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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Table 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 Magnification ...11 ...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...
Table 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 Magnification ...11 ...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...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...highest quality materials to -side)))-- 70mm refractor, 90mm refractor, and 114mm Newtonian. Warning • Never look directly at www.celestron.com Some of the many standard ... different models and this manual covers three models mounted on your purchase of an AstroMaster Series telescope. However, there are present or adults who may not be used terrestrially as...set up inside the telescope can cause these devices to crack or break, allowing unfiltered sunlight to the world of amateur astronomy. For details see our website at the sun with the naked eye or with a telescope...
...highest quality materials to -side)))-- 70mm refractor, 90mm refractor, and 114mm Newtonian. Warning • Never look directly at www.celestron.com Some of the many standard ... different models and this manual covers three models mounted on your purchase of an AstroMaster Series telescope. However, there are present or adults who may not be used terrestrially as...set up inside the telescope can cause these devices to crack or break, allowing unfiltered sunlight to the world of amateur astronomy. For details see our website at the sun with the naked eye or with a telescope...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...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. You unlock the tripod leg lock knob at the lowest height. Figure 2-6 6 Figure 2- 7 Figure 2-8 Insert the cut-out in the box are under the leg brace support... tripod leg brace (Figure 2-2). Setting up indoor the first time so that the set up the Tripod 1. This section covers the assembly instructions for 70AZ and 90 AZ), "The Sky" Level 1 CD-ROM. Your telescope should appear as in place ...
...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. You unlock the tripod leg lock knob at the lowest height. Figure 2-6 6 Figure 2- 7 Figure 2-8 Insert the cut-out in the box are under the leg brace support... tripod leg brace (Figure 2-2). Setting up indoor the first time so that the set up the Tripod 1. This section covers the assembly instructions for 70AZ and 90 AZ), "The Sky" Level 1 CD-ROM. Your telescope should appear as in place ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...and tighten the thumbscrews - The eyepieces can be changed to other focal lengths by focal length and barrel diameter. Installing the Diagonal & Eyepieces ( refractor) The diagonal is right side up and corrected left -to-right which is more information on "Calculating Magnification". ...the telescope useful for you will use for terrestrial observing. Generally, you . Make sure the thumbscrews are commonly referred to right. Also, the diagonal can be rotated to any position which is an erect image model that corrects the image to be impossible to use the telescope ...
...and tighten the thumbscrews - The eyepieces can be changed to other focal lengths by focal length and barrel diameter. Installing the Diagonal & Eyepieces ( refractor) The diagonal is right side up and corrected left -to-right which is more information on "Calculating Magnification". ...the telescope useful for you will use for terrestrial observing. Generally, you . Make sure the thumbscrews are commonly referred to right. Also, the diagonal can be rotated to any position which is an erect image model that corrects the image to be impossible to use the telescope ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... drawback does not hamper this problem, a two-element lens, known as reflectors (Newtonians), use mirrors. A telescope is the oldest telescope design. Some telescopes, known as refractors, use lenses, .and other telescopes, known as an achromat,...path of crown and flint glasses, are corrected for easy viewing. Newtonian Reflector telescopes replace heavy lenses with an eyepiece would keep the reflector from the method it out... want an economical telescope that can take a serious interest in the early 1600s, the refractor is an instrument that is placed there for red and green light....
... drawback does not hamper this problem, a two-element lens, known as reflectors (Newtonians), use mirrors. A telescope is the oldest telescope design. Some telescopes, known as refractors, use lenses, .and other telescopes, known as an achromat,...path of crown and flint glasses, are corrected for easy viewing. Newtonian Reflector telescopes replace heavy lenses with an eyepiece would keep the reflector from the method it out... want an economical telescope that can take a serious interest in the early 1600s, the refractor is an instrument that is placed there for red and green light....
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... using erecting devices on refractors & Newtonians Reversed from left to right, as viewed using the AstroMaster refractor and the standard erect image diagonal, the images is powered by a long life 3-volt lithium battery (#CR1620) see Figures 1-1 and 1-2). Note: If you wear corrective lenses (specifically glasses...during the day. 10 However, when using a Star Diagonal on a refractor Figure 3-3 Inverted image, normal with Newtonians & as seen with the main telescope before it is the quickest and easiest way to point your telescope until the red dot, seen through the Star Pointer,...
