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Bushnell 78-8830, 78-8845 manual

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Table of contents for the manual

  • Page 1

    Instructi on Manual 78-8830 76mm RefLEc t or 78-8845 114mm Reflec to r Lit.#: 91-0265/08-01[...]

  • Page 2

    2. N e v e r L o o k D i r e c t l y A t T h e S u n W i t h Y o u r Te l e s c o p e P e r m a n e n t D a m a g e To Y o u r E y e s M a y O c c u r ❂[...]

  • Page 3

    WHERE DO I START? 3. Y our 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 ge[...]

  • Page 4

    4. 78-8830 76mm and 78-8845 114mm Reflec t ors P arts Diagrams 1. Red Dot Finderscope 2. 1.25" Format Eyepiece 3. Rack and Pinion Focusing Mechanism 4. Accessory T ray Brace 5. Quick-Release T ripod Leg Lever 6. Quick-Release Accessory T ray 7. Remote Computer Controller 8. Main T elescope T ube 9. Quick-Release Adjustable Aluminum T ripod Tel[...]

  • Page 5

    • Adjustable Aluminum Tripod A s s e m b l y (Pre-assembled to Northstar Computerized Star Locator Base) • Quick Release Accessory T ray • Northstar Telescope with finger attachment nuts • Red Dot Finderscope • 20mm 1.25" Diameter Eyepiece • 4mm 1.25" Diameter Eyepiece • Barlow Lens 78-8830 76mm and 78-8845 114mm Reflec t o [...]

  • Page 6

    DETAILED ASSEMBL Y 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, [...]

  • Page 7

    M ALIGNING FINDERSCOPE Look through Main Telescope Tube and establish a well-defined target. (see Focusing Telescope section) Remove plastic insulator from between Red Dot Finderscope battery and battery clip. Turn Red Dot Finderscope on. Looking through Red Dot Finderscope, turn adjustment wheels until the red dot is precisely centered on the same[...]

  • Page 8

    M ENJOYING YOUR NEW TELESCOPE 8. 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 g[...]

  • Page 9

    M HELPFUL HINTS 9. 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 possib[...]

  • Page 10

    BUTTON FUNCTIONS 1. On/Off Button (On Northstar Base) 2. Back Button 3. Enter Button 4. Scroll Up Button 5. Scroll Down Button 6. LCD Display 7. “GO” Button 8. Motorized Movement Buttons (4) 9. Battery Door (On Northstar Base) NORTHSTAR COMPUTER INTERFACE DIAGRAM The Liquid Crystal Display (LCD) is a two-line, sixteen character display. The LCD[...]

  • Page 11

    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 bene[...]

  • Page 12

    12.[...]

  • Page 13

    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 L YCLOSE TO N O R TH. THE A L I G N M E N T W I L L BE REFINED AS WE PROGRESS. HOWEVER, I[...]

  • Page 14

    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 ENT[...]

  • Page 15

    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 th[...]

  • Page 16

    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[...]

  • Page 17

    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 a[...]

  • Page 18

    Andromeda (And) Antila (Ant) Apus (Aps) Aquarius (Aqr) Aquila (Aql) Ara (Ara) Aries (Ari) Auriga (Aur) Bootes (Boo) Caelum (Cae) Camelopardis (Cam) Cancer (Cnc) Canes Venatici (CVn) Canis Major (CMa) Canis Minor (CMi) Capricornus (Cap) Carina (Car) Cassiopeia (Cas) Centaurus (Cen) Cepheus (Cep) Cetus (Cet) Chameleon (Cha) Circinus (Cir) Columbia (C[...]

  • Page 19

    NAME - NAME RA - RIGHT ASCENSION (hours min.min) DEC - DECLINATION (degrees) MAG - MAGNITUDE SIZE - SIZE CON - CONSTELLATION Messier C a t alog C a t alog Ind e x 19. MESSIER CA T ALOG NAME RA DEC MAG SIZE CON DESCRIPTION M001 Crab nebula supernova remnant NGC 1952 05 34.5 +22.0 8.4 6' T au nebula M002 NGC 7089 21 33.5 -0.8 6 7' Aqr globu[...]

  • Page 20

    Star Ca t alog 20. 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&apos[...]

  • Page 21

    ST019 Iota Iota CET 00 19.4 -8.8 3.5 * Cet star ST020 VX VX AND 00 19.9 +44.7 8 * And star ST021 R 00 24.0 +38 35 5.8 Stellar And variable star ST022 ∑ 30 00 27.2 +49 59 6.9 15" Cas double star ST023 AQ AQ AND 00 27.6 +35.6 6.9 * And red variable star ST024 Beta Beta TUC 00 31.5 -63 4.4 27" Tuc double star ST025 ∑ 36 Struve 36 00 32.4[...]

  • Page 22

    ST094 pi 02 49.3 +17 28 5.2 3" Ari triple star ST095 Eta ∑ 307 02 50.7 +55 53 3.9 28" Per double star magnitude contrast ST096 R R HOR 02 53.9 -49.9 4.7 * Hor variable star ST097 ∑ 330 Struve 330 02 57.2 -0.6 7.3 9" Cet double star ST098 Acamar Theta ERI 02 58.3 -40.3 3.5 8" Eri double star ST099 Epsilon Epsilon ARI 02 59.2 [...]

  • Page 23

    ST168 Hinds Crimson Star R LEP 04 59.6 -14.8 5.9 * Lep variable star ST169 ∑ 627 05 00.6 +03 36 6.6 21" Ori double star equal magnitude ST170 ∑ 631 Struve 631 05 00.7 -13.5 7.5 5.5" Lep double star ST171 ∑ 630 Struve 630 05 02.0 +01.6 6.5 15" Ori double star ST172 Epsilon 05 02.0 +43 49 2.9 Stellar Aur variable star ST173 Zeta [...]

