Celestron NightScape 95555 User Manual Page 20
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AstroMasterItem # 21061 21062 31035 21063 21064 31042 31045 / 31051* 21073 - NEW 21074 - NEW 31036 - NEW
Model Name
AstroMaster
70AZ
AstroMaster
70EQ
AstroMaster
76EQ
AstroMaster
90AZ
AstroMaster
90EQ
AstroMaster
114EQ
AstroMaster
130EQ
AstroMaster LT
60AZ
AstroMaster LT
70AZ
AstroMaster LT
76AZ
Optical Design
/ Aperture
Refractor /
70 mm (2.8”)
Refractor /
70 mm (2.8”)
Reflector /
76 mm (3”)
Refractor /
90 mm (3.5”)
Refractor /
90 mm (3.5”)
Reflector /
114 mm (4.5”)
Reflector /
130 mm (5”)
Refractor /
60 mm (2.4”)
Refractor /
70 mm (2.8”)
Reflector /
76 mm (3”)
Focal Length
/ Focal Ratio
900 mm / f/13 900 mm / f/13 700 mm / f/9 1000 mm / f/11 1000 mm / f/11 1000 mm / f/9 650 mm / f/5 700 mm /f/12 700 mm / f/10 700mm / f/9
Finderscope
Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer
Mount
Altazimuth CG-2 Equatorial CG-2 Equatorial Altazimuth CG-3 Equatorial CG-2 Equatorial CG-3 Equatorial Altazimuth Altazimuth Altazimuth
Eyepiece
/ Magnification
20 mm (45x) /
10 mm (90x)
20 mm (45x) /
10 mm (90x)
20 mm (35x)** /
10 mm (70x)
20 mm (50x) /
10 mm (100x)
20 mm (50x) /
10 mm (100x)
20 mm (50x)** /
10 mm (100x)
20 mm (33x)**/
10 mm (65x)
20 mm (35x) /
10 mm (75x)
20 mm (35x) /
10 mm (75x)
20 mm (35x) /
10 mm (75x)
Erect Image Diagonal 1.25” 1.25”
n/a
1.25” 1.25”
n/a n/a n/a n/a n/a
Tripod
1.25” steel tubes 1.25” steel tubes 1.25” steel tubes 1.25” steel tubes 1.25” steel tubes 1.25” steel tubes 1.25” steel tubes 1” steel tubes 1” steel tubes 1” steel tubes
CD-ROM
TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX
Highest Useful
Magnification
165x 165x 180x 213x 213x 269x 306x 144x 162x 180x
Limiting Stellar
Magnitude
11.7 11.7 11.9 12.3 12.3 12.8 13.1 11.4 11.7 11.9
Resolution: Rayleigh
Dawes Limit
1.98 arc seconds
1.66 arc seconds
1.98 arc seconds
1.66 arc seconds
1.82 arc seconds
1.53 arc seconds
1.54 arc seconds
1.29 arc seconds
1.54 arc seconds
1.29 arc seconds
1.21 arc seconds
1.02 arc seconds
1.06 arc seconds
.89 arc seconds
2.32 arc seconds
1.93 arc seconds
1.99 arc seconds
1.66 arc seconds
1.83 arc seconds
1.53 arc seconds
Light Gathering
Power
100x 100x 118x 165x 165x 265x 345x 73x 100x 118x
Angular Field
of View: 20 mm
1.1º 1.1º 1.4º 1º 1º 1º 1.5º 1.7º 1.7º 1.7º
Linear FOV
(@1000 yds)
58 ft. 58 ft. 75 ft. 53 ft. 53 ft. 53 ft. 79 ft. 89 ft. 89 ft. 89 ft.
