8" ULTIMA® 2000INSTRUCTION MANUAL
10To get the telescope to slew, set the SPEED to FINDER using the above procedure. Hold down the Diamond buttoncorresponding to the direction you wan
Appendix B Ultima 2000 Communication Protocol100CommandsThe commands all start with a capital letter indicating the type of request, and then any d
Appendix B Ultima 2000 Communication Protocol101accurization algorithm to the specifiedcoordinates to provide high all-sky pointingaccuracy.PCGOTOC
Appendix C - Technical Specifications102APPENDIX C - TECHNICAL SPECIFICATIONSOptical SpecificationsDesign Schmidt-Cassegrain CatadioptricAperture 8
Appendix C - Technical Specifications103Mechanical SpecificationsAZM Drive System Tracking Motor Slewing Motor3-speed DC-Servo2-Speed DCALT
Appendix C - Technical Specifications104Shipping InformationShipping Dimensions Telescope Box Tripod Box Accessory Box21” x 15” x 30”18” x
Appendix D - Autoguide Pin Out105APPENDIX D - CCD AUTOGUIDE PIN OUTFor long exposure astrophotography, you can use an auto guider to guide the expos
Appendix E - Operational Tips106APPENDIX E - OPERATION TIPSSetting the backlash compensations for an auto guiderHAND CONTROL RESPONSEThe Ultima 2000
Appendix E - Operational Tips107When you place your diagonal in a position (i.e. upright, or to the left 20º, or to the right 45º, etc..) forobservin
Glossary108GLOSSARY16-bit This is the resolution of the software of the Ultima 2000. 16-bit resolution gives 216 discreteintegers for the software to
Glossary109Backlash Dead Zone Gears in telescope have some amount of play. The dead zone refers to the time it takes for thegears to traverse the pla
11Turning Tracking OnTo turn tracking on or off, start at the SETUP menu. The instructions below will start there. Here is how to do it:ACTIONNOTES
Glossary110Field Rotation This is when the star images in a field of view of some device rotate about the center of thefield. This occurs when you ha
Glossary111Resolution The minimum detectable angle an optical system can detect. Because of diffraction, there is alimit to the minimum angle, resolu
112THE SKY MAPSThe sky is dynamic and appears to change from month-to-month, night-to-night, and even hour-to-hour.This is caused by the Earth moving
113
117
CELESTRON ONE YEAR WARRANTYA. Celestron International (CI) warrants this telescope to be free from defects in materials andworkmanship for one year.
12Find PlanetsPress MENU, press ENTER, press the UPor DOWN buttons until the display reads...Scroll though the differentCATALOGSSOLARSYSTEMPress ENTER
Celestron International2835 Columbia StreetTorrance, CA 90503Tel. (310) 328-9560Fax. (310) 212-5835Copyright 1997 Celestron InternationalAll rights
13CHAPTER 3 - ASSEMBLING YOUR ULTIMA 2000The Ultima 2000 is a sophisticated computerized telescope with the GO TO function. The Ultima 2000 can be
14The tripod will now stand by itself. Once the wedge and/or telescope are attached to the tripod, readjust the tension knobto ensure that the leg su
15Attaching the Telescope to the TripodThe telescope is fully assembled and ready to attach directly to a tripod or to an optional equatorial wedge.
16Figure 3-3b: Top view of the tripod head. Place the Ultima 2000 on top of the tripod. Use the open holes to mountthe Ultima 2000 to the tripod.In
17Attaching the Finder to the BracketWith the bracket firmly attached to the telescope, you are ready to attach the finder to the bracket. See Figure
18Focusing the Finderscope and ReticleThe finderscope can be focused by loosening the locking ring, on the front of the finder, then rotate the front
19Attaching the Visual BackThe visual back allows you to attach most visual accessories to the telescope (see Figure 3-7). To attach the visual back:
2WARNINGRemoval of the Optical Tube Assembly, the Fork Tines or theDrive Base will disable precise alignment calibrations and voidthe warranty of the
20 Figure 3-6 Figure 3-7Image will be upside down Image will be right side up but reversedBalancing the TelescopeBalance is a necessity for pro
21 3. Place the two other weights under the sliding counterweight on the bottom of the telescope. The slidingcounterweight has a threaded hole on it
22Adjusting the clutchesThe Ultima 2000 has a dual axis clutching system. A clutching system is a necessity for two reasons. First it isconvenient.
