User Manual
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... the OTA, near the Sun. Retain this screw for future use a Meade® LX850 Telescope to the travel limit is shipped from shock damage. Looking at or near the Crayford Focuser, and is on the back cell of red paint. Travel Screw: The LX850 f/8 ACF optical tube assembly (OTA) is reached. Failure in removal can result in a fixed...
... the OTA, near the Sun. Retain this screw for future use a Meade® LX850 Telescope to the travel limit is shipped from shock damage. Looking at or near the Crayford Focuser, and is on the back cell of red paint. Travel Screw: The LX850 f/8 ACF optical tube assembly (OTA) is reached. Failure in removal can result in a fixed...
User Manual
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... Customer Service 46 Specifications 47 Appendix A: Manual Drift Alignment 49 Appendix B: StarLock Utility 50 Appendix C: Automatic Rate Calibration (ARC 53 Appendix D: Latitude Chart 54 Appendix E: Advanced Coma-Free Optical System 55 Appendix F: Initial Set-up Guide 56 Recycling: How to Drift Align LX850 42 Download the Latest Version of Meade Instruments Corp. Protected by U.S. CONTENTS Introduction The LX850 Telescope 5 Telescope...
... Customer Service 46 Specifications 47 Appendix A: Manual Drift Alignment 49 Appendix B: StarLock Utility 50 Appendix C: Automatic Rate Calibration (ARC 53 Appendix D: Latitude Chart 54 Appendix E: Advanced Coma-Free Optical System 55 Appendix F: Initial Set-up Guide 56 Recycling: How to Drift Align LX850 42 Download the Latest Version of Meade Instruments Corp. Protected by U.S. CONTENTS Introduction The LX850 Telescope 5 Telescope...
User Manual
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...manual and read about all you observe and image. Drawing on over 40 years of time possible. We have provided a Getting Started Guide...use your first experience, please sit down with this telescope system. Just set up and running in the shortest amount of experience and innovation, Meade Instruments introduces the latest in astrophotographic and visual performance: • Fast f/8 Advanced Coma-Free (ACF) optical systems on the 10", 12" and 14" OTAs. You'll find that the LX850... refractor with 3" Crayford-style 10:1 focuser. Introduction INTRODUCTION The LX850 Telescope Advanced...
...manual and read about all you observe and image. Drawing on over 40 years of time possible. We have provided a Getting Started Guide...use your first experience, please sit down with this telescope system. Just set up and running in the shortest amount of experience and innovation, Meade Instruments introduces the latest in astrophotographic and visual performance: • Fast f/8 Advanced Coma-Free (ACF) optical systems on the 10", 12" and 14" OTAs. You'll find that the LX850... refractor with 3" Crayford-style 10:1 focuser. Introduction INTRODUCTION The LX850 Telescope Advanced...
User Manual
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... setup right next to a building or a wall that will allow the counterweight shaft to clear the tripod if used at low latitudes. set up the scope away from the shipping carton. This will obstruct its view of the tools necessary to assemble your ability to become familiar with the parts ... position. Grasp two of the tripod legs and, with the full weight of these aside. Setup the telescope in this carton is best to set these tools will spoil your night vision and impede your LX850 telescope will need a 3/16" hex head wrench (included) to relocate the mounting rails on both...
... setup right next to a building or a wall that will allow the counterweight shaft to clear the tripod if used at low latitudes. set up the scope away from the shipping carton. This will obstruct its view of the tools necessary to assemble your ability to become familiar with the parts ... position. Grasp two of the tripod legs and, with the full weight of these aside. Setup the telescope in this carton is best to set these tools will spoil your night vision and impede your LX850 telescope will need a 3/16" hex head wrench (included) to relocate the mounting rails on both...
User Manual
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...Meade optical tube assembly (OTA), additional counterweights may have been attached. Removing the safety nut at the factory for detailed counterweight instructions. If the LX850 mount was purchased with the OTA. Note: the StarLock cable has been installed... also be threaded through the internal raceway. Note: 12" and 14" f/8 ACF models please refer to your corresponding latitude. Fig 14: Remove left saddle fastener revealed.... connected to lighten the counterweight shaft and make it and set aside. Fig 13: Attach Counterweight. Tighten the Attitude Adjustment Lock Knob...
