Manuale d’uso / di manutenzione del prodotto 93507 del fabbricante Celestron
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I I N N S S T T R R U U C C T T I I O O N N M M A A N N U U A A L L.
2 INTRODUCTION ................................................................................................................... ........................................ 5 W ARNING ....................................................................
3 Version ........................................................................................................................ ........................................ 26 Get A lt-Az ................................................................
4 APPENDIX E – TI ME ZON E MAP ..................................................................................................... ....................... 64 SKY MAPS ................................................................................
5 Congra tulations o n y our purcha se of the Celes tron Nex Star G PS telescope ! The N exStar GPS ushers in the nex t generatio n of compu ter automat ed telescop es.
6 2 1 3 4 Place t he center le g brace betw een the tri p od le g s and ti g hten t he te nsio n kn ob so t hat t he br ace p ushes ou t a g ainst t he le g s. Loosen t he extensio n clam p at the en d of ea ch tr ipod le g and slide down the inner p orti on of the le g to the desir ed hei g ht.
7 5 6 7 8 The NexStar will automaticall y p ick an ali g nmen t star and slew the telesco p e close to t hat star. Once the re, the dis p la y wi ll ask you t o use t he a rrow butt ons t o aim t he fin dersc o p e at the star. If the star is not v isible (perhaps behind a tree), press UNDO to select a new star.
8 1 Cont rol P anel (see bel ow ) 7 Optical Tu be 2 Focus Knob 8 Schmidt Correct or Lens 3 Star Diag onal 9 Hand C ontrol 4 Eyepiece 10 Fork Arm 5 Finde rsc ope 11 Carryin g Handle 6 Finderscope Adj u.
9 The NexStar co mes completel y pre-assembled an d can be op erational in a matter of minu tes. The NexS tar and its accesso ries are convenie ntly pac kaged in one reusable shipping ca rton while the tripod c omes in its ow n box.
10 A A A A A A A A d d d d d d d d j j j j j j j j u u u u u u u u s s s s s s s s t t t t t t t t i i i i i i i i n n n n n n n n g g g g g g g g t t t t t t t t h h h h h h h h e e e e e e e e T T T.
11 1. P lace the center hole in the bottom of the telescop e base over the positioning pin in the center of the tripod plate. 2. Rotate the te lescope base until t he threade d holes a lign with the hol es in the tr ipod head. 3. Threa d the three mounti ng bolts from underneath the tr ipod he ad int o the bottom of the teles cope ba se.
12 A A A A A A A A d d d d d d d d j j j j j j j j u u u u u u u u s s s s s s s s t t t t t t t t i i i i i i i i n n n n n n n n g g g g g g g g t t t t t t t t h h h h h h h h e e e e e e e e C C C.
13 To remove th e eyepiece, lo osen the thu mbscrew on th e star diagonal an d slide th e eyepiece out. Eyepieces ar e common ly referred to by focal lengt h and b arrel diameter. The focal lengt h of eac h eyepiece i s print ed on the eyepiece barrel.
14 A A l l i i g g n n i i n n g g t t h h e e F F i i n n d d e e r r s s c c o o p p e e To mak e the alignm ent process a little e asier, y ou should pe rform this task in the day time w hen it is easie r to locate obje cts in the telesc ope without t he f inder.
15 1 2 3 4 5 6 7 8 11 12 9 10 The Nex Star has a rem ovable hand c ontroller bu ilt into the si de of t he fork arm designe d to give y ou instant acc ess to all the functions the N exSta r has to off er.
16 Planets - A ll 8 planets in our S olar Sy stem plus the Moon. Stars – A compiled list of th e brightest stars fro m the SAO catalo g. List – For quick access, all of the best and most popul ar .
17 G G P P S S A A l l i i g g n n m m e e n n t t GPS Alig n must be us ed with the tele scope m ounted in alta zimuth. W ith GPS A lign mode, the NexStar a utomatic ally levels the optic al tube, it.
18 6. After the firs t alignment st ar has been rec orded, the Nex Star w ill automatic ally slew to a second alignment s tar and hav e you re peat the a lignment proc ess f or that s tar.
19 Based on this inf ormation, the Ne xStar will automa tically select a bright star tha t is above the horiz on and slew towards it. Once f inished slewing , the display will ask you to use the arrow butto ns to align the selecte d star with the c ross hairs in the center of the f inder scope.
20 E E Q Q N N o o r r t t h h / / E E Q Q S S o o u u t t h h A A l l i i g g n n m m e e n n t t EQ North and EQ South A lignm ents ass ist the use r in aligning the tele scope w hen polar alig ned on an op tional equa torial we dge.
