AstroMaster Manual (70AZ, 90AZ, 114AZ)
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AstroMaster Series Telescopes INSTRUCTION MANUAL ● AstroMaster 70AZ # 21061 ●AstroMaster 90AZ # 21063 ● AstroMaster 114AZ # 31043
AstroMaster Series Telescopes INSTRUCTION MANUAL ● AstroMaster 70AZ # 21061 ●AstroMaster 90AZ # 21063 ● AstroMaster 114AZ # 31043
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...of Contents INTRODUCTION ...3 ASSEMBLY ...6 Setting up the Tripod ...6 Moving the Telescope Manually 7 Attaching the Telescope Tube to the Mount 7 Installing the Diagonal & Eyepieces ( refractor 8 Installing the Eyepieces on the Newtonians 8 TELESCOPE BASICS ...9 Image Orientation ...10 Focusing...10 Aligning the Finderscope...10 Calculating ... with Special Imagers 19 CCD Imaging for Deep Sky Objects 19 Terrestrial Photography ...19 TELESCOPE MAINTENANCE 20 Care and Cleaning of the Optics 20 Collimation of a Newtonian...20 OPTIONAL ACCESSORIES ...23 AstroMaster Specifications...24 2
...of Contents INTRODUCTION ...3 ASSEMBLY ...6 Setting up the Tripod ...6 Moving the Telescope Manually 7 Attaching the Telescope Tube to the Mount 7 Installing the Diagonal & Eyepieces ( refractor 8 Installing the Eyepieces on the Newtonians 8 TELESCOPE BASICS ...9 Image Orientation ...10 Focusing...10 Aligning the Finderscope...10 Calculating ... with Special Imagers 19 CCD Imaging for Deep Sky Objects 19 Terrestrial Photography ...19 TELESCOPE MAINTENANCE 20 Care and Cleaning of the Optics 20 Collimation of a Newtonian...20 OPTIONAL ACCESSORIES ...23 AstroMaster Specifications...24 2
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... an eyepiece solar filter or a Herschel wedge. Warning • Never look directly at www.celestron.com Some of the many standard features of pleasure with superb high power viewing. altitude (up inside the telescope can damage the telescope and any surface. The AstroMaster Series is designed to it. • Never use your equipment...
... an eyepiece solar filter or a Herschel wedge. Warning • Never look directly at www.celestron.com Some of the many standard features of pleasure with superb high power viewing. altitude (up inside the telescope can damage the telescope and any surface. The AstroMaster Series is designed to it. • Never use your equipment...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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Star Pointer Finderscope 4. Diagonal 6. Eyepiece 5. Dovetail Mounting Bracket 4 Tripod 10. Alt-Az Mount 12. Azimuth Lock 11. Accessory Tray 9. Focus Knob 7. 1 2 3 4 12 11 10 5 6 7 8 9 Figure 1-1 AstroMaster 90AZ Refractor (AstroMaster 70AZ refractor similar) 1. Telescope Optical Tube 3. Pan Handle 8. Objective Lens 2.
Star Pointer Finderscope 4. Diagonal 6. Eyepiece 5. Dovetail Mounting Bracket 4 Tripod 10. Alt-Az Mount 12. Azimuth Lock 11. Accessory Tray 9. Focus Knob 7. 1 2 3 4 12 11 10 5 6 7 8 9 Figure 1-1 AstroMaster 90AZ Refractor (AstroMaster 70AZ refractor similar) 1. Telescope Optical Tube 3. Pan Handle 8. Objective Lens 2.
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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Eyepiece 3. Tripod 10. Focus Knob 5 Star Pointer Finderscope 2. Primary Mirror 6. Pan Handle 7. Azimuth Lock 8. Tube Ring 4. Dovetail Mounting Bracket 12. 1 12 11 10 9 3 2 4 5 7 6 8 Figure 1-2 AstroMaster 114 AZ Newtonian 1. Accessory Tray 9. Telescope Optical Tube 5. Alt-Az Mount 11.
Eyepiece 3. Tripod 10. Focus Knob 5 Star Pointer Finderscope 2. Primary Mirror 6. Pan Handle 7. Azimuth Lock 8. Tube Ring 4. Dovetail Mounting Bracket 12. 1 12 11 10 9 3 2 4 5 7 6 8 Figure 1-2 AstroMaster 114 AZ Newtonian 1. Accessory Tray 9. Telescope Optical Tube 5. Alt-Az Mount 11.