23Azimuth clutchTo change the azimuth clutch tension, place the clutch rod into the RA clutch adjusting ring shown in Figure 3-10. Totighten the clut
24Attaching an Equatorial Wedge to the TripodThe Ultima 2000 attaches to an optional equatorial wedge, 93655, so it can be used for astrophotography o
25Attaching the Ultima 2000 to a WedgeOnce the wedge is firmly attached to the tripod, you are ready to mount the telescope on the wedge. The telesco
264. Close the battery compartment lid and press down until it snaps shut.NOTE: The use of non-alkaline batteries may cause improper functioning of y
27CHAPTER 4 - HAND CONTROL AND DRIVE BASEThe Hand Control allows you to control the telescope and specify various parameters. To use, insert the ba
28The hand control is quite simple. There are 4 buttons for the interface controls, 4 buttons for moving the telescope, and adisplay screen. The int
29MagFindIDENTIFYResetStopStartTIMER MENUSLEWFINDERCENTER2X SDRLPHOTOSPEEDOFFALT AZEQ SOUTHEQ NORTHTRACKSIDEREALKINGSOLARLUNARRATETRAINONOFFPECVOLTSAZ
3TABLE OF CONTENTSCHAPTER 1 - INTRODUCTION...
30Navigating through the MenuThe user interface is basically sets of menus and sub-menus. When you turn the telescope ON, you are in the main menu.Th
31Looking Up a Messier ObjectBUTTON or ACTION NOTES DISPLAYTurn on the telescopeand scroll toMENU CATALOGMENUCATALOGpress ENTER Entered into the CATAL
32Description of each MenuMenu ALIGNThis menu is the first menu to be displayed when the telescope is turned on. There are five sub menus under ALIGN
33Then the display will read,SET FORKTO ZEROThis is your cue to rotate the telescope in azimuth until the two stickers on the drive base line up. The
34definable catalog (NEW), and the PLANETS listed in order by increasing distance from the Sun. When used inconjunction with the GO TO function, the
35Size or separation: (if applicable)Name: AchernarConstellation: EradinusDescription: StarChart(SA or UA): SA=24Once the scroll is finished, the scre
36NS141 The Non-Stellar Catalog (NS)The Non-Stellar Catalog (NS) contains objects not found in either the New General Catalog or the Index Catalog
37Here is the Planetary Catalog under the SOLAR SYSTEM menu.DATE Requires entering the current dateSUN SunMERCURY MercuryVENUS VenusMARS MarsJUPITER J
38Press ENTER The telescope tells you whatconstellation it is pointed at. Seethe Appendix A for abbreviations.2226-249 PSA 946Press ENTER Returns y
39The scroll rate ranges from 0, the slowest, to 9, the fastest. The chart can be changed from SA, Wil Tirion's Sky Atlas2000.0, to UA, the Uran
4SLEWING SPEED SETTING...
40You may have noticed that you cannot get to the SLEW rate. This is because the SLEW option is disabled at the factory.It is disabled as a safety fe
41LUNAR This rate is used for tracking the Moon.PECThis is only used on a telescope that is polar aligned on a wedge. Furthermore, you need to have t
42ALT GEARAltitude Gear Ratio: This works the same as AZM GEAR.AZM BACK - Azimuth Backlash CompensationThere is an enormous gear reduction between th
43CORD - Cord Wrap ControlThis is the cord wrap mode. This keeps the telescope from wrapping the cord around itself. The mode can be ON orOFF. It i
44SCROLLThis mode sets the speed at which information is scrolled across the screen. The range goes from 1 to 9, slowest tofastest.VERSIONThis tells
45MANUAL mode under the skySet up the telescope outside and align it to the night sky. Here is how to activate the tour option.ACTION NOTES DISPLAYSt
46The SLEW setting might not appear as one of the choices. This depends on the SLEW SPEED sub-menu (under SETUP)being set ON or OFF. To make the SLE
47CHAPTER 5 - TELESCOPE BASICSThe Schmidt-Cassegrain SystemA telescope is an instrument that collects and focuses light. The nature of the optical
48Image OrientationIt should be noted that the image orientation will change depending on the viewing configuration. When using the stardiagonal, the
49Figure 5-3The decal on the end of the focus knobshows the correct rotational directionfor focusing your telescope.The primary mirror is mounted on a
5CHAPTER 9 - PHOTOGRAPHY ...