21 8. Fo r your second star alignment, do one o f the followin g • Select a b right star o r planet from th e database an d slew to it. I f it is visi ble in t he eyepiece, u se th at object to realign to, rep lacing the remaini ng star when asked to choo se.
22 T T T T T T T T o o o o o o o o u u u u u u u u r r r r r r r r M M M M M M M M o o o o o o o o d d d d d d d d e e e e e e e e The Nex Star includes a tour f eature which autom atica lly allows the user to c hoose f rom a list of interesting objects based on the date a nd tim e in whic h you are obse rving.
23 S S S S S S S S e e e e e e e e t t t t t t t t u u u u u u u u p p p p p p p p P P P P P P P P r r r r r r r r o o o o o o o o c c c c c c c c e e e e e e e e d d d d d d d d u u u u u u u u r r r.
24 the tim e of observi ng. Since these objects are relative to the loc ation of the telescope, they are only vali d for that exact locati on. To save l and obj ects, once again center th e desired object in the eyepiece. Scrol l down to the " Save Land Obj " c ommand and pr ess ENTER.
25 Filter L imi ts – When an a lignment is c omplete, the NexStar a utomatic ally know s which cele stial objec ts are above the horizon. A s a result, w hen scrolling through the databa se lists (o.
26 Compass – These compas s features al low you to au tomatically move your telescop e to the north po sition and cali brate north for in creased accurac y of future alignments. • Find Celestial No rth – Automatically finds and m oves the telescope to its true north position.
27 ALT- A Z EQ N ORTH EQ SOUT H OFF MOD E SIDEREAL SOLA R LU NA R RA T E TRA CKING VIEW TI ME- SIT E SETUP T IME- SI T E ANTI - BACKLAS H SLE W LI MI T S FI LT ER LIM I T S DIRECTION BUTTONS GOTO APPR.
28 Figure 5-1 A A c c u u t t a a w w a a y y v v i i e e w w o o f f t t h h e e l l i i g g h h t t p p a a t t h h o o f f t t h h e e S S c c h h m m i i d d t t - - C C a a s s s s e e g g r r a .
29 Figure 5-3 The emblem on the end of the focus knob show s the correct rot ational dire ction for focusing the NexStar . F F F F F F F F o o o o o o o o c c c c c c c c u u u u u u u u s s s s s s s.
30 thousan d yards. The app arent field o f each eyepiece that Celestron manu factures is f ound in the Cele stron A ccess ory Ca talog (#93 685) . G G G G G G G G e e e e e e e e n n n n n n n n e e .
31 Up to this point, t his m anual cov ered the asse mbly and basic opera tion of y our Ne xStar te lescope . How ever, to u ndersta nd your te lescope more thoroughly , you need to kn ow a little about the nig ht sky. This se ction deals w ith observationa l astronom y in g eneral a nd inclu des inf orma tion on the night sky and polar alignm ent.
32 M M M M M M M M o o o o o o o o t t t t t t t t i i i i i i i i o o o o o o o o n n n n n n n n o o o o o o o o f f f f f f f f t t t t t t t t h h h h h h h h e e e e e e e e S S S S S S S S t t t.
33 P P P P P P P P o o o o o o o o l l l l l l l l a a a a a a a a r r r r r r r r A A A A A A A A l l l l l l l l i i i i i i i i g g g g g g g g n n n n n n n n m m m m m m m m e e e e e e e e n n n.
34 Little Dipper. T hey point to P olaris (see Fig ure 6-6). T he position of the Big Dippe r chan ges during the yea r and throug hout the course of the night (see Fig ure 6- 5). W hen the B ig D ipper is low in the sky (i.e ., near the horiz on), it m ay be difficult to locate.
35 • If the sta r drifts south, the polar a xis is too fa r east. • If the star drifts north, t he polar axis is too f ar w est. Make the appropriate a djustments to the polar axis to elim inate any drif t. Once y ou have elimina ted all the drift, m ove to the star near th e eastern horizon .
36 With y our teles cope se t up, you are r eady to us e it for obs erving . T his sec tion covers visual obser ving hints f or both solar sy stem and deep sky objects a s well a s general obser ving conditio ns which w ill affe ct your ability to observe .
37 O O O O O O O O b b b b b b b b s s s s s s s s e e e e e e e e r r r r r r r r v v v v v v v v i i i i i i i i n n n n n n n n g g g g g g g g t t t t t t t t h h h h h h h h e e e e e e e e S S S S S S S S u u u u u u u u n n n n n n n n Althoug h overlo oked by m any am ateur a stronom ers, s olar obs erva tion is both rew arding and fun.