Secondary Mirror
Obstruction,
Diameter, Area
n/a n/a 1”, 33% , 11% n/a n/a 1.4”, 31%, 10% 1.7”, 34%, 12% n/a n/a 1”, 33% , 11%
Optical Coatings
Fully-Coated Fully-Coated Aluminum w/ Sio2 Multi-Coated Multi-Coated Aluminum w/ Sio2 Aluminum w/ Sio2 Fully-Coated Fully-Coated Aluminum w/ Sio2
Optical Tube Length
36 in (91 cm) 36 in (91 cm) 26 in (66 cm) 36 in (91 cm) 36 in (91 cm) 20 in (51 cm) 24 in (61 cm) 28 in (61 cm) 28 in (61 cm) 26 in ( 66 cm)
Telescope Weight
18 lbs (8.16 kg) 18 lbs (8.16 kg) 16 lbs (7.25 kg) 20 lbs (9.02 kg) 27 lbs (12.25 kg) 17 lbs (7.71 kg) 28 lbs (12.20 kg) 13 lbs (8.89 kg) 16 lbs (7.25 kg) 12 lbs (5.44 kg)
SPECIFICATIONS SPECIFICATIONS
*Includes Motor Drive **Erect Image
Omni XLT Item # 21088 21090 21094 31057 11084
Model Name
Omni XLT 102 Omni XLT 120 Omni XLT 150 R Omni XLT 150 Omni XLT 127
Optical Design / Aperture
Refractor / 102 mm (4”) Refractor / 120 mm (4.7”) Refractor / 150 mm (6”) Newtonian Reflector / 150 mm (6”) Schmidt-Cassegrain / 127 mm (5”)
Focal Length / Focal Ratio
1000 mm / f/10 1000 mm / f/8.3 750 mm / f/5 750 mm / f/5 1250 mm
Optical Coatings
StarBright XLT StarBright XLT StarBright XLT StarBright XLT StarBright XLT
Focuser
2” with 1-1/4” Adapter 2” with 1-1/4” Adapter 2” with 1-1/4” Adapter 1-1/4” Standard SCT 1.25” Visual Back
Finderscope
6x30 6x30 6x30 6x30 6x30
Star Diagonal – 1.25”
Yes Yes Yes n/a Yes
Eyepiece / Mag
25 mm / (40x) 25 mm/ (40x) 25 mm/ (30x) 25 mm/ (30x) 25 mm/ (50x)
CD-ROM
TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX
Mount Type
CG-4 German Equatorial CG-4 German Equatorial CG-4 German Equatorial CG-4 German Equatorial CG-4 German Equatorial
Tripod w/bubble level
1.75” Stainless Steel Legs 1.75” Stainless Steel Legs 1.75” Stainless Steel Legs 1.75” Stainless Steel Legs 1.75” Stainless Steel Legs
Counterweights
7 lbs and 4 lbs (3.2 kg and 1.8 kg) 7 lbs and 4 lbs (3.2 kg and 1.8 kg) 7 lbs and 4 lbs (3.2 kg and 1.8 kg) 7 lbs and 4 lbs (3.2 kg and 1.8 kg) 7 lbs and 4 lbs (3.2 kg and 1.8 kg)
Highest Useful Magnification
240x 283x 360x 360x 300x
Lowest Useful Magnification
15x 17x 21x 21x 18x
Limiting Stellar Magnitude
12.5 12.9 13.4 13.4 13.1
Resolution: Rayleigh / Dawes Limit
1.36 arc seconds / 1.14 arc seconds 1.19 arc seconds / 0.97 arc seconds 0.92 arc seconds / 0.76 arc seconds 0.92 arc seconds / 0.76 arc seconds 1.1 arc seconds / 0.91 arc seconds
Light Gathering Power
212x unaided eye 294x unaided eye 459x unaided eye 459x unaided eye 329x unaided eye
Angular Field of View: 25 mm
eyepiece
1.25º 1.25º 1.67º 1.67º 1.0º
Linear FOV (@1000 yds)
66 ft. 66 ft. 88 ft. 88 ft. 53 ft.
Secondary Mirror
Obstruction, Diameter, Area
n/a n/a n/a 1.75”, 29%, 8.5% 1.75”, 35%, 12%
Optical Tube Length
40 in (101 cm) 40 in (101 cm) 34 in (86 cm) 27 in (68.5 cm) 11 in (28 cm)
Telescope Weight
43 lbs (19.5 kg) 46 lbs (20.9 kg) 49.5 lbs (22.5 kg) 45.5 lbs (20.6 kg) 40 lbs (18.2 kg)
All Celestron telescopes, mounts, and OTA’s come with a 2 year warranty. Specifications are subject to change without notice or obligation. All Celestron telescopes, mounts, and OTA’s come with a 2 year warranty. Specifications are subject to change without notice or obligation.