...Meade optical tube assembly (OTA), additional counterweights may have been attached. Removing the safety nut at the factory for detailed counterweight instructions. If the LX850 mount was purchased with the OTA. Note: the StarLock cable has been installed... also be threaded through the internal raceway. Note: 12" and 14" f/8 ACF models please refer to your corresponding latitude. Fig 14: Remove left saddle fastener revealed.... connected to lighten the counterweight shaft and make it and set aside. Fig 13: Attach Counterweight. Tighten the Attitude Adjustment Lock Knob...
User Manual
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...At this point you will need to focus the OTA. Loosen the two knurled set -screw knobs. Insert the StarLock sixpin connector into the saddle plate NOTE: Remove...Fig 22: Replace the saddle plate Note Rail to attach Telescope Control Module Fig 20: Connecting motor to receive a standard Losmandy®-style dovetail. Attach the Optical Tube Assembly (OTA) ...Using the cable pull tool feed the cable through , insert and secure the connector to the Crayford focusing mechanism. 17 Once it has been fed through the raceway, watch for orientating the dovetail rail and its location. Meade LX850...
...At this point you will need to focus the OTA. Loosen the two knurled set -screw knobs. Insert the StarLock sixpin connector into the saddle plate NOTE: Remove...Fig 22: Replace the saddle plate Note Rail to attach Telescope Control Module Fig 20: Connecting motor to receive a standard Losmandy®-style dovetail. Attach the Optical Tube Assembly (OTA) ...Using the cable pull tool feed the cable through , insert and secure the connector to the Crayford focusing mechanism. 17 Once it has been fed through the raceway, watch for orientating the dovetail rail and its location. Meade LX850...
User Manual
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.... Locate and unpack the StarLock assembly. Make sure the correct angled side is used on both sides of the dovetail receiver rails (Page 9, Fig. 5). • OTAs with the narrowest set of mounting points. NOTE: Before...telescope was shipped with a Vixen®-style dovetail: All Meade LX850 refractors utilize a standard Vixen®-style dovetail plate. Attach StarLock Assembly StarLock's default mounting location is facing inward as it minimizes Fig 25: StarLock mounted on ACF OTA any differential flexure. Due to the Fig 24: Diagonal and eyepiece in place detailed instructions...
.... Locate and unpack the StarLock assembly. Make sure the correct angled side is used on both sides of the dovetail receiver rails (Page 9, Fig. 5). • OTAs with the narrowest set of mounting points. NOTE: Before...telescope was shipped with a Vixen®-style dovetail: All Meade LX850 refractors utilize a standard Vixen®-style dovetail plate. Attach StarLock Assembly StarLock's default mounting location is facing inward as it minimizes Fig 25: StarLock mounted on ACF OTA any differential flexure. Due to the Fig 24: Diagonal and eyepiece in place detailed instructions...
User Manual
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...LX850 ACF OTA. Locate the included rectangular counterweight, loosen its mounting assembly on the control module. Use the counterweight when StarLock is roughly centered in the middle of the bracket. 2 . Tighten the thumbscrews to a firm feel only. Balancing the telescope...the OTA The Meade OTAs sold with the LX850 are equipped with the telescope (cameras, guide scopes, etc.)....assembly, tighten the two thumbscrews (Page 7, Fig. 1, #2) to securely retain StarLock (Page 8, Fig. 42). To assemble and align the viewfinder, perform steps 1 through 6 below during nighttime use. To install...
...LX850 ACF OTA. Locate the included rectangular counterweight, loosen its mounting assembly on the control module. Use the counterweight when StarLock is roughly centered in the middle of the bracket. 2 . Tighten the thumbscrews to a firm feel only. Balancing the telescope...the OTA The Meade OTAs sold with the LX850 are equipped with the telescope (cameras, guide scopes, etc.)....assembly, tighten the two thumbscrews (Page 7, Fig. 1, #2) to securely retain StarLock (Page 8, Fig. 42). To assemble and align the viewfinder, perform steps 1 through 6 below during nighttime use. To install...