50Daytime ObservingYour Celestron telescope works well as a terrestrial spotting scope. When not used to examine objects in the night sky, itcan be u
51Using the example we started with above, we can determine the field of view using the same 10mm eyepiece. The 10mmeyepiece has an apparent field of
52CHAPTER 6 - ASTRONOMY BASICSThis section deals with observational astronomy in general. It includes information on the night sky, polar alignment
53Motion of the StarsLike the Sun, the stars also appear to move across the sky. This motion is caused by the Earth's rotation. For observers in
54Polar Alignment (with Wedge)In order to do astrophotography, your Ultima 2000 requires an optional equatorial wedge. Ultima 2000’s have built-indri
55Finding the PoleIn each hemisphere, there is a point in the sky around which all the other stars appear to rotate. These points are called theceles
56Latitude ScalesThe easiest way to polar align a telescope is with a latitude scale, which should be located on the wedge. Unlike othermethods that
57Pointing at PolarisThis method uses Polaris as a guidepost to the celestial pole. Since Polaris is less than a degree from the celestial pole,you c
58Declination DriftThis method of polar alignment allows you to get the most accurate alignment on the celestial pole and is required if youwant to do
59will need two optional parts. The first is the illuminator (#60001) which, among other things, illuminates the cross hairsof the finder. The secon
6Altitude ClutchAdjustmentknobCounterweightFinderscopeEyepieceStar DiagonalAltitudeDownstopAzimuth DownstopHand ControlFocus KnobAzimuthClutchAdjustme
60CHAPTER 7 - PROCEDURESThis chapter is basically a list of procedures for operating the Ultima 2000. The procedures are grouped into threesections
61Changing Slewing Speeds (Button Speed ON)Here are some examples of how to change the slewing speeds when BTN SPD is turned ON. The BTN SPD optional
62Press UP Change SPEED to FINDER rate. SPEEDFINDERPress the right Diamond button. The telescope moves at 2 degrees persecond.SPEEDFINDERHold down the
63Determining the Altitude Backlash CompensationAll drive systems using gears have some amount of backlash. For astrophotography or CCD imaging, this
64Press ENTER Enter into the POSITION menu.RA DECPress DOWN Scroll down to the TELESCOPsetting.TELESCOPPress ENTER Relative telescope positions aredis
65AlignmentThere are several different ways to align the Ultima 2000 to the sky. The most popular way is a two star alignment withthe telescope in th
66BUTTON or ACTION NOTES DISPLAYPolar align the telescope using declinationdrift method. (see chapter, Astro Basics)See the Polar Alignment section o
67 In some cases you may want to override this procedure. If so, here is how to use the CHANGE option in the ALIGNmenu. For this example, let’s assu
68Press ENTER Entered into the ALIGN menu andthe message “INITIALIZING”scrolls across followed by the promptto set the azimuth downstop.SET FORKTO ZER
69EARTH - Terrestrial AlignmentThe Ultima 2000 can be used as a spotting scope on terrestrial objects. It is possible to align to objects of interest
7CHAPTER 1 - INTRODUCTIONCongratulations on your purchase of a Celestron Ultima 2000! The Ultima 2000 ushers in a whole new generation ofcomputer a
70Press Menu, Press DOWN 2X, PressENTER.Enter into the CATALOG menu.NEW01Press ENTER, Press ENTER, Press UP. Change to a different NEW object,for this
71Move the telescope to the object youpreviously defined as NEW01. Center it inthe eyepiece.EARTHNEW01Press ENTER, Press ENTER Perform an align opera
72maximum value before 90º then start counting down again. The maximum value is the position you should use for polaraligning. You will also notice
73• Turn the telescope and hand control ON.• Turn Tracking OFF• Set SPEED to CENTER.• Press the right Diamond button until the blinking light chan
74CHAPTER 8 - CELESTIAL OBSERVINGWith your telescope set up, you are ready to use it for observing. This section covers visual observing for both s