LCM Item # 22050 22052 31151 22051 22054 31150
Model Name
60LCM 70LCM 76LCM 80LCM 90LCM 114LCM
Optical Design / Aperture
Refractor / 60 mm (2.4”) Refractor / 70 mm (2.8”) Reflector / 76 mm (3”) Refractor / 80 mm (3.1”) Refractor / 90 mm (3.5”) Reflector / 114 mm (4.5”)
Focal Length / Focal Ratio
700 mm / f/12 900 mm / f/11 700 mm / f/9 900 mm / f/11 660 mm / f/7 1000 mm / f/8.8
Finderscope
Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer Built-on StarPointer
Mount
Computerized Altazimuth Computerized Altazimuth Computerized Altazimuth Computerized Altazimuth Computerized Altazimuth Computerized Altazimuth
Eyepiece / Magnification
25 mm / (28x), 9 mm / (78x) 25 mm / (36x), 9 mm / (100x) 25 mm / (28x), 9 mm (78x) 25 mm / (36x), 9 mm / (100x) 25 mm / (26x), 9 mm / (73x) 25 mm / (40x), 9 mm / (111x)
Star Diagonal
1.25” Erect Image 1.25” Erect Image n/a 1.25” Erect Image 1.25” Erect Image n/a
Tripod
Aluminum Aluminum Aluminum Aluminum Aluminum Aluminum
CD-ROM
TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX TheSkyX
Database
4,000 Object Database 4,000 Object Database 4,000 Object Database 4,000 Object Database 4,000 Object Database 4,000 Object Database
Slew Speeds
Nine slew speeds, 3º/sec MAX Nine slew speeds, 3º/sec MAX Nine slew speeds, 3º/sec MAX Nine slew speeds, 3º/sec MAX Nine slew speeds, 3º/sec MAX
Tracking Rates /
Tracking Modes
Sidereal, Solar and Lunar /
Alt-Az, EQ North and EQ South
Sidereal, Solar and Lunar /
Alt-Az, EQ North and EQ South
Sidereal, Solar and Lunar /
Alt-Az, EQ North and EQ South
Sidereal, Solar and Lunar /
Alt-Az, EQ North and EQ South
Sidereal, Solar and Lunar /
Alt-Az, EQ North and EQ South
Sidereal, Solar and Lunar /
Alt-Az, EQ North and EQ South
Power Requirements
12 VDC 750mA 12 VDC 750mA 12 VDC 750mA 12 VDC 750mA 12 VDC 750mA 12 VDC 750mA
Alignment Procedures
SkyAlign, Auto 2-Star Align,
1-Star Align, 2-Star Align and
Solar System
SkyAlign, Auto 2-Star Align,
1-Star Align, 2-Star Align and
Solar System
SkyAlign, Auto 2-Star Align,
1-Star Align, 2-Star Align and
Solar System
SkyAlign, Auto 2-Star Align,
1-Star Align, 2-Star Align and
Solar System
SkyAlign, Auto 2-Star Align,
1-Star Align, 2-Star Align and
Solar System
SkyAlign, Auto 2-Star Align,
1-Star Align, 2-Star Align and
Solar System
Highest Useful Magnification
142x 168x 180x 189x 210x 269x
Limiting Stellar Magnitude
11.4 12 12.8 12.0 12.3 12.8
Resolution: Rayleigh /
Dawes Limit
2.32 arc seconds /
1.93 arc seconds
1.98 arc seconds /
1.68 arc seconds
1.82 arc seconds /
1.53 arc seconds
1.74 arc seconds /
1.45 arc seconds
1.34 arc seconds /
1.29 arc seconds
1.22 arc seconds /
1.02 arc seconds
Light Gathering Power
73x 100x 118x 130x 165x 265x
FOV View (degrees)
w/ low power eyepiece
1.6º 1.25º 1.6º 1.25º 1.70º 1.13º
Linear FOV (@1000 yds)
84 ft. 66 ft. 84 ft 66 ft 89 ft 59 ft
Optical Coatings
Fully-Coated Fully-Coated Aluminum w/ Sio2 Fully-Coated Fully-Coated Aluminum w/ Sio2
Secondary Mirror