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... match the center of Figure 2-2). 4. You unlock the tripod leg lock knob at the lowest height. Figure 2-6 6 Figure 2- 7 Figure 2-8 Your telescope should be the most rigid and stable at the bottom of the tray should appear as in the box are under the leg brace support...parts and familiarize yourself with attached pan handle, 10mm eyepiece - 1.25", 20mm eyepiece - 1.25" (erect image for 114AZ), erect image diagonal 1.25" (for your AstroMaster telescope. optical tube with attached sky pointer and tube rings (114 AZ only), Alt-Az mount with the correct assembly procedure before...
... match the center of Figure 2-2). 4. You unlock the tripod leg lock knob at the lowest height. Figure 2-6 6 Figure 2- 7 Figure 2-8 Your telescope should be the most rigid and stable at the bottom of the tray should appear as in the box are under the leg brace support...parts and familiarize yourself with attached pan handle, 10mm eyepiece - 1.25", 20mm eyepiece - 1.25" (erect image for 114AZ), erect image diagonal 1.25" (for your AstroMaster telescope. optical tube with attached sky pointer and tube rings (114 AZ only), Alt-Az mount with the correct assembly procedure before...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... paper covering the optical tube. When loose you want to point it. This will have to -side (azimuth) is attached to hold the telescope in the dovetail bracket. The pan handle and the azimuth lock are fully locked. Then put the dovetail bracket in the horizontal position as shown...bar is the bracket which is controlled by the pan handle (Figure 2-10). and DEC knobs. The up and down (altitude) is the 90AZ telescope tube 7 The side-to remove the tube rings on the 114EQ Newtonian before removing the paper. 2 Loosen the mounting knob and the mounting safety screw...
... paper covering the optical tube. When loose you want to point it. This will have to -side (azimuth) is attached to hold the telescope in the dovetail bracket. The pan handle and the azimuth lock are fully locked. Then put the dovetail bracket in the horizontal position as shown...bar is the bracket which is controlled by the pan handle (Figure 2-10). and DEC knobs. The up and down (altitude) is the 90AZ telescope tube 7 The side-to remove the tube rings on the 114EQ Newtonian before removing the paper. 2 Loosen the mounting knob and the mounting safety screw...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... the diagonal and tighten the thumb screw. The eyepieces can be rotated to any position which is much easier to use low-to use the telescope visually. Generally, you . Then, insert the chrome barrel of the eyepieces into the focus tube (remove the plug up and corrected left -...into the focuser tube before inserting the eyepiece. 3. For more comfortable than if you to determine power, see Figure 2-14. 2. This makes the telescope useful for terrestrial observing. Installing the Diagonal & Eyepieces ( refractor) The diagonal is a prism that magnifies the image focused by the...
... the diagonal and tighten the thumb screw. The eyepieces can be rotated to any position which is much easier to use low-to use the telescope visually. Generally, you . Then, insert the chrome barrel of the eyepieces into the focus tube (remove the plug up and corrected left -...into the focuser tube before inserting the eyepiece. 3. For more comfortable than if you to determine power, see Figure 2-14. 2. This makes the telescope useful for terrestrial observing. Installing the Diagonal & Eyepieces ( refractor) The diagonal is a prism that magnifies the image focused by the...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...as reflectors (Newtonians), use mirrors. There light is bent forward in front of the Newtonian optical design those who want an economical telescope that collects and focuses light. Because the light path is relatively compact and portable. Most two-element lenses, usually made of the ... can still resolve faint, distant objects. Developed in deep space astronomy even on a modest budget. It derives its primary. A telescope is the oldest telescope design. Early designs used single element lenses. Blue light may still be focused at the back end. The eyepiece is focused....
...as reflectors (Newtonians), use mirrors. There light is bent forward in front of the Newtonian optical design those who want an economical telescope that collects and focuses light. Because the light path is relatively compact and portable. Most two-element lenses, usually made of the ... can still resolve faint, distant objects. Developed in deep space astronomy even on a modest budget. It derives its primary. A telescope is the oldest telescope design. Early designs used single element lenses. Blue light may still be focused at the back end. The eyepiece is focused....
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... since the LED dot will appear rotated based on a refractor Figure 3-3 Inverted image, normal with Newtonians & as seen with the main telescope before it is correctly oriented in relation to superimpose the image of the eyepiece holder in every aspect. it can shine directly onto the... star diagonal with an eyepiece attached to point your unaided eye. Like all finderscopes, the Star Pointer must be properly aligned with your telescope exactly at all times. Image orientation as seen with the unaided eye & using erecting devices on an object closer than the one you ...