  • Page 24

    ST243 BL BL ORI 06 25.5 +14.7 8.5 * Ori variable star ST244 15 06 27.8 +20 47 6.6 27" Gem double star ST245 Beta 06 28.8 -07 02 3.8 3" Mon triple star ST246 ADS5150 ADS 5150 06 31.8 +38.9 1 1.5 4.5" Aur double star ST247 20 20 GEM 06 32.3 +17.8 6.3 20" Gem colored double star ST248 ADS5188 ADS 5188 06 34.3 +38.1 6.7 43" Aur[...]

  • Page 25

    ST317 Epsilon Epsilon VOL 08 07.9 -68.6 4.4 6" Vol double star ST318 Gamma Gamma VEL 08 09.5 -47.3 1.9 41" V el double star ST319 Zeta 08 12.2 +17 39 4.7 0.6" Cnc triple star challenge ST320 c c CAR 08 15.3 -62.9 5.3 4" Car double star ST321 Beta Beta CNC 08 16.5 +09.2 3.5 * Cnc star ST322 R R CNC 08 16.6 +11.7 6.1 * Cnc variabl[...]

  • Page 26

    ST392 Rho Rho LEO 10 32.8 +09.3 3.9 * Leo star ST393 49 10 35.0 +08 39 5.7 2" Leo double star challenge ST394 U U ANT 10 35.2 -39.6 8.1 * Ant variable star ST395 Gamma Gamma CHA 10 35.5 -78.6 4.1 * Cha star ST396 U U HY A 10 37.6 -13.4 7 * Hya variable star ST397 Dunlop95 Dunlop 95 10 39.3 -55.6 4.3 52" V el double star ST398 35 ∑ 1466 [...]

  • Page 27

    ST466 Theta 51 Vir, ∑ 1724 13 09.9 -05 32 4.4 7" Vir triple star challenge ST467 Alpha 13 10.0 +17 32 5 0.5" Com double star challenge ST468 54 13 13.4 -18 50 6.8 5" V ir double star ST469 J J CEN 13 22.6 -61 4.7 1' Cen double star ST470 Zeta Mizar 13 23.9 +54 56 2.3 14" Uma double star ST471 Spica Alpha VIR 13 25.2 -11.2[...]

  • Page 28

    ST541 Pi ∑ 1972 15 29.2 +80 26 6.9 31" Umi double star ST542 Lal123 15 33.1 -24 29 7.5 9" Lib double star equal magnitude ST543 Delta Delta SER 15 34.8 +10.5 4 3.9" Ser double star ST544 Gamma Gamma LUP 15 35.1 -41.2 2.8 * Lup star ST545 h4788 h4788 15 35.9 -45 4.7 2.2" Lup double star ST546 Upsilon Upsilon LIB 15 37.0 -28.1 3[...]

  • Page 29

    ST615 Psi ∑ 2241 17 41.9 +72 09 4.9 30" Dra double star ST616 Kappa Kappa SCO 17 42.5 -39 2.4 2.5° Sco star ST617 V V P AV 17 43.3 -57.7 5.7 * Pav variable star ST618 Beta Beta OPH 17 43.5 +04.6 2.8 * Oph star ST619 61 ∑ 2202 17 44.6 +02 34 6.2 21" Oph double star equal magnitude ST620 SZ SZ SGR 17 45.0 -18.6 9 * Sgr variable star ST[...]

  • Page 30

    ST690 RR 19 25.5 +42 47 7.1 Stellar Lyr variable star ST691 ∑ 2525 Struve 2525 19 26.6 +27.3 8.1 2" V ul double star ST692 h5114 h5114 19 27.8 -54.3 5.7 70" T el double star ST693 Alpha Alpha VUL 19 28.7 +24.7 4.4 * V ul star ST694 Albireo Beta CYG 19 30.7 +28.0 3 35" Cyg colored double star ST695 Mu Mu AQL 19 34.1 +07.4 4.5 * Aql [...]

  • Page 31

    ST764 ∑ 2780 Struve 2780 21 11.8 +60.0 5.6 1.0" Cep double star challenge ST765 Delta 21 14.5 +10 00 4.6 48" Equ double star magnitude contrast ST766 Theta Theta IND 21 19.9 -53.5 4.5 6" Ind double star ST767 RY RY AQR 21 20.3 -10.8 8 * Aqr variable star ST768 Y Y PAV 21 24.3 -69.7 8.6 * Pav variable star ST769 Beta 21 28.7 +70 33 [...]

  • Page 32

    32. W ARRANTY / REPAIR TELESCOPE LIFETIME LIMITED WARRANTY Y ou r B us hn ell ® t eles c op e is warra nt ed to be free of d ef e cts in mater ial s an d w or k ma ns hip for the lifet ime of th e o rig ina l owne r . T he Lif e ti m e L im ite d W ar r ant y is an expr e ssi o n of ou r con fi de nce in th e ma t e rial s and mec h anic al workm [...]

  • Page 33

    33. NO TES[...]

  • Page 34

    F or fu r th e r q ue s ti o n s o r a d di t i on al i n fo r ma t i on p le a se c o nta ct : Bushnell Performance Optics 8500 Marshall Drive Lenexa, Kansas 66214 ( 80 0 ) 4 2 3 - 35 3 7 • w ww . b u s h n e l l . c o m[...]