Obstruction, Diameter, Area
n/a n/a 1.6”, 36%, 13% n/a n/a 1.4”, 31%, 10%
Telescope Weight
10 lbs (4.5 kg) 12 lbs (5.4 kg) 13 lbs (5.9 kg) 14 lbs (6.4 kg) 15 lbs (6.8 kg) 15 lbs (6.8 kg)
NexStar SLT Item # 22087 22097 22096 31145
Model Name
NexStar 90 SLT NexStar 127 SLT NexStar 102 SLT NexStar 130 SLT
Optical Design / Aperture
Maksutov-Cassegrain / 90 mm (3.5”) Maksutov-Cassegrain / 127 mm (5”) Refractor / 102 mm (4”) Reflector / 130 mm (5.1”)
Focal Length / Focal Ratio
1250 mm / f/14 1500 mm / f/12 660 mm / f/6 650 mm / f/5
Finderscope
StarPointer StarPointer StarPointer StarPointer
Mount
Computerized Altazimuth Computerized Altazimuth Computerized Altazimuth Computerized Altazimuth
Eyepiece / Magnification / Star Diagonal
25 mm (50x), 9 mm (139x) / 1.25” 25 mm (60x), 9 mm (167x) / 1.25” 25 mm (26x), 9 mm (73x) / 1.25” 25 mm (26x), 9 mm (72x) / n/a
Tripod
Pre-assembled Steel Pre-assembled Steel Pre-assembled Steel Pre-assembled Steel
CD-ROM
TheSkyX and NSOL TheSkyX and NSOL TheSkyX and NSOL TheSkyX and NSOL
Telescope Control System
NexStar Computer Control System NexStar Computer Control System NexStar Computer Control System NexStar Computer Control System
Database
4,000 Object Database 4,000 Object Database 4,000 Object Database 4,000 Object Database
Slew Speeds
Nine slew speeds, 4º/sec MAX Nine slew speeds, 4º/sec MAX Nine slew speeds, 4º/sec MAX Nine slew speeds, 4º/sec MAX
Tracking Rates
Sidereal, Solar and Lunar Sidereal, Solar and Lunar Sidereal, Solar and Lunar Sidereal, Solar and Lunar
Tracking Modes
Alt-Az, EQ North and EQ South Alt-Az, EQ North and EQ South Alt-Az, EQ North and EQ South Alt-Az, EQ North and EQ South
Power Requirements
12 VDC 750mA 12 VDC 750mA 12 VDC 750mA 12 VDC 750mA
GPS Compatible
SkySync SkySync SkySync SkySync
Alignment Procedures
SkyAlign, Auto 2-Star Align,1-Star Align, SkyAlign, Auto 2-Star Align,1-Star Align, SkyAlign, Auto 2-Star Align,1-Star Align, SkyAlign, Auto 2-Star Align,1-Star Align,
Highest Useful Magnification
213x 300x 240x 306x
Limiting Stellar Magnitude
12.3 13 12.5 13.1
Resolution: Rayleigh / Dawes Limit
1.55 arc seconds / 1.29 arc seconds 1.1 arc seconds / .91 arc seconds 1.36 arc seconds / 1.14 arc seconds 1.06 arc seconds / .89 arc seconds
Light Gathering Power
165x unaided eye 329x unaided eye 212x unaided eye 345x unaided eye
Field of View (degrees) w/ low power eyepiece
1º .83º 1.7º 1.7º
Linear FOV (@1000 yds)
53 ft. 44 ft. 91 ft. 91 ft.
Optical Coatings
Fully-Coated Fully-Coated Multi-Coated Aluminum w/ Sio2
Secondary Mirror Obstruction, Diameter, Area
1”, 28%, 8% 1.5”, 30%, 9% n/a 1.7”, 34%, 12%
Telescope Weight / Optical Tube Length
12 lbs (5.4 kg) / 11” (28 cm) 18 lbs (8.2 kg) / 15” (38 cm) 14 lbs (6.3 kg) / 23” (58 cm) 18 lbs (8.2 kg) / 21” (53 cm)
| LCM/ NEXTSTAR SLT SPECIFICATIONS |
38
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| ASTROMASTER/ OMNI XLT SPECIFICATIONS |
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