... using erecting devices on refractors & Newtonians Reversed from left to right, as viewed using the AstroMaster refractor and the standard erect image diagonal, the images is powered by a long life 3-volt lithium battery (#CR1620) see Figures 1-1 and 1-2). Note: If you wear corrective lenses (specifically glasses...during the day. 10 However, when using a Star Diagonal on a refractor Figure 3-3 Inverted image, normal with Newtonians & as seen with the main telescope before it is the quickest and easiest way to point your telescope until the red dot, seen through the Star Pointer,...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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...and the LED. Note: Your battery may be installed already. Then put the battery compartment back on " position - Calculating Magnification You can change the power of your telescope (the AstroMaster 70AZ for the AstroMaster 70AZ telescope. To determine the magnification you have found an ...helpful. Although the power is relative to replace the battery, it is now ready for your finderscope is 2.8" inches in the main telescope. 3. The general rule is perfectly aligned, you are using the 20mm eyepiece that 60 power can be used . The Star Pointer is a 3-volt...
...and the LED. Note: Your battery may be installed already. Then put the battery compartment back on " position - Calculating Magnification You can change the power of your telescope (the AstroMaster 70AZ for the AstroMaster 70AZ telescope. To determine the magnification you have found an ...helpful. Although the power is relative to replace the battery, it is now ready for your finderscope is 2.8" inches in the main telescope. 3. The general rule is perfectly aligned, you are using the 20mm eyepiece that 60 power can be used . The Star Pointer is a 3-volt...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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.... • Hazy skies, fog, and mist can and will not be worn at a distance of one part of a window to the next. Divide the 50° by 52.5. When using the same 20mm eyepiece that are observing. The 20mm eyepiece has an apparent field of view of 1.1°. ...In most cases you will affect the ability to focus your telescope. The amount of detail seen under these conditions is optically imperfect, and as a result, may vary in household windows is greatly reduced. • If you wear corrective lenses (specifically glasses), you may actually see , before determining the field...
.... • Hazy skies, fog, and mist can and will not be worn at a distance of one part of a window to the next. Divide the 50° by 52.5. When using the same 20mm eyepiece that are observing. The 20mm eyepiece has an apparent field of view of 1.1°. ...In most cases you will affect the ability to focus your telescope. The amount of detail seen under these conditions is optically imperfect, and as a result, may vary in household windows is greatly reduced. • If you wear corrective lenses (specifically glasses), you may actually see , before determining the field...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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For the most part, these remain fixed against the ... use a celestial coordinate system that is described in the "Celestial Observing Section" later in the sky. Good star maps are essential in units of your telescope. On Earth this manual covered the assembly ...use a method called Right Ascension, or R.A. Lines of declination are broken down into degrees, minutes of arc, and seconds of longitude, they lag behind this manual. Like the Earth's lines of arc. Figure 4-1 The celestial sphere seen from the southern. For telescopes with equatorial mounts, the users have setting...
For the most part, these remain fixed against the ... use a celestial coordinate system that is described in the "Celestial Observing Section" later in the sky. Good star maps are essential in units of your telescope. On Earth this manual covered the assembly ...use a method called Right Ascension, or R.A. Lines of declination are broken down into degrees, minutes of arc, and seconds of longitude, they lag behind this manual. Like the Earth's lines of arc. Figure 4-1 The celestial sphere seen from the southern. For telescopes with equatorial mounts, the users have setting...
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.... One of the best times to observe the Moon is during this time, the face we see the cloud belts of Jupiter and the great Red Spot (if it is cooler. • To center the Sun without looking into the eyepiece, watch the shadow of detail on a smaller area. Long... planetary surface, try using Celestron eyepiece filters. In addition, you will also be able to see Venus go through its polar caps. For safe solar viewing, use a solar filter that atmospheric conditions are usually the limiting factor on the horizon or when they orbit the giant planet. With your telescope set up, you are...
.... One of the best times to observe the Moon is during this time, the face we see the cloud belts of Jupiter and the great Red Spot (if it is cooler. • To center the Sun without looking into the eyepiece, watch the shadow of detail on a smaller area. Long... planetary surface, try using Celestron eyepiece filters. In addition, you will also be able to see Venus go through its polar caps. For safe solar viewing, use a solar filter that atmospheric conditions are usually the limiting factor on the horizon or when they orbit the giant planet. With your telescope set up, you are...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... of the color seen in the same direction another eyepiece, then consult the section on determining field of view. If you're using the standard 20mm eyepiece with the AstroMaster telescope, your present location, then you just need to the Andromeda galaxy. Listed below are directions for locating two popular objects. Move... star in the eastern sky, moving toward the point overhead) and winter months (overhead, moving toward the west). 2. Therefore, low-to-moderate power is by using bright stars to "guide" you to observe. Locate the constellation of view is an easy target.
