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78-8830 76mm RefLEctor
Instruction
Manual
78-8845 114mm Reflector
Lit.#: 91-0265/08-01
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Never Look Directly At The Sun With Your Telescope b Permanent Damage To Your Eyes May Occur 2.
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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. Although 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. For objects other than stars and constellations, a basic guide
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Parts Diagrams 78-8830 76mm and 78-8845 114mm Reflectors 1. 2. 3. 8. 7. 6. 4. 5. 9. Telescope Parts Diagram 1. Red Dot Finderscope 6. Quick-Release Accessory Tray 2. 1.25" Format Eyepiece 7. Remote 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 4.
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QUICK ASSEMBLY DIAGRAM 78-8830 76mm and 78-8845 114mm Reflectors 2. 1. PARTS LIST • Red Dot Finderscope • Adjustable Aluminum Tripod A s s e m b l y (Pre-assembled to Northstar Computerized Star Locator Base) • 20mm 1.25" Diameter Eyepiece • Quick Release Accessory Tray • 4mm 1.25" Diameter Eyepiece • Northstar Telescope with finger attachment nuts • Barlow Lens 5.
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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 A C C E S S O R Y T R A Y 1. Stand Northstar Computerized Star Locator Assembly and attache
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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 AND BATT
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M ENJOYING YOUR NEW TELESCOPE 1. First determine your targeted object. 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 to take. 2. The first thing you need to do after assembling the telescope
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M 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. 2. If possible view from a location that has relatively few lights. This will allow you to see much fainter objects. You’d be surprised how much more you’ll
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NORTHSTAR COMPUTER INTERFACE DIAGRAM 1. On/Off Button (On Northstar Base) 6. 2. Back Button 3. Enter Button 3. 4. 4. Scroll Up Button 2. 5. 5. Scroll Down Button 6. LCD Display 7. “GO” Button 8. 8. Motorized Movement Buttons (4) 7. 9. Battery Door (On Northstar Base) BUTTON FUNCTIONS A L L B U T TONS ARE ILLUMINATED FOR NIGHTTIME USE. On/Off Button: The On/Off Button will turn the Northstar Computerized Star Locator on and off. This button flashes or strobes on and off during normal use. To
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M MODE OVERVIEW OF PRODUCT Explore: The Explore Mode of Northstar provides the ability to explore various astronomical objects categorized by object type. These objects would fall under one or more of the following types of objects: Deep Sky, Planets, Constellations, and Stars. Each of these subheadings would also have subcategories of objects beneath their menu structure. (See Menu Tree for full list of menu functions and options.) Sky T o u r : The Sky Tour Mode of Northstar provides the ab
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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 T E P 1: POINT NORTH Point the telescope in the direction of North. NOTE: THE USER SHOULD JUSTA T T E M P T TO GETTHE TELESCOPE POINTED RELA T I V E LYCLOSE 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 DIAGRAM TO THE NOR T H S TAR. THE NORTH STAR LIES DIRECTLYA
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M ALIGNING NORTHSTAR FOR THE FIRST TIME (Continued) S T E P 2: SET THE TIME By using the SCROLL U P and SCROLLDOWN buttons and the ENTER button, the time can easily be set as well as the time zone. Each flashing option will need to be changed to read the appropriate number. Once the appropriate number is displayed, accept the number by pressing ENTER. Then set the next flashing option until the time and time zone are set. S T E P 3: SET THE DA T E Again by using the SCROLL U P and SCROLLDOW
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M ALIGNING NORTHSTAR FOR THE FIRST TIME (Continued) The distance the object is from the center is related to how far outside of a city you might be located or how accurately you aligned with north. Repeat this process for STAR 2 and press ENTER. After this step is completed, you will see a display that reads: (Note: The more stars that appear on the second line of the display the better, up to 5) After the two star alignment is complete, your Northstar now knows with pinpoint accuracy where
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M USING NORTHSTAR FOR THE FIRST TIME (Continued) Now imagine that you are a parent trying to impress your children (or vice versa). Ten minutes into your first observing session you are already learning astronomical objects. This is a great educational tool !!!! To find the object, just press the “GO” button and that object will be right in the telescope’s eyepiece! By pressing the BACK button, you move back to the previous level each time the button is pressed. Press the button three time
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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. In addition, the constellation abbreviations are defined that are found in the Northstar system. 17.
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Catalog Index CONSTELLATION ABBREVIATIONS Andromeda (And) Lacerta (Lac) Antila (Ant) Leo (Leo) Apus (Aps) Leo Minor (LMi) Aquarius (Aqr) Lepus (Lep) Aquila (Aql) Libra (Lib) Ara (Ara) Lupus (Lup) Aries (Ari) Lynx (Lyn) Auriga (Aur) Lyra (Lyr) Bootes (Boo) Mensa (Men) Caelum (Cae) Microscopium (Mic) Camelopardis (Cam) Monoceros (Mon) Cancer (Cnc) Musca (Mus) Canes Venatici (CVn) Norma (Nor) Canis Major (CMa) Octans (Oct) Canis Minor (CMi) Ophiuchus (Oph) Capricornus (Cap) Orion (Ori) Carina (Car)
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Catalog Index NAME - NAME RA - RIGHT ASCENSION (hours min.min) DEC - DECLINATION (degrees) MAG - MAGNITUDE SIZE - SIZE CON - CONSTELLATION Messier Catalog MESSIER CATALOG NAME RA DEC MAG SIZE CON DESCRIPTION M001 Crab nebula supernova remnant NGC 1952 05 34.5 +22.0 8.4 6' Tau nebula M002 NGC 7089 21 33.5 -0.8 6 7' Aqr globular cluster highly resolved M003 NGC 5272 13 42.2 +28.4 6 18' Cvn globular cluster highly resolved M004 NGC 6121 16 23.6 -26.5 5.9 26' Sco globular cluste
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M059 NGC 4621 12 42.0 +11.7 9.8 2' Vir elongated galaxy with bright core M060 NGC 4649 12 43.7 +11.6 8.8 3.5' Vir round galaxy with bright core M061 NGC 4303 12 21.9 +04.5 9.7 5' Vir spiral galaxy structure M062 NGC 6266 17 01.2 -30.1 6.5 9' Oph globular cluster M063 Sunflower NGC 5055 13 15.8 +42.0 8.6 9' Cvn elongated galaxy with bright core M064 Black eye NGC 4826 12 56.7 +21.7 8.6 7.5' Com elongated galaxy dusty M065 Leo triplet NGC 3623 11 18.9 +13.1 9.3 10' Leo very elongated galaxy with b
