AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 1
ENGLISH AstroMaster Series Telescopes INSTRUCTION MANUAL ● AstroMaster 70 EQ # 21062 ●AstroMaster 76 EQ # 31035 ● AstroMaster 114 EQ # 31042
ENGLISH AstroMaster Series Telescopes INSTRUCTION MANUAL ● AstroMaster 70 EQ # 21062 ●AstroMaster 76 EQ # 31035 ● AstroMaster 114 EQ # 31042
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 2
...Attaching the Slow Motion Cables 8 Attaching the Telescope Tube to the Mount 8 Installing the Diagonal & Eyepiece (refractor 9 Installing the Eyepiece on the Newtonians 9 Moving the Telescope Manually 10 Balancing the Mount in R.A...10 ... in Dec...10 Adjusting the Equatorial Mount 11 Adjusting the Mount in Altitude 11 TELESCOPE BASICS ...12 Image Orientation ...13 Focusing...13 Aligning the Finderscope...13 Calculating Magnification ...Sky Objects 25 Terrestrial Photography ...25 TELESCOPE MAINTENANCE 26 Care and Cleaning of the Optics 26 Collimation of a Newtonian...26 OPTIONAL ...
...Attaching the Slow Motion Cables 8 Attaching the Telescope Tube to the Mount 8 Installing the Diagonal & Eyepiece (refractor 9 Installing the Eyepiece on the Newtonians 9 Moving the Telescope Manually 10 Balancing the Mount in R.A...10 ... in Dec...10 Adjusting the Equatorial Mount 11 Adjusting the Mount in Altitude 11 TELESCOPE BASICS ...12 Image Orientation ...13 Focusing...13 Aligning the Finderscope...13 Calculating Magnification ...Sky Objects 25 Terrestrial Photography ...25 TELESCOPE MAINTENANCE 26 Care and Cleaning of the Optics 26 Collimation of a Newtonian...26 OPTIONAL ...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 3
... pleasurable as astronomically with ample optical performance to excite any surface. Your telescope is made of the AstroMaster include: • All coated glass optical elements for the First Time Buyer offering exceptional value. Warning Never look directly at www.celestron.com Some of the many standard features of the highest quality materials...
... pleasurable as astronomically with ample optical performance to excite any surface. Your telescope is made of the AstroMaster include: • All coated glass optical elements for the First Time Buyer offering exceptional value. Warning Never look directly at www.celestron.com Some of the many standard features of the highest quality materials...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 4
16 15 14 13 12 1 2 3 7 8 9 4 5 6 11 10 Figure 1-1 AstroMaster 70 EQ Refractor 1. Telescope Optical Tube 2. Dovetail Mounting Bracket 3. R.A. Star Pointer Finderscope 5. Slow Motion Cable 8. Slow Motion Cable 9. Tripod Accessory Tray 11. Setting Circle 16. Dec. Equatorial Mount 15. Focus Knob 7. Counterweight Bar 13. Counterweights 14. Latitude Adjustment Screw 10. Objective Lens 4 Eyepiece 6. R.A. Setting Circle 4. Tripod 12. Dec.
16 15 14 13 12 1 2 3 7 8 9 4 5 6 11 10 Figure 1-1 AstroMaster 70 EQ Refractor 1. Telescope Optical Tube 2. Dovetail Mounting Bracket 3. R.A. Star Pointer Finderscope 5. Slow Motion Cable 8. Slow Motion Cable 9. Tripod Accessory Tray 11. Setting Circle 16. Dec. Equatorial Mount 15. Focus Knob 7. Counterweight Bar 13. Counterweights 14. Latitude Adjustment Screw 10. Objective Lens 4 Eyepiece 6. R.A. Setting Circle 4. Tripod 12. Dec.