38 polluted a reas by bloc king unw anted light w hile transm itting light from certa in deep sky obje cts. You can, on the ot her hand, o bserv e planets a nd stars from light poll uted are as or w hen the Mo on is out.
39 Afte r looking at the night sky for a while you may want to tr y photog raphing it. Se veral f orms of celestial phot ogra phy are possib le with your t elescope, in cluding sho rt exposur e prime focus, e yepiece project ion, long exposur e deep sky, terres trial and ev en CCD imaging.
40 2. Center the Moon i n the f ield of your Ne xStar te lescope . 3. Focus the telesc ope by tur ning th e focus knob until the ima ge is s harp. 4. Set the shutter spe ed to the appropriate setting (see ta ble below ). 5. Trip the shutt er using a cable rel ease.
41 2. Turn the focus kn ob until th e image is as sharp as po ssible. 3. P lace the bl ack card over the fro nt of the telesco pe. 4. Release t he shut ter using a cable rel ease. 5. Wait f or the v ibration caus ed by relea sing the s hutter t o dimi nish.
42 1. Polar alig n the tele scope using a n optio nal equat orial w edge . To polar a lign the NexSta r you m ust sele ct EQ North Alig n (or EO Sout h Alig n) from the alignm ent options. For m ore inf ormation on p olar alignin g, see the Polar A lignme nt section earli er in the manua l.
43 Note: When recording PEC only the photo gui de rates (rate s 1 and 2) w ill be ope rational. T his elimina tes the possibi lity of moving the teles cope sudde nly while recording . 5. To begin re cording the drive' s periodic err or, press the MENU button a nd select PEC from the Utilities menu.
44 M M e e t t e e r r i i n n g g The N exStar has a fixed a perture and, a s a res ult, fixed f /ratios. T o properly expose your subjec ts photogra phica lly, y ou need to s et y our shutter speed ac cording ly. Mos t 35m m SL R camera s off er through-t he-lens me tering w hich lets y ou know if your pic ture is under or ove rex posed.
45 The a bove f igure s hows how the s econdar y m irror is r emove d when usi ng the optiona l CC D cam era at f /2 and t he Fastar Lens Assembly. Warning: T he seconda ry mirror s hould ne ver be re move d unless i nstalling t he optio nal Fasta r Lens Assem bly.
46 exposu re time needed about 25 times shorter t han at f/10 , the field of vie w 5 times larger and the object si ze 1/5 compared to that of f/10. (see Tabl e below) Telescope Model Standard Casseg rain f/10 With Reducer/Corrector f/6.3 With Fastar Lens Accessory f/2 NexStar 8 GPS 80" (20 32mm) 50.
47 A A u u t t o o G G u u i i d d i i n n g g The NexStar GPS has a d esignated auto gu iding po rt for use with a CCD auto guider. The d iagram belo w may be useful when connect ing the CCD camera cabl e to th e NexStar and calibrat ing th e autoguider.
48 While your Ne xStar telesc ope requires little m aintenanc e, there are a few things to rem ember that w ill ensure your te lescope perf orms at its best.
49 Figure 9- 3 A coll im ated teles cop e should appe ar symm etrical with th e centr al obstru ction center ed in t he star 's diffrac tion pattern. To accomplish this, you need to tighten the second ary collim ation screw(s) that m ove the star acro ss the field toward the direction of the s kew ed light.
50 You will find that additional accessories enha nce your vie wing pleasure and expand the u sefulness of your telescop e. For ease of refere nce, all the acce ssories are listed i n alphab etical or der.
51 • Lanthanum Eyep ieces (LV S eries) - L anthanum is a unique rar e ear th glass used in one of the f ield lense s of this new eyepiece. The Lanth anum glass red uces aberrations to a minimum.
52 Rad ial Gu ider (#94176) - The Celestron Radial Guider ® is specifi cally designed for use in prim e f ocus, dee p sky astr ophotogr aphy and take s the pl ace of the T-Adapter. This devic e allow s you to phot ograph a nd gui de sim ultane ously through the opt ical tube assem bly of your te lescope .
53 Appendix A - T e chnical Specifications Optical Sp ecification Ne xStar 8 GPS NexSta r 11 GPS Des ign Schm idt-Ca sseg rain Cata dio ptric Schm idt-Ca sseg rain Cata dio ptric Ape rture 8" (2 03.
54 Appendix B - Glossar y of T erms A - Absolute magnitude The a pparent m agnitude that a st ar w ould hav e if it were obs erve d from a standar d distance of 10 parsec s, or 32.