User Manual
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.... Fig 32: Dual speed Crayford focuser Focusing the Telescope Meade Advance Coma-Free (ACF): Note: All LX850 ACF optical tube assemblies ship from our factory with dual speeds (7:1 ratio). These optical tubes are equipped with an internal Crayford-style, zero image shift primary ...into the diagonal mirror on both axes (See the section " BALANCING THE TELESCOPE" BEFORE performing this alignment on the object you have not already done so, insert the Meade eyepiece into clear focus. 5. For precise focus use the smaller fine focus knob for a primary mirror lock and prevents image ...
.... Fig 32: Dual speed Crayford focuser Focusing the Telescope Meade Advance Coma-Free (ACF): Note: All LX850 ACF optical tube assemblies ship from our factory with dual speeds (7:1 ratio). These optical tubes are equipped with an internal Crayford-style, zero image shift primary ...into the diagonal mirror on both axes (See the section " BALANCING THE TELESCOPE" BEFORE performing this alignment on the object you have not already done so, insert the Meade eyepiece into clear focus. 5. For precise focus use the smaller fine focus knob for a primary mirror lock and prevents image ...
User Manual
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... the "Named" option. 4. "Press 0 to abort the Alignment). 8. Press 0. 6. The telescope will display, press Enter. Instructions how to the ON position. Press ENTER. Since the mount has used its internal sensors. 7. Your mount has been factory calibrated to sufficient accuracy to provide a reasonable ... After your Eyepiece or Camera using only the mounts latitude and azimuth adjust knobs (Page, Fig. 1, #17 and #34). Syncing your initial alignment, you wish to realign the StarLock with signals from the SETUP/TELESCOPE menu. Starlock can update the Home position for this ...
... the "Named" option. 4. "Press 0 to abort the Alignment). 8. Press 0. 6. The telescope will display, press Enter. Instructions how to the ON position. Press ENTER. Since the mount has used its internal sensors. 7. Your mount has been factory calibrated to sufficient accuracy to provide a reasonable ... After your Eyepiece or Camera using only the mounts latitude and azimuth adjust knobs (Page, Fig. 1, #17 and #34). Syncing your initial alignment, you wish to realign the StarLock with signals from the SETUP/TELESCOPE menu. Starlock can update the Home position for this ...
User Manual
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...the darker shadow is the set screw, the defocused star image moves out of light. When slewing has been completed, re-center the star in the ring of light or notice which part of the optical system: Meade ACF Models ONLY a. If the dark...support. Turn the set screws. Press the GOTO key to the temperature of your telescope's optical system is now off in the Utilities menus that star. 5. f. When you found with ) the diffraction rings, your observation site before proceeding; The only adjustments possible, or necessary, on the Advanced Coma-Free LX850 telescope models...
...the darker shadow is the set screw, the defocused star image moves out of light. When slewing has been completed, re-center the star in the ring of light or notice which part of the optical system: Meade ACF Models ONLY a. If the dark...support. Turn the set screws. Press the GOTO key to the temperature of your telescope's optical system is now off in the Utilities menus that star. 5. f. When you found with ) the diffraction rings, your observation site before proceeding; The only adjustments possible, or necessary, on the Advanced Coma-Free LX850 telescope models...
User Manual
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... Your LX850 Telescope incorporates ...assembly, between observing sessions. h. i. The star point should appear as an observatory with this key, you may find the new adjustment screw. Calibrate Home After a precise polar alignment (drift alignment) you can use the default park position when parking their telescope, some users select a bright star from the Setup: Telescope...Set Different Guide Speeds Key to select this function to aid in the home position, for guiding or HPP centering). • Solid StarLock has located and locked onto a guide star. 25 Below is a guide...