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 5
Latitude Adjustment Screw 8. Dec. Telescope Optical Tube 4. Dec. R.A. Tube Ring (not on 76 EQ) 3. Slow Motion Cable 6. Tripod Accessory Tray 9. Equatorial Mount 13. Eyepiece 2. Setting Circle 12. Setting Circle 14. R.A. Slow Motion Cable 7. Focus Knob 5 14 13 12 11 10 9 1 2 3 4 5 6 7 8 Figure 1-2 AstroMaster 114 EQ Newtonian (AstroMaster 76 EQ Newtonian Similar) 1. Primary Mirror 5. Tripod 10. Counterweights 11.
Latitude Adjustment Screw 8. Dec. Telescope Optical Tube 4. Dec. R.A. Tube Ring (not on 76 EQ) 3. Slow Motion Cable 6. Tripod Accessory Tray 9. Equatorial Mount 13. Eyepiece 2. Setting Circle 12. Setting Circle 14. R.A. Slow Motion Cable 7. Focus Knob 5 14 13 12 11 10 9 1 2 3 4 5 6 7 8 Figure 1-2 AstroMaster 114 EQ Newtonian (AstroMaster 76 EQ Newtonian Similar) 1. Primary Mirror 5. Tripod 10. Counterweights 11.
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 6
...Figure 2-3 Figure 2-4 5. Rotate the tray until each leg (Figure 2-7) and pull the legs out to the height you desire. Your telescope should appear as in the center of the tray (flat side of Figure 2-2). 4. The tripod comes preassembled so that it outdoor. You ... fully extended the tripod looks like the image in one box. This section covers the assembly instructions for your AstroMaster telescope. Figure 2-5 Figure 2-6 6 Figure 2-7 Figure 2-8 Each AstroMaster comes in Figure 2-8. 7. Stand the tripod upright and pull the tripod legs apart until the ears are -
...Figure 2-3 Figure 2-4 5. Rotate the tray until each leg (Figure 2-7) and pull the legs out to the height you desire. Your telescope should appear as in the center of the tray (flat side of Figure 2-2). 4. The tripod comes preassembled so that it outdoor. You ... fully extended the tripod looks like the image in one box. This section covers the assembly instructions for your AstroMaster telescope. Figure 2-5 Figure 2-6 6 Figure 2-7 Figure 2-8 Each AstroMaster comes in Figure 2-8. 7. Stand the tripod upright and pull the tripod legs apart until the ears are -
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 7
... to the tripod is shown in Figure 2-11. Figure 2-9 Figure 2-10 Installing the Counterweight Bar & Counterweights Figure 2-11 To properly balance the telescope, the mount comes with a small tube sticking out) into the threaded hole in Figure 2-14. 6. The correct orientation of the weights is... tight. Figure 2-12 Figure 2-13 7 Figure 2-14 The AstroMaster mount is tight. see Figure 2-13 until it counterclockwise - Slide one of the counterweights onto the counterweight bar about half way up against ...
... to the tripod is shown in Figure 2-11. Figure 2-9 Figure 2-10 Installing the Counterweight Bar & Counterweights Figure 2-11 To properly balance the telescope, the mount comes with a small tube sticking out) into the threaded hole in Figure 2-14. 6. The correct orientation of the weights is... tight. Figure 2-12 Figure 2-13 7 Figure 2-14 The AstroMaster mount is tight. see Figure 2-13 until it counterclockwise - Slide one of the counterweights onto the counterweight bar about half way up against ...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 8
... the bracket which shaft you use since both R.A. To mount the telescope tube: 1. The shaft that the mount does not move suddenly while attaching the telescope optical tube. Attaching the Slow Motion Cables The AstroMaster mount comes with two slow motion control cables that allow you to... make fine pointing adjustments to the telescope in place. 4. You will have to remove the tube...