75For safe solar viewing, use a Celestron solar filter. This filter reduces the intensity of the Sun's light, making it safe toview. With this
76SeeingSeeing conditions refer to the stability of the atmosphere and directly affects the amount of fine detail seen in extendedobjects. The air in
77CHAPTER 9 - PHOTOGRAPHYNote: All the different types of photography described in this chapter will require the use of an optional wedge for polar
78Figure 9-1With your camera attached to the telescope, you are ready for prime focus photography. Start with an easy object like theMoon. Here&apos
79The exposure times listed in Table 9-1 should be used as a starting point. Always make exposures that are longer andshorter than the recommended ti
8CHAPTER 2 - QUICK SETUPThis section is intended to help the new user get the Ultima 2000 up and running, in the altazimuth configuration,immediatel
80• Konica 3200 (color print) • T-Max 400 (black and white print)\• Fujichrome 1600D (color slide)• 3M 1000 (color slide)As you perfect your tech
815. Wait for the vibration caused by releasing the shutter to diminish. Also, wait for a moment of good seeing.6. Remove the black card from in fr
82Effective f# or f-ratioThe effective f# can be found by this equation:EFEFLDp..#...=where E.F.L. is the effective focal length, Dp is the diameter o
839. Insert an illuminated reticle eyepiece into the radial guider.10. Find a suitable guide star in the telescope field. Do this by rotating the g
84CCD IMAGINGFastar Lens Assembly Option -- Using your Ultima 2000 telescope at f/1.95 with optional PixCelCCD CameraYour Ultima 2000 telescope is equ
85Fastar Lens AssemblyPixCel 237 CCD CameraDescription of F-numbersThe F/# stands for the ratio between the focal length and the diameter of the light
86Fastar ConfigurationsThe following is a brief description of the advantages of imaging at each f-number configuration and theproper equipment needed
87that you may not need to guide the exposure at all. For f/6.3 imagining the optional f/6.3Reducer/Corrector is needed. (see Optional Accessory sect
88Figure 9-7 - Accessory Configurations for Fastar Compatible Telescopes1Optical Tube Assembly12 Pulstar Illuminator2 Secondary Mirror 13 Illuminato
89
9How to Enter into a Menu Item and Return to the Main Menu ListThe blinking letter indicates that the item can be “acted on” by any of the three contr
90CHAPTER 10 - TELESCOPE MAINTENANCEWhile your Ultima 2000 telescope requires little maintenance, there are a few things to remember that willensure
91Figure 10-1 A collimation pattern (left) of a slightly out of focusstar shows concentric rings. An example of an out of collimationsystem (right)
92OPTIONAL ACCESSORIESThe following is a partial list of optional accessories that can be used with your Ultima 2000 telescope:AC Adapter - 110V - 60H
93Eyepieces - Like telescopes, eyepieces come in a variety of designs. And, with the advent of different eyepieces,Celestron also has a variety of de
94Micro Guide Eyepiece(#94171) - This multipurpose illuminated 12.5mm reticle can be used for guiding deep-skyastrophotos, measuring position angles,
95Solar Filter (#94162) - The Celestron Solar Skreen® solar filter permits direct observation of the Sun in completesafety. This filter, which transm
Appendix A Data Base Star Information96APPENDIX A - DATA BASE STAR INFORMATIONAlignment Star ListName Greek Constellation h m s deg min sec V Typ
Appendix A Data Base Star Information97Constellation AbbreviationsAbbreviation Constellation Abbreviation Constellation Abbreviation ConstellationA
Appendix A Data Base Star Information98List of Named Object CatalogHere is the list of all the objects under the NAMED OBJECTS menu.Display Common
Appendix B Ultima 2000 Communication Protocol99APPENDIX B - ULTIMA 2000 COMMUNICATIONPROTOCOLYou can control the Ultima 2000 telescope with a PC.
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