Celestron Telescopes -- NexStar GT Series -- Standard Equipment and Specifications

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NexStar GT- Standard Equipment and Specifications

NexStar GT	22062 NexStar 60GT	31122 NexStar 76GT	22082 NexStar 80GT	22092 NexStar 102GT	31142 NexStar 114GT	31132 NexStar 130GT	11041 NexStar 4GT
Optical Design	60mm (2.4") Refractor	76mm (3") diameter Newtonian Reflector	80mm (3.1") Refractor	102mm (4") Refractor	114mm (4.5") Reflector	130mm (5.1") Reflector	102mm (4") Maksutov-Cassegrain
Focal Length	700mm f/12	700mm f/9.2	400mm f/5	500mm f/5	1000mm f/9	650mm f/5	1325mm f/13
Finderscope	StarPointer	StarPointer	StarPointer	StarPointer	StarPointer	StarPointer	StarPointer
Mount	Motorized Altazimuth	Motorized Altazimuth	Motorized Altazimuth	Motorized Altazimuth	Motorized Altazimuth	Motorized Altazimuth	Motorized Altazimuth
Eyepiece	1-1/4" – 20mm (35x)	1-1/4" – 25mm (28x)	1-1/4" – 25mm (16x)	1-1/4" – 25mm (20x)	1-1/4" – 25mm (40x)	1-1/4" – 25mm (26x)	1-1/4" – 25mm (53x)
Eyepiece	1-1/4" – 10mm, 4mm (70x/175x)	1-1/4" – 10mm (70x)	1-1/4" – 10mm (40x)	1-1/4" – 10mm (50x)	1-1/4" – 10mm (100x)	1-1/4" – 10mm (65x)	1-1/4" – 10mm (133x)
Star Diagonal	1-1/4"	n/a	1-1/4"	1-1/4"	n/a	n/a	1.25" w/ flip mirror system
Accessory tray	yes	yes	yes	yes	yes	Deluxe Accessory Tray w/ HC Holder	n/a
Tripod	Pre-assembled Aluminum	Pre-assembled Aluminum	Pre-assembled Aluminum	Pre-assembled Aluminum	Pre-assembled Aluminum	Pre-assembled Aluminum	n/a
CD ROM	The Sky L1 & NSOL	The Sky L1 & NSOL	The Sky L1 & NSOL	The Sky L1 & NSOL	The Sky L1 & NSOL	The Sky L1 & NSOL	The Sky L1 & NSOL
Hand Control	Fully Computerized	Fully Computerized	Fully Computerized	Fully Computerized	Fully Computerized	Fully Computerized	Fully Computerized
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	4,000 Object Database
Slew Speeds	Nine slew speeds: 4º/sec, 2º/sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x	Nine slew speeds: 4º/sec, 2º/sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x	Nine slew speeds: 4º/sec, 2º/sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x	Nine slew speeds: 4º/sec, 2º/sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x	Nine slew speeds: 4º/sec, 2º/sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x	Nine slew speeds: 4º/sec, 2º/sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x	Nine slew speeds: 4º/sec, 2º/sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x
Tracking Rates	Sidereal, Solar and Lunar Sidereal	Sidereal, Solar and Lunar Sidere	Sidereal, Solar and Lunar Sidereal	Sidereal, Solar and Lunar Sidereal	Sidereal, Solar and Lunar Sidereal	Sidereal, Solar and Lunar Sidereal	Sidereal, Solar and Lunar Sidereal

Highest Useful Magnification	142x	180x	189x	241x	269x	306x	240x
Lowest Useful Magnification	9x	11x	11x	15x	16x	19x	15x
Limiting Stellar Magnitude	11.4	11.9	12	12.5	12.8	13.1	12.5
Resolution: Rayleigh	2.31 arcseconds	1.82 arcseconds	1.73 arcseconds	1.36 arcseconds	1.21 arcseconds	1.06 arcseconds	1.36 arcseconds
Dawes Limit	1.93 arcseconds	1.53 arcseconds	1.45 arcseconds	1.14 arcseconds	1.02 arcseconds	0.89 arcseconds	1.14 arcseconds
Photographic Resolution	156 lines/mm	217 lines/mm	364 lines/mm	408 lines/mm	228 lines/mm	400 lines/mm	140 lines/mm
Light Gathering Power	73x unaided eye	118x unaided eye	131x unaided eye	212x unaided eye	265x unaided eye	345x unaided eye	212x unaided eye
Field of View: Standar Eyepiece	1.4º	1.8º	3.25º	2.5º	1.3º	2º	1º
Linear FOV (@1000 yd.)	75 ft.	95 ft.	171 ft.	131 ft.	68 ft.	105 ft.	52.5 ft.
Optical Coatings	Multi-Coated	Aluminum	Multi-Coated	Multi-Coated	Aluminum	Aluminum	Aluminum/Multi-Coated
Secondary Mirror Obstruction	n/a	.85"	n/a	n/a	1.6"	1.5"	1.38"
by Area	n/a	28%	n/a	n/a	13%	9%	11%
by Diameter	n/a	8%	n/a	n/a	36%	29%	35%
Optical Tube Length	28"	27"	15.5"	21"	19"	24.5"	13.5"
Telescope Weight	9.5 lb.	12 lb.	11 lb.	14 lb.	15 lb.	18 lb.	11 lb.

All specifications are subject to change without notice or obligation.