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. Although...
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78-7860 60mm Refractor Parts Diagrams 78-7880 80mm Refractor I M P O RTA N T: READ T H R O U G H A S S E M B LY INSTRUCTION BEFORE YOU A S S E M B L E YOUR T E L E S C O P E .
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1. Wide Field Finderscope 2. 1.25" Format Eyepiece 3. Penta Mirror 4. Rack and Pinion Focusing Mechanism 5. Accessory Tray Brace Parts Diagrams (Continued) 78-7830 3” Reflector 78-7845 4.5” reflector Quick-Release Tripod Leg Lever Quick-Release Accessory Tray Onboard Computer Main Telescope Tube...
Quick Assembly Diagram Parts List • 20mm 1.25" Diameter Eyepiece • 4mm 1.25" Diameter Eyepiece • Barlow Lens • Erecting Lens (not included with model 78-7830) • Penta Mirror (not included with model 78-7830) 78-7830 3” Reflector 78-7845 4.5” reflector...
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(See Quick Assembly Diagram) 3. Position Main Telescope Tube Attachment Bolts through Telescope Tube Bracket at the top of the N o r t h s t a r Computerized Star Locator A s s e m b l y. Make sure the telescope is pointing in the correct direction. (Logo on telescope tube should be right side-up.)
Field Finderscope are precisely centered on the same object already centered in Main Telescope Tu b e ’s field of view. N o w, objects located first with the Wide Field Finderscope will be centered in the field of view of the main telescope.
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Saturn, Mars, Jupiter, and Venus are good second steps to take. 2. The first thing you need to do after assembling the telescope as planned is center the desired object in the finderscope’s cross hairs. Provided you did a reasonable job aligning the finderscope, a quick look through the main telescope tube at low power should reveal the same image.
HELPFUL HINTS 1 . Your telescope is a very sensitive instrument. For best results and fewer vibrations set your telescope up on a level location on the ground rather than your concrete driveway or your wooden deck. This will provide a more stable foundation for viewing, especially if you’ve drawn a crowd with your new telescope.
Northstar Computer Interface Diagram Computer Link Scroll Up Button Scroll Down Button Back Button Enter Button LCD Display On/Off/Dim Button Battery Cover Door Battery Cover Set Screw Back Button: This button functions to navigate to the previous level within the operating framework and/or back to the previous level of input.
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I d e n t i f y : The Identify Mode of Northstar provides the ability to Identify any object within your telescope field of v i e w. Subcategories for different classes of identifiable objects are included as well as an Identify Any option.
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Then the default menu will appear: This mode assumes that even if the telescope user is a first time user and does not know anything about astronomy that they can be successful aligning the telescope in a few simple steps.
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A L I G N M E N T W I L LA U TO M AT I C A L LY BE REFINED AS WE PROGRESS. S T E P 4: POINT NORTH After choosing the city, the display will read: You would then point the telescope in the direction of North and press ENTER.
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ALIGNING NORTHSTAR FOR THE FIRST TIME (Continued) NOTE: THE USER WOULD JUST H AVE TO GET THE TELESCOPE POINTED RELAT I V E LY CLOSE TO N O RTH. THE A L I G N M E N T W I L L BE REFINED AS WE PROGRESS. HOWEVER, IF YOU CAN FIND T H E BIG DIPPER AND USE THE "POINTER STARS", FOLLOW THE ARROW ON THE ABOVE DIAGRAM TO...
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Select EXPLORE by pressing ENTER. SCROLL UP and DOWN to see what flashing menu choices you have. I always choose PLANET. These are the most interesting. Even if you are a first time telescope user, PLANET objects can be very exciting. Press ENTER when the display reads: This will take you into a list of named PLANETobjects.
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By selecting this option with the ENTER key, it will IDENTIFYthe object that you are currently viewing OR the closest object to where your telescope is currently pointed. You also have the options to choose other types of IDENTIFY menus. These will IDENTIFY the closest CLUSTERS, NEBULAS, etc. to your current telescope position.
Catalog Index The following appendix information is more thorough information than that listed in the main instruction manual. For sake of space, the complete 20,000 object catalog is not listed. However, we have included the entire star list and the entire Messier object lists for your information.
PRESS ENTER for desired country SCROLLUP/DOWN PRESS ENTER for desired city PRESS ENTER (Make sure telescope is still level) Move telescope until display reads: By looking through the eyepiece, center the star in the field of view. PRESS ENTER Move telescope until display reads: By looking through the eyepiece, center the star in the field of view.
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PRESS BACK button until you get back to the main menu: SCROLLUP/ DOWN PRESS ENTER The TELESCOPE mode gives you dynamic real-time information on your telescope's current position in terms of Play around with this mode by moving the telescope around.
Your Bushnell ® telescope is warranted to be free of defects in materials and workmanship for the lifetime of the original owner. The Lifetime Limited Warranty is an expression of our confidence in the materials and mechanical workmanship of our products and is your assurance of a lifetime of dependable service.