiter, and Venus are good second steps
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WHERE DO I START? Your Bushnell telescope can bring the wonders of the universe to your eye. While this manual is intended to assist you in the set-up and basic use of this instrument, it does not cover everything you might like to know about astronomy. a lthough northstar will give a respectable tour of the night sky, it is recommended you get a very simple star chart and a flashlight with a red bulb or red cellophane over the end. f or objects other than stars and constellations, a basic
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Congratulations on the purchase of your Bushnell Northstar Goto Telescope with Real Voice Output! This is the first telescope ever created that actually speaks to you to educate you about the night sky. Consider this feature as your personal astronomy assistant. After reading through this manual and preparing for your observing session as outlined in these pages you can start enjoying the Real Voice Output feature by doing the following: • To activate your telescope, simply turn it on! The
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PARTS DIAGRAMS 1. 1. 2. 3. 8. 8. 2. 7. 7. 3. 6. 6. 9. 9. 4. 4. 5. 5. 78-8840, 78-8850, 78-8831 / 78-8846 78-8890 Telescope Parts Diagram 1. Red Dot Finderscope 6. Quick-Release Accessory Tray 2. 1.25" Format Eyepiece (2 included) 7. Remote Handset Computer Controller 3. Rack and Pinion Focusing Mechanism 8. Main Telescope Tube 4. Accessory Tray Brace 9. Quick-Release Adjustable Aluminum Tripod 5. Quick-Release Tripod Leg Lever 6
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QUICk ASSEMbLY DIAGRAM 78-8831 / 78-8846 / 78-8840 78-8840, 78-8850, 78-8890 78-8850 / 78-8890 A 1. 2. B C 78-8831 / 78-8846 2. PARTS LIST • A djustable A luminum T ripod A ssembly • R ed D ot F indersc ope (Pre-assembled to Northstar Computerized Star Locator Base) • 2 E y epiec es • Q uick R elease Accessory Tray • Bar lo w L ens (R eflec t ors Only) • Northstar Telescope with finger attachment nuts • 90˚ Er ec ting P r ism (M aksut o v Only) 7
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DETAILED ASSEMbLY No tools are required for assembly of your telescope. Remove all components from the carton and identify all components. It is a good idea to lay all the parts out in front of you before assembly. Since your telescope is a precision optical system the parts require careful handling—particularly the onboard computer, telescope, eyepieces, and various accessory lenses. set up tripoD anD accessor Y tra Y 1. Stand Northstar Computerized Star Locator Assembly and attached tr
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DETAILED ASSEMbLY (CONTINUED) M FOCUSING TELESCOPE 1. After selecting the desired eyepiece, aim main telescope tube at a land-based target at least 200 yards away (e.g. a telephone pole or building). 2. Fully extend Focusing Tube by turning Rack and Pinion Focusing Mechanism. 3. While looking through selected eyepiece (in this case the 20 mm), slowly retract Focusing Tube by turning Rack and Pinion Focusing Mechanism until object comes into focus. M ATTACH REMOTE COMPUTER CONTROLLER
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NORTHSTAR COMPUTER HANDSET INTERFACE DIAGRAM 1. On/Off Button (in base/handset 6. LCD Display cradle-see photo) 7. “GO” Button 2. Back Button 8. Motorized Movement Buttons (set of 4) 3. Enter Button 9. Battery Door (in base/handset cradle-see photo) 4. Scroll Up Button 10. Handset Cable Jack 5. Scroll Down Button Inside Mounting base (cradle underneath handset) 6. 3. 4. 2. 5. 9. 10. 8. 7. 1. bUTTON FUNCTIONS ALL bUTTONS ARE ILLUMINATED FOR NIGHTTIME USE. o n/o ff Button: The On/
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bUTTON FUNCTIONS (Continued) “go ” Button: The GO button will automatically center the telescope on any object displayed on the LCD display. By pushing the “GO” button, the telescope will automatically find and follow the selected object until another object is selected and the “GO” button is pushed again. motorized movement Buttons: These four multi-directional buttons will allow the user to override the tracking system and move the telescope utilizing the motors manually to another desire
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M MENU TREE 2 12
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M ALIGNING NORTHSTAR FOR THE FIRST TIME (NOTE: Make certain that the telescope is set up on a level surface.) s tep 1: Before turning the telescope on, remove the remote control handset. When you turn the telescope on, a spoken and scrolling welcome message will be heard and seen as: BUSHNELL NORTHSTAR Vx.x (the version number of the operating software) Following this message, the telescope will execute a diagnostic check and level the telescope tube in relation to the telescope mount. T
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m ALIGNING NORTHSTAR FOR THE FIRST TIME (Continued) Again by using the SCROLL UP and SCROLL DOWN buttons and the ENTER button, the COUNTRY can be chosen. When the appropriate Country is found and the ENTER button is pushed, choose the city that you are closest to with the UP/ DOWN buttons, then press ENTER when it is displayed. NOTE: CHOOSE THE CITY CLOSEST TO YOUR VIEWING LOCATION. THIS IS NOT A CRITICAL STEP AND THE ALIGNMENT WILL BE REFINED AUTOMATICALLY AS WE PROGRESS. step 5: choose anD
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M ALIGNING NORTHSTAR FOR THE FIRST TIME (Continued) Merak, Dubhe and Mizar are bright and relatively easy to find, so you might try one of those. If you are located in the earth's southern hemisphere where the "Big Dipper" is not visible, you can of course still use "ALIGN EARTH" mode, selecting any star you like from the list of visible stars in your area shown on the telescope's display. The star charts towards the back of this manual may also be helpful in choosing a star. Use the UP/D
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m ALIGNING NORTHSTAR FOR THE FIRST TIME (Continued) PRESS ENTER when: PLANET 3120 552 JUPITER or any other PLANET item is displayed. You will see a scrolling message telling you the coordinates for the object, how big it is, what its proper name is, what constellation it is in, and a brief description of what the object is. For JUPITER it reads: JUPITER fifth planet from sun. Largest planet in solar system. 16 moons. Orbit is 11.86 years. Diameter 143,000 km. Named for roman king of
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M ALIGNING NORTHSTAR FOR THE FIRST TIME / ALIGN STAR MODE To select the final mode press ENTER at the display: SELECT MODE TELESCOPE 56 The display reads something like: RA18:53 DEC+38.7 AZ280 ALT+62 LYR The TELESCOPE mode gives you dynamic real-time information on your telescope’s current position in terms of astronomical coordinates. Play around with this mode by moving the telescope around. Notice the three letter abbreviation in the lower right portion of the display. This dynamicall
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m STAR CHARTS 18 NORTHERN HEMISPHERE / SPRING
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m STAR CHARTS 19 NORTHERN HEMISPHERE / SUMMER
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m STAR CHARTS 20 NORTHERN HEMISPHERE / FALL