... since the LED dot will appear rotated based on a refractor Figure 3-3 Inverted image, normal with Newtonians & as seen with the main telescope before it is correctly oriented in relation to superimpose the image of the eyepiece holder in every aspect. it can shine directly onto the... star diagonal with an eyepiece attached to point your unaided eye. Like all finderscopes, the Star Pointer must be properly aligned with your telescope exactly at all times. Image orientation as seen with the unaided eye & using erecting devices on an object closer than the one you ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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.... Although this example has a focal length of 900mm) by 20 yields a magnification of the eyepiece used for the AstroMaster 70AZ telescope. Multiplying 2.8 by changing the eyepiece (ocular). Battery Compartment On/Off Switch Figure 3-4 Figure 3-5 To align the Star Pointer finderscope...: 1. With both the battery and the LED. If not, open , look through the main telescope optics and can determine the magnification for terrestrial applications also. Then put the battery compartment back on " position - Calculating Magnification ...
.... Although this example has a focal length of 900mm) by 20 yields a magnification of the eyepiece used for the AstroMaster 70AZ telescope. Multiplying 2.8 by changing the eyepiece (ocular). Battery Compartment On/Off Switch Figure 3-4 Figure 3-5 To align the Star Pointer finderscope...: 1. With both the battery and the LED. If not, open , look through the main telescope optics and can determine the magnification for terrestrial applications also. Then put the battery compartment back on " position - Calculating Magnification ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...previous section, we can and will not be worn at 1,000 yards, which is 45 power. If you must be able to the telescope. In equation format, the formula looks like this: Apparent Field of Eyepiece True Field Magnification As you can also make it difficult to ...by the eyepiece manufacturer) by the magnification, which is more useful for terrestrial observing, simply multiply by 52.5. Continuing with the AstroMaster 70AZ telescope. Determining Field of View Determining the field of view is important if you want to remove them when observing with any optical instrument, there ...
...previous section, we can and will not be worn at 1,000 yards, which is 45 power. If you must be able to the telescope. In equation format, the formula looks like this: Apparent Field of Eyepiece True Field Magnification As you can also make it difficult to ...by the eyepiece manufacturer) by the magnification, which is more useful for terrestrial observing, simply multiply by 52.5. Continuing with the AstroMaster 70AZ telescope. Determining Field of View Determining the field of view is important if you want to remove them when observing with any optical instrument, there ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...evenly spaced 15 degrees apart. Like the Earth's equator, it passes overhead moving toward the west. for short. and DEC. However, to understand your telescope more thoroughly, you locate where the planets are essential in the sky, astronomers use a method called Right Ascension, or R.A. Good star maps are .... showing R.A. Lines of declination are broken down into degrees, minutes of arc, and seconds of arc. Each line of time. For telescopes with an arbitrary point in units of longitude is described in the "Celestial Observing Section" later in the sky. With your...
...evenly spaced 15 degrees apart. Like the Earth's equator, it passes overhead moving toward the west. for short. and DEC. However, to understand your telescope more thoroughly, you locate where the planets are essential in the sky, astronomers use a method called Right Ascension, or R.A. Good star maps are .... showing R.A. Lines of declination are broken down into degrees, minutes of arc, and seconds of arc. Each line of time. For telescopes with an arbitrary point in units of longitude is described in the "Celestial Observing Section" later in the sky. With your...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...rooftop or chimney. A yellow filter works well at moderate power. Mars can see most of the telescope tube until it safe to focus in on the planetary surface, try using Celestron eyepiece filters. For safe solar viewing, use optional filters. Observing the Planets Other fascinating targets include...8226; To increase contrast and bring out detail on how much planetary detail will affect your ability to damage your eyes or your telescope set up, you are observing). Observing the Moon Often, it is both rewarding and fun. Observing the Sun Although overlooked by many...
...rooftop or chimney. A yellow filter works well at moderate power. Mars can see most of the telescope tube until it safe to focus in on the planetary surface, try using Celestron eyepiece filters. For safe solar viewing, use optional filters. Observing the Planets Other fascinating targets include...8226; To increase contrast and bring out detail on how much planetary detail will affect your ability to damage your eyes or your telescope set up, you are observing). Observing the Moon Often, it is both rewarding and fun. Observing the Sun Although overlooked by many...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...any of the color seen in long exposure photographs. Therefore, low-to-moderate power is by using the standard 20mm eyepiece with the AstroMaster telescope, your present location, then you need to move 3 fields of view. Light pollution around large urban areas washes out most nebulae making...size. For successful star hopping, it is an easy target. The Andromeda Galaxy (Figure 5-1), also known as M31, is helpful to "guide" you telescope. Start at the star in the eastern sky, moving toward the point overhead) and winter months (overhead, moving toward the west). 2. And, because...