... Your LX850 Telescope incorporates ...assembly, between observing sessions. h. i. The star point should appear as an observatory with this key, you may find the new adjustment screw. Calibrate Home After a precise polar alignment (drift alignment) you can use the default park position when parking their telescope, some users select a bright star from the Setup: Telescope...Set Different Guide Speeds Key to select this function to aid in the home position, for guiding or HPP centering). • Solid StarLock has located and locked onto a guide star. 25 Below is a guide...
User Manual
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... performance from StarLocked telescopes requires that the guiding aggressiveness be square to the Saddle Plate. See page 43 for StarLock as the scope moves about the sky. Additionally, you need to track down what is normally attached to the saddle plate of the LX850 Telescope System. Meade's LX850 OTAs have successfully aligned the telescope. If you are...
... performance from StarLocked telescopes requires that the guiding aggressiveness be square to the Saddle Plate. See page 43 for StarLock as the scope moves about the sky. Additionally, you need to track down what is normally attached to the saddle plate of the LX850 Telescope System. Meade's LX850 OTAs have successfully aligned the telescope. If you are...
User Manual
Page 31
...dates by entering a new date into the "Setup: Date" menu. The Event database includes: Sunrise, Sun Transit, and Sunset: Calculate the time of Sun rise, Sun transit, or Sun set times for objects with the naked eye. Find rise and set on upcoming meteor showers, such as the second..., will display the results of astronomical events. After the telescope has been properly aligned, use the Arrow keys to scan the night sky and start exploring. Also lists the dates of specific interest that object. Then follow this menu. 2. Use the Scroll Up and Down keys to dates and times...
...dates by entering a new date into the "Setup: Date" menu. The Event database includes: Sunrise, Sun Transit, and Sunset: Calculate the time of Sun rise, Sun transit, or Sun set times for objects with the naked eye. Find rise and set on upcoming meteor showers, such as the second..., will display the results of astronomical events. After the telescope has been properly aligned, use the Arrow keys to scan the night sky and start exploring. Also lists the dates of specific interest that object. Then follow this menu. 2. Use the Scroll Up and Down keys to dates and times...
User Manual
Page 33
... Using a hex head wrench, make adjustments to the dovetail so the star is orthogonal to the LX850 telescope mount. The telescope remembers its alignment and you power off the telescope. Note that Meade LX850 ACF optical tube assemblies have centered them, the telescope will only move the telescope ... Setup menu, including: Align: Lets you choose a method of alignment. • Easy • One Star • Two Star • Align on Home • Drift Align Telescope: Accesses several options, including: • Telescope Model: Allows you to select the type of OTA mounted on LX850...
... Using a hex head wrench, make adjustments to the dovetail so the star is orthogonal to the LX850 telescope mount. The telescope remembers its alignment and you power off the telescope. Note that Meade LX850 ACF optical tube assemblies have centered them, the telescope will only move the telescope ... Setup menu, including: Align: Lets you choose a method of alignment. • Easy • One Star • Two Star • Align on Home • Drift Align Telescope: Accesses several options, including: • Telescope Model: Allows you to select the type of OTA mounted on LX850...
User Manual
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...guiding the telescope during alignment. See the Meade Telescope Protocol Specifications for Autostar II to 999.999. See EVENT MENU, page 35. Looking at approximately twice the tracking rate. • Guiding Rate: Allows you wish to Sync." The value should be set based on that part...hour mode (military time). This function may be set to perform periodic error correction on the RA drive. • High ...telescope manually (turns off or on , when looking for a day three months in the eyepiece, then press ENTER. Time may be moving at or near the sun will be useful...
...guiding the telescope during alignment. See the Meade Telescope Protocol Specifications for Autostar II to 999.999. See EVENT MENU, page 35. Looking at approximately twice the tracking rate. • Guiding Rate: Allows you wish to Sync." The value should be set based on that part...hour mode (military time). This function may be set to perform periodic error correction on the RA drive. • High ...telescope manually (turns off or on , when looking for a day three months in the eyepiece, then press ENTER. Time may be moving at or near the sun will be useful...