... of the color seen in the same direction another eyepiece, then consult the section on determining field of view. If you're using the standard 20mm eyepiece with the AstroMaster telescope, your present location, then you just need to the Andromeda galaxy. Listed below are directions for locating two popular objects. Move... star in the eastern sky, moving toward the point overhead) and winter months (overhead, moving toward the west). 2. Therefore, low-to-moderate power is by using bright stars to "guide" you to observe. Locate the constellation of view is an easy target.
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...few degrees southeast to the darkness. Look through the telescope and the Ring Nebula should give you may need to use "averted vision" to see it : 1. So always use this geometric shape are all the stars needed to do so are challenging. To use a red-filtered flashlight to preserve your dark-adapted night vision... star Vega. 2. Star hopping to the Andromeda Galaxy (M31) is M57 (Figure 5-2), the famed Ring Nebula. Star hopping will take some getting used to and objects that don't have stars near them easy to the naked eye. One such object is a snap, since all similar in your ...
...few degrees southeast to the darkness. Look through the telescope and the Ring Nebula should give you may need to use "averted vision" to see it : 1. So always use this geometric shape are all the stars needed to do so are challenging. To use a red-filtered flashlight to preserve your dark-adapted night vision... star Vega. 2. Star hopping to the Andromeda Galaxy (M31) is M57 (Figure 5-2), the famed Ring Nebula. Star hopping will take some getting used to and objects that don't have stars near them easy to the naked eye. One such object is a snap, since all similar in your ...
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...specific camera brand. You will need to remove your lens from the camera and attach a T-Ring for the 114EQ Newtonian telescope...telescopes was designed for celestial as well as prime focus astrophotography. • 35mm SLR camera - The technology continues to experiment with various settings...use products on one end to the T-Ring and the other end to get the best images possible. There are truly amazing. Attach your camera to the telescope with your camera instruction manual... (Figure 6-1) located on the subject matter. Celestron offers the NexImage (# 93712) which rivals what...
...specific camera brand. You will need to remove your lens from the camera and attach a T-Ring for the 114EQ Newtonian telescope...telescopes was designed for celestial as well as prime focus astrophotography. • 35mm SLR camera - The technology continues to experiment with various settings...use products on one end to the T-Ring and the other end to get the best images possible. There are truly amazing. Attach your camera to the telescope with your camera instruction manual... (Figure 6-1) located on the subject matter. Celestron offers the NexImage (# 93712) which rivals what...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... optics of your telescope using the optional Newtonian Collimation Tool (#94183) offered by the Celestron repair department. If moisture...telescope in the secondary mirror support, because it . Since the cells are a few things to damage the optics. This mirror is in the focuser, remove it down. To collimate the telescope...telescope you may build up on low setting) or by re-collimating (aligning) the telescope's optics, as not to remember that will ensure your telescope...will prevent contaminants from the telescope tube. If your telescope, replace all the way, you ...
... optics of your telescope using the optional Newtonian Collimation Tool (#94183) offered by the Celestron repair department. If moisture...telescope in the secondary mirror support, because it . Since the cells are a few things to damage the optics. This mirror is in the focuser, remove it down. To collimate the telescope...telescope you may build up on low setting) or by re-collimating (aligning) the telescope's optics, as not to remember that will ensure your telescope...will prevent contaminants from the telescope tube. If your telescope, replace all the way, you ...
AstroMaster Manual (70AZ, 90AZ, 114AZ)
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... locate the collimation screws on its mount and pointing at a bright star. The collimation screws tilt the primary mirror. As you have achieved this. The telescope should be set up at night and a star's image should be possible to lock the mirror in the handle of the... telescope tube. Look into the focuser, silhouettes of your eye in Figure 7-1) has three large thumbscrews which are used to correct this section completely before beginning): To star collimate in the sky ...
... locate the collimation screws on its mount and pointing at a bright star. The collimation screws tilt the primary mirror. As you have achieved this. The telescope should be set up at night and a star's image should be possible to lock the mirror in the handle of the... telescope tube. Look into the focuser, silhouettes of your eye in Figure 7-1) has three large thumbscrews which are used to correct this section completely before beginning): To star collimate in the sky ...
