ThaiExcite

ThaiExcite
88/41 Kanlapapruek Road, Bangkae, Bangkae, 10160, Bangkok, ประเทศไทย
ติดต่อสอบถาม: 081-239-3299
อีเมล์: info@thaiexcite.com

URL: http://www.thaiexcite.com/GSO-RC6-on-iOptron-CEM26-mount-AccuAlign-1.5-tripod.html

กล้องดูดาว GSO 6" f/9 Ritchey-Chrétien (RC6) บนเมาท์ iOptron CEM26 mount + AccuAlign + ขาตั้ง 1.5" tripod

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ผู้ผลิต
iOptron
จำนวนในสต๊อก
เหลือ 1 ชิ้น
น้ำหนัก
28,500.00 g
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฿69,990.00

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กล้องดูดาว GSO 6" f/9 Ritchey-Chrétien (RC6) บนเมาท์ iOptron CEM26 mount + AccuAlign + ขาตั้ง 1.5" tripod

 GSO RC6 on iOptron CEM26

 

As amateur astronomers advance in their astro-imaging skills, they dream of owning a Ritchey-Chretien telescope. RC telescopes are being used in some of the world’s biggest and best observatories due to their color-free, coma-free, spherical aberration-free optics. The problem is, Ritchey-Chretien telescopes are out of the reach of most people due to their high price tag…until now!

 

GSO 6-inch RC OTA front white

 

 

Please Note: The Orion 6" RC in the video above is manufactured by GSO and has identical specifications and features.

 

Guan Sheng Optical of Taiwan has been creating affordable imaging telescopes for several years. After the huge success of their imaging Newtonians, they turned their attention to creating a high quality Ritchey-Chretien at a more reasonable price. Now serious astro-imagers can choose from closed tube or open tube RC telescopes in a wide range of apertures!

 

GSO 6-inch RC OTA back white

 

This GSO Ritchey-Chretien has 6” of aperture and a focal ratio of f/9. The primary & secondary mirrors are made of BK7 glass which is coated with aluminum that has a 96% reflective surface. The aluminum is then over coated with quartz. This high reflectivity coating offers higher contrast images and protection against scratching.

Inside the 6” RC metal OTA is a Knife-Edge Baffle System whose only job is to keep stray light out of the telescope’s interior. Stray light eats contrast for breakfast (or a late night snack), and is therefore our enemy. The addition of a dew shield (sold separately) will help further defeat stray light, we recommend picking one up. The OTA mounts easily to a variety of mounts that accept Vixen-style dovetails. Simply remove the dovetail if you choose to mount the telescope via cradle rings.

 

GSO 6-inch RC OTA dual-speed focuser

 

A high quality 2” dual speed Crayford linear bearing focuser comes standard with the GSO 6” f/9 Ritchey, and you'll also get a 2" to 1.25" adapter. One thing that really sets this telescope apart from Schmidt-Cassegrains, even though it looks like one, is the lack of image shift. In SCT’s, the focuser moves the mirror forward and back on a rail, and it is this movement that can cause image shift. The mirror of the GSO 6” RC is fixed into place, similar to that of a Newtonian…it is not connected to the focuser in any way. Removing this connection removes image shift…voila! To collimate the RC, adjustments are made to the secondary mirror.

 

 GSO 6" f/9 Ritchey-Chrétien (RC6) primary mirror

 

 

Introducing iOptron’s new compact next-generation center-balance equatorial mounts the CEM26!

iOptron CEM26 C261B1-2

 

 

iOptron CEM26 quiet slewing at MAX speed of 6º/sec:


Like their predecessors, the CEM26 is designed with portability in mind, weighing in at only 10 lbs it can support up to a 26lb payload an incredible 2.6 mount weight to payload ratio. The key to enable such ratios is the CEM design focuses the mount and payload weight directly on the center of the tripod rendering “natural stability”.

Building on the legacy of earlier CEM models we have added features for convenience and functionality. A positive lock gear engagement system (easy to use even when wearing gloves), Built-in Wi-Fi enabling unparallel connectivity and recordable permanent periodic error correction (PPEC) to repeat optimal PEC training sessions. Regarding functionality the CEM26 delivers precise pointing and accurate tracking. The CEM26 sets the new standard for compact equatorial mounts.

The center-balanced design mount puts the weight of the payload at the center of gravity allowing for greater natural stability. Other features include an adjustable counterweight bar to prevent obstruction with the tripod. And polar aligning is quick and accessible all the time since the polar scope is not blocked by the declination shaft.

The CEM26 is equipped with the latest advanced GOTONOVA® GOTO technology, making it one of the most powerful and accurate GOTO mounts available. Its database includes over 212,000+ objects. The Go2Nova® Hand Controller is intuitive to use and its large 4-line LCD screen simplifies the process of setting telescopes and locating objects.

The CEM26 mount either has an AccuAlignTM optical polar scope or an integrated electronic polar finder scope known as the iPolar (depending on option). iPolar ensures the accurate alignment of a telescope, even when the pole star is obscured.  

 

iOptron iPolarTM - the smart electronic polarscope for everyone (Optional)

  

Shows polar alignment without seeing Polaris using iOptron iPolar:

 

 

The GSO 6" f/9 Ritchey-Chrétien is a good telescope for astrophotography

 

The GSO 6" f/9 Ritchey-Chrétien (RC6) is ready for astrophotography with many good features for beautiful astrophotos.