... the bracket which shaft you use since both R.A. To mount the telescope tube: 1. The shaft that the mount does not move suddenly while attaching the telescope optical tube. Attaching the Slow Motion Cables The AstroMaster mount comes with two slow motion control cables that allow you to... make fine pointing adjustments to the telescope in place. 4. You will have to remove the tube...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 11
...screws and manually push the front of the mount down as far as polar alignment. It is achieved NOT by moving the telescope in the section on the AstroMaster mount has a range from approximately 20° to 60°. To do this manual in R.A. Adjusting the Mount in ... rear adjustment screw to raise the mount to raise the mount). see Figure 2-24. • To increase or decrease the latitude of the telescope during the polar alignment process. using the rear latitude adjustment screw to the desired latitude. Latitude Adjustment Screw (Locking Bolt) Figure 2-24 11...
...screws and manually push the front of the mount down as far as polar alignment. It is achieved NOT by moving the telescope in the section on the AstroMaster mount has a range from approximately 20° to 60°. To do this manual in R.A. Adjusting the Mount in ... rear adjustment screw to raise the mount to raise the mount). see Figure 2-24. • To increase or decrease the latitude of the telescope during the polar alignment process. using the rear latitude adjustment screw to the desired latitude. Latitude Adjustment Screw (Locking Bolt) Figure 2-24 11...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 13
...AstroMaster Newtonians, the image is correctly oriented. Reversed from left -to see Figures 1-1 and 1-2). Turning the knob clockwise allows you should always wear corrective lenses to ensure the sharpest possible focus. While keeping both eyes open when looking through the Star Pointer, simply move your telescope...alignment procedure is powered by using a Star Diagonal on an object that you are currently observing. However, when using the AstroMaster refractor and the standard erect image diagonal, the image is not a laser beam and will appear rotated based on an ...
...AstroMaster Newtonians, the image is correctly oriented. Reversed from left -to see Figures 1-1 and 1-2). Turning the knob clockwise allows you should always wear corrective lenses to ensure the sharpest possible focus. While keeping both eyes open when looking through the Star Pointer, simply move your telescope...alignment procedure is powered by using a Star Diagonal on an object that you are currently observing. However, when using the AstroMaster refractor and the standard erect image diagonal, the image is not a laser beam and will appear rotated based on an ...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 14
... on . It was designed to the highest useful magnification. Dividing 900 by the focal length of your telescope (the AstroMaster 70 EQ for your telescope the same way. 14 Although this : Magnification = Focal Length of Telescope (mm Focal Length of 168 power. If the Star Pointer is that came with your...a 3-volt lithium type # CR 1620. Note: Your battery may be too bright for every inch of 20 to 35 power for the AstroMaster 70 EQ telescope. Put the battery in all locations where it can determine the magnification for this example has a focal length of 900mm) by 20 yields a...
... on . It was designed to the highest useful magnification. Dividing 900 by the focal length of your telescope (the AstroMaster 70 EQ for your telescope the same way. 14 Although this : Magnification = Focal Length of Telescope (mm Focal Length of 168 power. If the Star Pointer is that came with your...a 3-volt lithium type # CR 1620. Note: Your battery may be too bright for every inch of 20 to 35 power for the AstroMaster 70 EQ telescope. Put the battery in all locations where it can determine the magnification for this example has a focal length of 900mm) by 20 yields a...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 15
... an actual (true) field of 50°. General Observing Hints When working with an eyepiece attached to the telescope. The amount of detail seen under these conditions is greatly reduced. If you wear corrective lenses (... difficult to focus when viewing terrestrially. In most cases you will affect the ability to focus your telescope. Determining Field of View Determining the field of view is important if you want to remove them ...corrective lenses to feet at all times. 15 Continuing with the AstroMaster 70 EQ telescope. To convert degrees to ensure the sharpest possible focus.
... an actual (true) field of 50°. General Observing Hints When working with an eyepiece attached to the telescope. The amount of detail seen under these conditions is greatly reduced. If you wear corrective lenses (... difficult to focus when viewing terrestrially. In most cases you will affect the ability to focus your telescope. Determining Field of View Determining the field of view is important if you want to remove them ...corrective lenses to feet at all times. 15 Continuing with the AstroMaster 70 EQ telescope. To convert degrees to ensure the sharpest possible focus.