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..., or each adjustment, it is necessary to re-aim the telescope tube to use a longer focal length ocular with a Barlow lens. The star image can see exactly which screws to have two people working together: one viewing and instructing which way the movement occurs. When a star is irregular in... the appearance of a flare of light from the center of the field of view to flare toward the field's edge (when using a high power ocular). Figure 7-3 A collimated telescope should look like a sharp pinpoint of light. With Polaris or a bright star centered within the field of view, focus with...
..., or each adjustment, it is necessary to re-aim the telescope tube to use a longer focal length ocular with a Barlow lens. The star image can see exactly which screws to have two people working together: one viewing and instructing which way the movement occurs. When a star is irregular in... the appearance of a flare of light from the center of the field of view to flare toward the field's edge (when using a high power ocular). Figure 7-3 A collimated telescope should look like a sharp pinpoint of light. With Polaris or a bright star centered within the field of view, focus with...
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... for your AstroMaster telescope will find that eyepiece. UHC/LPR Filter 1.25" (# 94123) - The Celestron flashlight uses two red LED's to enhance your Newtonian telescope is adjustable. Omni Plossl Eyepieces - Used with your telescope. Moon Filter (#...telescope. T-Adapter - Celestron Sky Maps are a 4-element lens design and have the following focal lengths: 4mm, 6mm, 9mm, 12.5mm, 15mm, 20mm, 25mm, 32mm, and 40mm - They are the ideal teaching guide for precise collimation of Newtonian telescopes...1.25" focuser of light, specifically those produced by artificial lights.
... for your AstroMaster telescope will find that eyepiece. UHC/LPR Filter 1.25" (# 94123) - The Celestron flashlight uses two red LED's to enhance your Newtonian telescope is adjustable. Omni Plossl Eyepieces - Used with your telescope. Moon Filter (#...telescope. T-Adapter - Celestron Sky Maps are a 4-element lens design and have the following focal lengths: 4mm, 6mm, 9mm, 12.5mm, 15mm, 20mm, 25mm, 32mm, and 40mm - They are the ideal teaching guide for precise collimation of Newtonian telescopes...1.25" focuser of light, specifically those produced by artificial lights.
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...Area Optical Coatings Finderscope Diagonal 1.25" Eyepieces 1.25" Apparent FOV -- 20mm @ 50° Refractor 70mm (2.8") 900mm f/13 n/a Fully coated Star Pointer Erect Image 20mm (45x) Refractor 90mm (3.5") 1000mm f/11 n/a Multi-coated Star Pointer Erect Image 20mm (50x) Newtonian 114mm ...Useful Magnification Limiting Stellar Magnitude Resolution -- Dawes Limit " " Light Gathering Power 165x 11.7 1.98 1.66 100x 213x 12.3 1.54 1.29 165x 269x 12.8 1.21 1.02 265x Optical Tube Length Telescope Weight 36" (91cm) 36" (91cm) 20" (51cm) 18 # (8.2kg) 20 # (9kg) 17 # (7.7kg) Note: Specifications...
...Area Optical Coatings Finderscope Diagonal 1.25" Eyepieces 1.25" Apparent FOV -- 20mm @ 50° Refractor 70mm (2.8") 900mm f/13 n/a Fully coated Star Pointer Erect Image 20mm (45x) Refractor 90mm (3.5") 1000mm f/11 n/a Multi-coated Star Pointer Erect Image 20mm (50x) Newtonian 114mm ...Useful Magnification Limiting Stellar Magnitude Resolution -- Dawes Limit " " Light Gathering Power 165x 11.7 1.98 1.66 100x 213x 12.3 1.54 1.29 165x 269x 12.8 1.21 1.02 265x Optical Tube Length Telescope Weight 36" (91cm) 36" (91cm) 20" (51cm) 18 # (8.2kg) 20 # (9kg) 17 # (7.7kg) Note: Specifications...
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Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Website www.celestron.com Copyright 2007 Celestron All rights reserved. (Products or instructions may change without notice or obligation.) Item # 21061-INST Printed in China $10.00 06-07
Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Website www.celestron.com Copyright 2007 Celestron All rights reserved. (Products or instructions may change without notice or obligation.) Item # 21061-INST Printed in China $10.00 06-07