55 J - Jovian P lanets Any of the fou r gas giant p lanets that are at a greater dist ance form the su n than th e terrestrial planet s. K - Kuiper Be lt A reg ion bey ond the or bit of Neptune e xtendi ng to a bout 100 0 AU w hich is a s ource of ma ny short period c ome ts.
56 telescop e at this rat e. The rate is 15 arc seco nds per second or 15 degrees per h our. T - Term inator The bou ndary line betw een the light a nd dark portio n of the m oon or a pla net. U - Univers e The totality of astronom ical thing s, events , relations an d energ ies capa ble of being describe d object ively.
57 A A P P P P E E N N D D I I X X C C L L O O N N G G I I T T U U D D E E S S A A N N D D L L A A T T I I T T U U D D E E S S LONGITUDE LA TI TU DE degrees mi n degrees min AL ABA MA Anniston 85 51 33 34.8 Auburn 85 26.4 32 40.2 Birmingham 86 45 33 34.
58 LONGITUDE LA TI TU DE degrees mi n degrees min Melbourne 80 37.8 28 6 Miami 80 16.8 25 49.2 Naples 81 4.8 26 7.8 Nasa Shuttle 80 40.8 28 37.2 Orlando 81 19.2 28 25.8 Panam a City 85 40.8 30 12 Patrick AFB 80 3.6 28 13.8 Pensacola 87 19.2 30 21 Ruskin 82 3.
59 LONGITUDE LA TI TU DE degrees mi n degrees min Wurtsmith 83 2.4 44 27 Ypsilanti 83 31.8 42 13.8 MINNESOTA Albert Lea 93 22.2 43 40.8 Alexandria 95 22.8 45 52.2 Bemidji M uni 94 55.8 47 30 Brainerd-C rw 94 7.8 46 24 Detroit Laks 95 52.8 46 49.2 Duluth 92 10.
60 LONGITUDE LA TI TU DE degrees mi n degrees min OKLAHOMA Altus AFB 99 16.2 34 40.2 Ardm ore 97 1.2 34 18 Bartlesville 96 0 36 45 Clinton 99 1.2 35 21 Enid 97 4.8 36 22.8 Fort Sill 98 2.4 34 39 Gage 99 46.2 36 18 Hobart 99 3 35 0 Lawton 98 25.2 34 34.
61 LONGITUDE LA TI TU DE degrees mi n degrees min Walla Walla 118 16.8 46 6 Wenatchee 120 1.2 47 24 Whidbey Is 122 39 48 21 Yakima 120 31.8 46 34.2 WEST VIRGINIA Beckley 81 7.2 37 46.8 Bluefield 81 13.2 37 18 Charleston 81 3.6 38 22.2 Clarksburg 80 13.
62 Appendix D - RS-232 C onnection You can c ontrol y our Ne xStar te lescope with a c omputer via the R S-232 port on the c om puterized h and co ntrol and using a n optiona l RS-2 32 ca ble (#939 20). Once conne cted, the Nex Star ca n be contro lled us ing pop ular a stronomy softw are pr ogram s.
63 Additional RS23 2 Commands S S e e n n d d A A n n y y T T r r a a c c k k R R a a t t e e T T h h r r o o u u g g h h R R S S 2 2 3 3 2 2 T T o o T T h h e e H H a a n n d d C C o o n n t t r r o o l l 1. Multiply the des ired trac king ra te (arc seconds/s econd) by 4.
64 A PPENDIX E – MAPS OF TIME ZONES.
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72 Obser v ati onal Dat a Sheet Yearly Meteor Show ers Shower Da te Peak Hourly Rate Quadrantids Jan 01-Jan 05 4-Jan 60-200 Lyrids Apr 16-Apr 25 21-Apr 15 pi-Puppids Apr 15-Apr 28 23-Apr Var. eta-Aquarids Apr 19-May 28 5-May 60 June Bootids Jun 26-Jul 02 27-J un Var.
CELESTRON TWO YEAR WAR RANTY A. Cel es tron wa rrants th is tel esco pe to be free from de fects in m ate rials an d w orkmans hip f or tw o ye ars. Cele stro n will repa ir or repl ace such pr oduc t or par t the reo f which, upo n ins pect ion by Cele stron, is found to be def ectiv e in mate rials or workmans hip .
Celes tron 2835 C olumbia Stre et Torra nce, C A 90503 Tel. ( 310) 328- 9560 Fax. ( 310) 212-5835 Web site a t http//www.c elestron.com Copy right 2003 C elest ron All rights reserved. (Products or instr uctions m ay change without notice or obligatio n.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Celestron 93507 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Celestron 93507 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Celestron 93507 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Celestron 93507 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Celestron 93507, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Celestron 93507.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Celestron 93507. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Celestron 93507 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