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 17
... horizon to the celestial pole is with a latitude scale. This method can be done in daylight, thus eliminating the need to your telescope: 1. The AstroMaster CG-2 mount can be adjusted from the northern horizon to the north celestial pole is now 89° above the northern (or southern...axis should be directly overhead (i.e., 90 above the horizon). For specific information on the pole, it , this method works off of the telescope at the right elevation above the northern horizon. Make sure the polar axis of 34°, then the celestial pole is to point the...
... horizon to the celestial pole is with a latitude scale. This method can be done in daylight, thus eliminating the need to your telescope: 1. The AstroMaster CG-2 mount can be adjusted from the northern horizon to the north celestial pole is now 89° above the northern (or southern...axis should be directly overhead (i.e., 90 above the horizon). For specific information on the pole, it , this method works off of the telescope at the right elevation above the northern horizon. Make sure the polar axis of 34°, then the celestial pole is to point the...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 22
...declination. Make sure that allows the motor drive to 40 hours, depending on and let the telescope track for up to track at a faster or slower speed. You should be necessary to... hole on the flexible motor coupler is sold as an optional accessory (Model # 93514) for the AstroMaster equatorial mount. Slide the open end of the Motor Drive - Then, tighten the bolt with a... speed rate regulator (in the eyepiece for long periods of celestial objects, Celestron offers a single axis DC motor drive for other models. This is powered by moving the weights...
...declination. Make sure that allows the motor drive to 40 hours, depending on and let the telescope track for up to track at a faster or slower speed. You should be necessary to... hole on the flexible motor coupler is sold as an optional accessory (Model # 93514) for the AstroMaster equatorial mount. Slide the open end of the Motor Drive - Then, tighten the bolt with a... speed rate regulator (in the eyepiece for long periods of celestial objects, Celestron offers a single axis DC motor drive for other models. This is powered by moving the weights...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 25
...the subject matter. The adapter allows the camera to fit this page. 25 you may want to try your camera to the telescope with your telescope for your camera to the piggyback adapter screw (Figure 6-1) located on the bottom to be obtained from a dark sky observing ...few short years ago. Much information can be mounted rigidly for terrestrial (land) photography. Celestron offers the NexImage (# 93712) which makes taking images of deep sky images. The AstroMaster series of telescopes was designed for image processing. After looking at photography of it. Attach your hand at...
...the subject matter. The adapter allows the camera to fit this page. 25 you may want to try your camera to the telescope with your telescope for your camera to the piggyback adapter screw (Figure 6-1) located on the bottom to be obtained from a dark sky observing ...few short years ago. Much information can be mounted rigidly for terrestrial (land) photography. Celestron offers the NexImage (# 93712) which makes taking images of deep sky images. The AstroMaster series of telescopes was designed for image processing. After looking at photography of it. Attach your hand at...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 29
... lights. Digital Camera Adapter - T-Adapter - A single axis (R.A.) motor drive for the AstroMaster telescopes compensates for complete descriptions and all accessories available. Visit the Celestron website or the Celestron Accessory Catalog for the earth's rotation keeping an object in 1.25" barrels. Sky Maps ...(# 94119-A) - Operates on the lunar surface. The collimation eyepiece is an economical 1.25" eyepiece filter for your AstroMaster telescope will find that increases the focal length of the manual slow motion controls. 29 This makes observing much more enjoyable and...
... lights. Digital Camera Adapter - T-Adapter - A single axis (R.A.) motor drive for the AstroMaster telescopes compensates for complete descriptions and all accessories available. Visit the Celestron website or the Celestron Accessory Catalog for the earth's rotation keeping an object in 1.25" barrels. Sky Maps ...(# 94119-A) - Operates on the lunar surface. The collimation eyepiece is an economical 1.25" eyepiece filter for your AstroMaster telescope will find that increases the focal length of the manual slow motion controls. 29 This makes observing much more enjoyable and...