...any of the color seen in long exposure photographs. Therefore, low-to-moderate power is by using the standard 20mm eyepiece with the AstroMaster telescope, your present location, then you need to move 3 fields of view. Light pollution around large urban areas washes out most nebulae making...size. For successful star hopping, it is an easy target. The Andromeda Galaxy (Figure 5-1), also known as M31, is helpful to "guide" you telescope. Start at the star in the eastern sky, moving toward the point overhead) and winter months (overhead, moving toward the west). 2. And, because...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... (β) Lyra, while remaining on the black and white sensitive rods of view. The four stars that when observing faint objects, it : 1. Look through the telescope and the Ring Nebula should give you 're observing. Because the Ring Nebula is rather faint, you are challenging. So, if you may need to...
... (β) Lyra, while remaining on the black and white sensitive rods of view. The four stars that when observing faint objects, it : 1. Look through the telescope and the Ring Nebula should give you 're observing. Because the Ring Nebula is rather faint, you are challenging. So, if you may need to...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...acts as blobs. Sky Illumination General sky brightening caused by blocking unwanted light while transmitting light from the brightest stars through your telescope. Seeing Seeing conditions refers to your observing, limit deep sky viewing to -place. Aerosols ejected into the upper atmosphere from ... lens which is inky black. While not a problem for the brighter stars and planets, bright skies reduce the contrast of your telescope during an observing session. LPR filters enhance deep sky viewing from light polluted areas by the Moon, aurorae, natural airglow, and light...
...acts as blobs. Sky Illumination General sky brightening caused by blocking unwanted light while transmitting light from the brightest stars through your telescope. Seeing Seeing conditions refers to your observing, limit deep sky viewing to -place. Aerosols ejected into the upper atmosphere from ... lens which is inky black. While not a problem for the brighter stars and planets, bright skies reduce the contrast of your telescope during an observing session. LPR filters enhance deep sky viewing from light polluted areas by the Moon, aurorae, natural airglow, and light...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...Moon as well as described in the paragraph above. There are truly amazing. Through this screw). Celestron offers the NexImage (# 93712) which can supplement what professionals were doing with large telescopes just a few years a new technology has evolved which rivals what you can find in mind:...astrophotography. • 35mm SLR camera - Figure 6-1 Planetary & Lunar Photography with better and easier to use products on how to the telescope as the brighter planets. After looking at the night sky for a while you search out various books for terrestrial as well as terrestrial ...
...Moon as well as described in the paragraph above. There are truly amazing. Through this screw). Celestron offers the NexImage (# 93712) which can supplement what professionals were doing with large telescopes just a few years a new technology has evolved which rivals what you can find in mind:...astrophotography. • 35mm SLR camera - Figure 6-1 Planetary & Lunar Photography with better and easier to use products on how to the telescope as the brighter planets. After looking at the night sky for a while you search out various books for terrestrial as well as terrestrial ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...built up on the objective lens or primary mirror depending on low setting) or by Celestron. If your telescope performs at the back end of the optics, remove the accessories from the telescope tube. Collimation of a Newtonian The optical performance of internal cleaning, please call the ...DO NOT loosen or tighten the center screw in the secondary mirror, adjust the secondary mirror screws by the Celestron repair department. To collimate the telescope without the Collimation Tool, read the following describes the procedure for approximately two to continue observing, the dew ...
...built up on the objective lens or primary mirror depending on low setting) or by Celestron. If your telescope performs at the back end of the optics, remove the accessories from the telescope tube. Collimation of a Newtonian The optical performance of internal cleaning, please call the ...DO NOT loosen or tighten the center screw in the secondary mirror, adjust the secondary mirror screws by the Celestron repair department. To collimate the telescope without the Collimation Tool, read the following describes the procedure for approximately two to continue observing, the dew ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... on its mount and pointing at a time and with approximately a 1/2 to 3/4 turn will start by closely adjusting the primary mirror while the telescope tube is affected (see the reflection of your eye in Figure 7-1) has three large thumbscrews which are used to lock the mirror in the handle...by re-collimating only the primary mirror. Look into the focuser and notice if the secondary reflection has moved closer to the center of the telescope tube. Repeat steps one collimation screw at a bright star. Remove the collimating cap and look into the focuser, silhouettes of the primary....
... on its mount and pointing at a time and with approximately a 1/2 to 3/4 turn will start by closely adjusting the primary mirror while the telescope tube is affected (see the reflection of your eye in Figure 7-1) has three large thumbscrews which are used to lock the mirror in the handle...by re-collimating only the primary mirror. Look into the focuser and notice if the secondary reflection has moved closer to the center of the telescope tube. Repeat steps one collimation screw at a bright star. Remove the collimating cap and look into the focuser, silhouettes of the primary....