 

Actual astrophotos taken from the GSO 6" f/9 Ritchey-Chrétien (RC6)

GSO 6-inch RC astrophotos
Credit: Astrobin

 

Other included accessories:

Two eyepieces: One 25mm and one 9mm fully multicoated high power 1.25”  52° field Plössl eyepieces. Three extension tube for reaching focus with different accessories. Can be expanded by adding more accessories (eyepieces, filters, barlows, astrophotography adapters, etc.).

 

 GSO 1.25-inch 90-degree Star Diagonal resize 50GSO Super Plossl 9mm eyepiece สำหรับกล้องดูดาว/GSO Super Plossl 25mm eyepiece

GSO 8-inch Ritchey-Chretien Astrograph focus extension rings

 

 

GSO 6" f/9 Ritchey-Chrétien (RC6) OTA SPECIFICATIONS

Best for viewing Brighter Deep sky
Best for imaging Deep sky
User level Advanced
Optical design Ritchey-Chrétien
Optical diameter 152mm
Focal length 1370mm
Focal ratio f/9
Optics type Hyperbolic
Eyepieces 9mm (1.25") and 25mm (1.25") eyepieces
Magnification with included eyepieces 55x and 152x
Resolving power 0.77arc*sec
Highest useful magnification 180x
Highest theoretical magnification 300x
Limiting stellar magnitude 13.6
Optical quality Diffraction limited
Finder scope 6x30mm
Focuser 2" Dual-speed Precision Crayford
Secondary mirror obstruction 67mm
Secondary mirror obstruction by diameter 50%
Secondary mirror obstruction by area 25%
Mirror coatings/over-coatings Aluminum & Silicon Dioxide (Quartz)
Tube material Steel
Length of optical tube 19.1in. (485mm)
Weight, optical tube 12.1 lbs. (6kg)

 

CEM26 MOUNT SPECIFICATIONS

Mount Center-Balanced Equatorial Mount
Payload * 26 lbs (12kg), exclude counterweight
Mount weight 10 lbs (4.5kg)
Payload/Mount weight 2.6
Structure Material All metal, Casting + CNC machined
Exterior Finish Powder coating
Periodic error (PE) ** <±10 arcsec
PEC Yes, Permanent PEC
Worm period 600 sec
Right Ascension worm wheel Φ88mm, 144 teeth aluminum
Declination worm wheel Φ88mm, 144 teeth aluminum
Right Ascension axis shaft Φ35mm steel
Declination axis shaft Φ35mm steel
Right Ascension bearing Φ55mm ball bearing
Declination bearing Φ55mm ball bearing
Worm gears Φ15.2mm, Brass
Motor drive 1.8º stepper motor, 128X microdivision
Resolution 0.17 arc seconds
Transmission Synchronous belt
Latitude adjustment range 0º ~ 60º
Azimuth adjustment range ± 6º
Polar Scope AccuAlignTM optical polar scope or iPolar (depends on option)
Level indicator Level bubble
Hand Controller Go2Nova® 8409 with ~212,000 objects database
Tracking Automatic
Slew speed 1×,2×,8×,16×,64×,128×,256×,512×,MAX(6º/sec)
Power consumption 0.5A(Tracking), 0.8A(GOTO)
Power requiremention 12V DC, 5A
AC adapter 100V ~ 240V (included)
Power-down memory Yes
Wi-Fi Built-in
Communication port Yes (Wi-Fi and USB)
Autoguide port Yes (ST-4 compatible)
Firmware upgrade Yes
PC computer control Yes (ASCOM)
Counterweight shaft Φ20X306mm (M16), Stainless Steel
Counterweight 10 lbs (4.5kg)
Tripod 1.5" (5kg) or LiteRoc 1.75" (7.5kg) heavy duty stainless steel 
Dovetail saddle 3.8" Vixen-style, center adjustable
GPS Optional external 32-channel GPS
Autoguiding Optional external iGuider 1
Operation temperature -10ºC ~ 40ºC
Warranty Two year limited

* OTA size and length dependent
** Measured with encoder, 10 minutes

 

SUPPORT DOCUMENTS

GSO RC Manual:
GSO Ritchey-Chretien Telescope Manual (by iOptron)

Note: The above GSO RC Manual is made by iOptron for their Phtron series RC telescopes. Other than cdifferent color and logo, almost all aspects of the telescope OTA and accessories are the same. 

 

CEM26 Manual:
Quick Start Guide
Instruction Manual

Firmware:

Download Latest Firmware

iOptron Telescope ASCOM Driver:
Install ASCOM Driver and Commander
 

GSO 8-inch Ritchey-Chretien Astrograph OTA box size

 


GSO is a leader in optical telescopes and accessories and their products have been sold for years by the "Big Three" (Meade, Celestron and Orion) under their own brand names. GSO telescopes and accessories are also sold under different names world-wide; Zhumell (USA), Apertura (USA), TPO (USA), Teleskop Service (Germany), Sky Optic (France), Antares (Canada), Astronz (New Zealand), and more than a dozen more brands too many to name. GSO is known for their high consistency in quality control, low defect rate, and their Taiwanese-based manufacturing scores closer to Japan in quality than other telescope manufacturers which mostly manfacture thier scopes in Mainland China. Give these telescopes a try - you will not be disappointed!