AstroMaster Manual (70EQ, 76EQ, 114EQ)
Page 30
Dia. - Dawes Limit " " Light Gathering Power Optical Tube Length Telescope Weight 21062 AM 70 EQ 31035 AM 76 EQ 31042 AM 114 EQ Refractor 70mm (2.8") 900mm f/13 n/a Fully Coated Star Pointer Erect Image ... (8.2kg) 16 lbs. (7.3kg) 17 lbs. (7.7kg) Note: Specifications are subject to change without notice or obligation 30 Raleigh (arc seconds) Resolution -- AstroMaster Specifications AstroMaster Specifications Optical Design Aperture Focal Length Focal Ratio Secondary Mirror Obstruction -- Area Optical Coatings Finderscope Diagonal 1.25" Eyepieces 1.25" Apparent FOV - 20mm at 50°...
Dia. - Dawes Limit " " Light Gathering Power Optical Tube Length Telescope Weight 21062 AM 70 EQ 31035 AM 76 EQ 31042 AM 114 EQ Refractor 70mm (2.8") 900mm f/13 n/a Fully Coated Star Pointer Erect Image ... (8.2kg) 16 lbs. (7.3kg) 17 lbs. (7.7kg) Note: Specifications are subject to change without notice or obligation 30 Raleigh (arc seconds) Resolution -- AstroMaster Specifications AstroMaster Specifications Optical Design Aperture Focal Length Focal Ratio Secondary Mirror Obstruction -- Area Optical Coatings Finderscope Diagonal 1.25" Eyepieces 1.25" Apparent FOV - 20mm at 50°...
Quick Setup Guide for AstroMaster 76EQ, 114EQ and 130EQ
Page 1
...spread the legs outward until the screw is touching the inside of the tripod mounting platform. To set -up guide for the telescope. 7 To attach the accessory tray, line up notches and turn clockwise until tray tabs lock into place with the tripod brackets... of the equatorial mount. AstroMaster 130EQ-MD Questions or Problems with Set-up Guide 1 2 3 Your AstroMaster 76EQ/114EQ/130EQ includes: optical tube w/ built-on the bottom of the three tripod legs down 6-12". AstroMaster 130EQ Model #31051 - AstroMaster 76EQ Model #31042 - CONTACT: Celestron Technical Support: 310.803....
...spread the legs outward until the screw is touching the inside of the tripod mounting platform. To set -up guide for the telescope. 7 To attach the accessory tray, line up notches and turn clockwise until tray tabs lock into place with the tripod brackets... of the equatorial mount. AstroMaster 130EQ-MD Questions or Problems with Set-up Guide 1 2 3 Your AstroMaster 76EQ/114EQ/130EQ includes: optical tube w/ built-on the bottom of the three tripod legs down 6-12". AstroMaster 130EQ Model #31051 - AstroMaster 76EQ Model #31042 - CONTACT: Celestron Technical Support: 310.803....
Quick Setup Guide for AstroMaster 76EQ, 114EQ and 130EQ
Page 2
... screw. 16 17 18 battery cover battery Loosen the set screw. Replace safety screw. 14 Slide the chrome end of the telescope before you AstroMaster telescope. For added security tighten the angled lock down screw next to secure in place. Insert the chrome barrel of the 20mm eyepiece... slow motion control cable onto declination axis gear shaft. 15 The other cable attaches to view the sun through any telescope without proper filtering! Place the telescope tube on /off finderscope when not in the mount and tighten fastening screw. Remove the lens cap from the end...
... screw. 16 17 18 battery cover battery Loosen the set screw. Replace safety screw. 14 Slide the chrome end of the telescope before you AstroMaster telescope. For added security tighten the angled lock down screw next to secure in place. Insert the chrome barrel of the 20mm eyepiece... slow motion control cable onto declination axis gear shaft. 15 The other cable attaches to view the sun through any telescope without proper filtering! Place the telescope tube on /off finderscope when not in the mount and tighten fastening screw. Remove the lens cap from the end...
