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ADVANCED SERIES
SPECIFICATIONS
C11 • Flame Nebula • Image courtesy of Sebastian Voltmer
Advanced 21021 21026 21016 31063 31056 31053
Model C80ED-R C100ED-R C4-R C130-M C6-N C6-N HD
Specifications
Optical Design Refractor Refractor Refractor Maksutov-Cassegrain Reflector Reflector
Aperture 80mm (3.2") 100mm (4") 102mm (4") 130mm(5") 150mm (6") 150mm (6")
Focal Length/Ratio 600mm F/7.5 900mm F/9 1000mm F/10 2000mm F/15.3 750mm f/5 750mm f/5
Eyepiece 20mm (30x) 20mm (45x) 20mm (50x) 32mm (63x) 20mm (38x) 20mm (38x)
Finderscope 6x30 9x50 6x30 10x50 6x30 6x30
Mount CG-5 Equatorial CG-5 Equatorial CG-4 Equatorial CG-5 Equatorial CG-4 Equatorial CG-5 Equatorial
Star Diagonal 1.25" 1.25" 1.25" 1.25" n/a n/a
Accessory Tray yes yes yes yes yes yes
Tripod 2" Stainless Steel 2" Stainless Steel Aluminum 2" Stainless Steel Aluminum 2" Stainless Steel
CD ROM The Sky L1 The Sky L1 The Sky L1 The Sky L1 The Sky L1 The Sky L1
Counterweights 1-7lbs 1-11 lbs 1-7lb, 1-4lbs 1-11lbs 1-7lbs, 1-4lbs 1-7lbs, 1-4lbs
Power (GT versions only) Car Battery Adapter Car Battery Adapter Car Battery Adapter Car Battery Adapter Car Battery Adapter Car Battery Adapter
Fastar Compatible n/a n/a n/a n/a n/a n/a
Highest Useful Magnification 189x 236x 241x 300x 354x 354x
Lowest Useful Magnification 11x 14x 15x 18x 21x 21x
Limiting Stellar Magnitude 12 12.5 12.5 14 13.4 13.4
Resolution: Rayleigh 1.73 arc seconds 1.38 arc seconds 1.36 arc seconds 1.1arc seconds .92 arc seconds .92 arc seconds
Dawes Limit 1.45 arc seconds 1.16 arc seconds 1.14 arc seconds .91 arc seconds .77 arc seconds .77 arc seconds
Light Gathering Power 131x unaided eye 204x unaided eye 212x unaided eye 329x unaided eye 459x unaided eye 459x unaided eye
Field of View: standard eyepiece 1.67º 1.1º 1º .83º 1.3º 1.3º
Linear FOV (@1000 yds) 87.5 ft 70 ft 52.5 ft 44 ft. 68 ft. 68 ft.
Optical Coatings Fully Multi-Coated Fully Multi-Coated Multi-Coated Multi-Coated Aluminum Aluminum
Secondary Mirror Obstruction n/a n/a n/a 1.5” 1.75" 1.75"
by Area n/a n/a n/a 9% 8.5% 8.5%
by Diameter n/a n/a n/a 29% 29% 29%
Optical Tube Length 23 inches 34 inches 40 inches 18 inches 27 inches 27 inches
Telescope Weight 42 lbs 50 lbs 36 lbs 51 lbs 35 lbs 54 lbs
Advanced 21022 21027 31064 31054
Computerized Models C80ED-RGT C100ED-RGT C130-MGT C6-N GT
Additional Specifications for Computerized Models
Computerized Hand Control Double line 16 character, Double line 16 character, Double line 16 character, Double line 16 character,
Liquid Crystal Display; Liquid Crystal Display; Liquid Crystal Display; Liquid Crystal Display;
19 LED backlit buttons 19 LED backlit buttons 19 LED backlit buttons 19 LED backlit buttons
Max Slew Speed 3º/second 3º/second 3º/second 3º/second
Software Precision 24bit, 0.08 24bit, 0.08 24bit, 0.08 24bit, 0.08
arcsec calculation arcsec calculation arcsec calculation arcsec calculation
Hand Control Ports RS-232 communication RS-232 communication RS-232 communication RS-232 communication
port on hand control port on hand control port on hand control port on hand control
Motor Ports Aux Port, Autoguide Ports Aux Port, Autoguide Ports Aux Port, Autoguide Ports Aux Port, Autoguide Ports
Tracking Rates Sidereal, Solar and Lunar Sidereal, Solar and Lunar Sidereal, Solar and Lunar Sidereal, Solar and Lunar
Tracking Modes EQ North & EQ South EQ North & EQ South EQ North & EQ South EQ North & EQ South
Alignment Procedures AutoAlign, 2-Star AutoAlign, 2-Star AutoAlign, 2-Star AutoAlign, 2-Star
Alignment, Quick Align Alignment, Quick Align Alignment, Quick Align Alignment, Quick Align
Database 40,000+ objects, 40,000+ objects, 40,000+ objects, 40,000+ objects,
400 user defined 400 user defined 400 user defined 400 user defined
programmable objects programmable objects programmable objects programmable objects
Enhanced information Enhanced information Enhanced information Enhanced information
on over 200 objects on over 200 objects on over 200 objects on over 200 objects
Complete Revised NGC Catalog 7,840 7,840 7,840 7,840
Complete Messier Catalog 110 110 110 110
Complete IC Catalog 5,386 5,386 5,386 5,386
Complete Caldwell 109 109 109 109
Abell Galaxies 2,712 2,712 2,712 2,712
Solar System objects 9 9 9 9
Famous Asterisms 20 20 20 20
Selected CCD Imaging Objects 25 25 25 25
Selected SAO Stars 29,500 29,500 29,500 29,500
Total Object Database 45,492 45,492 45,492 45,492
Specifications are subject to change without notice or obligation.
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