User Manual
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...This step is also optional. Autostar II then prompts you to the object. Press GO TO and the telescope slews to enter the magnitude of the telescope to the database. Using AutoStar to Find Objects Not in the "User: Objects" option of the Object menu and allows automatic slewing... for astronomy books, CD ROMs, or magazines (such as Sky & Telescope or Astronomy), to the next display. Autostar II then prompts you to find coordinates of a library. Use the Number keys to view objects that are not part of celestial objects. With "User Object: Add" displayed, press the...
...This step is also optional. Autostar II then prompts you to the object. Press GO TO and the telescope slews to enter the magnitude of the telescope to the database. Using AutoStar to Find Objects Not in the "User: Objects" option of the Object menu and allows automatic slewing... for astronomy books, CD ROMs, or magazines (such as Sky & Telescope or Astronomy), to the next display. Autostar II then prompts you to find coordinates of a library. Use the Number keys to view objects that are not part of celestial objects. With "User Object: Add" displayed, press the...
User Manual
Page 39
...option allows you to enter this procedure, you will choose an object from the User Object list and GO TO the object. 1. Set the telescope in AutoStar's memory. 1. "Setup: Targets" displays again. once. Press ENTER. 5. Press ENTER. 3. The name of your object. Make sure AutoStar has been.... Choose "Terrestrial" and press ENTER - Advanced AutoStar II Features become part of the Object menu: 1. "User Object: Select" displays. "Name" displays on the top line and a blinking cursor on the second line. Use the Number keys to enter the name of your own permanent database, called...
...option allows you to enter this procedure, you will choose an object from the User Object list and GO TO the object. 1. Set the telescope in AutoStar's memory. 1. "Setup: Targets" displays again. once. Press ENTER. 5. Press ENTER. 3. The name of your object. Make sure AutoStar has been.... Choose "Terrestrial" and press ENTER - Advanced AutoStar II Features become part of the Object menu: 1. "User Object: Select" displays. "Name" displays on the top line and a blinking cursor on the second line. Use the Number keys to enter the name of your own permanent database, called...
User Manual
Page 42
... AutoStar will guide you through a quick Automatic drift alignment procedure. In other words, the telescope is fully aligned according to the control panel. 2. In the Autostar Setup menu, select "Drift Alignment" and the LX850 will then display how far the telescope's alignment is... Drift Align LX850 (Northern Hemisphere) The LX850 with a second star. 7. Next, the LX850 will then slew to center that it has completed its slew. AdvanAcuetdoSAtuatro#St4a9r7IIHFAeNatDuBrOesX Alternate Polar Alignments If you would rather set -up your telescope without using the manual controls to the...
... AutoStar will guide you through a quick Automatic drift alignment procedure. In other words, the telescope is fully aligned according to the control panel. 2. In the Autostar Setup menu, select "Drift Alignment" and the LX850 will then display how far the telescope's alignment is... Drift Align LX850 (Northern Hemisphere) The LX850 with a second star. 7. Next, the LX850 will then slew to center that it has completed its slew. AdvanAcuetdoSAtuatro#St4a9r7IIHFAeNatDuBrOesX Alternate Polar Alignments If you would rather set -up your telescope without using the manual controls to the...
User Manual
Page 43
... instructions. 4. Scroll through the options until "RA PEC: Update" displays. Update does not overwrite the data, but updates the training using StarLock: 1. Erase Menu Option Select this option. Point the telescope's OTA at a moderately bright star near 0 declination (celestial equator). 43 Once the Autostar Suite software installs, doubleclick the new "Autostar Suite" icon on your telescope. Click the "Upgrade...
... instructions. 4. Scroll through the options until "RA PEC: Update" displays. Update does not overwrite the data, but updates the training using StarLock: 1. Erase Menu Option Select this option. Point the telescope's OTA at a moderately bright star near 0 declination (celestial equator). 43 Once the Autostar Suite software installs, doubleclick the new "Autostar Suite" icon on your telescope. Click the "Upgrade...