RCOS Carbon Truss 20 inch Ritchey-Chrétien Telescopes...

RCOS 20 inch Carbon Truss Ritchey-Chretien Telescope

Use an RCOS 20RC at NOAO's Kitt Peak National Observatory (RCOS 20" f/8.2 with ION Milled optics shown)!

Kitt Peak National Observatory - Visitors Center "High atop Kitt Peak sits the largest collection of optical research telescopes anywhere in the world. Each evening, we offer a public program like no other. At our Visitor Center and its multiple observatories, the public is invited to learn about and gain hands-on experience with the latest astronomy has to offer. We’ll view everything from planets to distant galaxies using our 20-inch and 16-inch Ritchey-Chrétien telescopes from RC Optical Systems.

If you’ve only just found out about the Nightly Observing Program, please consider joining the nearly 7000 people each year who experience the thrill of an evening on Kitt Peak. Discovery and excitement await!

Due to the popularity of this program, it is recommended that you make reservations 2 to 4 weeks prior to your visit.

This program is an introductory star-gazing program. Those looking for a more in-depth experience can reserve a night on the Advanced Observing Program."

Optical Features:
- - Zero Expansion Astro-Sitall, ULE Type, or Zerodur RC Optics, Tested and Certified to at least 1/20th Wave RMS.
- Supporting Fringe Analysis and Interferometric Data included.
- Enhanced Aluminum (SiO2/TiO2) Overcoat - 96.9% Reflectivity.

Mechanical Features:
- Designed, Engineered and Modeled in SolidWorks 2009.
- RCOS Proprietary Center Mounted, Self Balancing Primary Mirror Cell.
- Low expansion, light weight Carbon Fiber Truss for superior performance and stability.
- 6061 Aluminum components - All CNC Machined.
- Precision Secondary Mirror Focuser.
- Multi-Stage Primary Mirror Baffle with internal knife-edge light stops.
- Conical Secondary Light Baffle.
- 6061 Aluminum Mounting Rings - CNC Machined.
- Active Cooling.
- RCOS "Focus and Forget" Technology.
- Shipped fully Assembled, Collimated and Ready to Use.
- RCOS CNC Machined "light weight" Dovetail Plates (Losmandy compatible) - top and bottom with matching Paramount VersaPlate hole pattern, allows dovetail mounting plate to be bolted to VersaPlate once scope is balanced.
- Losmandy RDF-90 Finder Scope 3-point Mounting Bracket.
- CNC machined Composite Dust Cover over primary mirror.

Drawings and Documents

Complete and fully assembled OTA Price: $49,730

Optical Features:
- Zero Expansion, Astro-Sitall RC Optics, Tested and Certified to at Least 1/40th Wave RMS.
- Supporting Fringe Analysis and Interferometric Data included.
- Enhanced Aluminum (SiO2/TiO2) Overcoat - 96.9% Reflectivity.

Mechanical Features:
- Designed Engineered and Modeled in SolidWorks 2009.
- RCOS Proprietary 18-Point Primary Mirror Flotation Cell.
- Low expansion, light weight Carbon Fiber Truss for superior performance and stability.
- 6061 Aluminum components - All CNC Machined.
- Precision Secondary Mirror Focuser.
- Multi-Stage Primary Mirror Baffle with internal knife-edge light stops.
- Conical Secondary Light Baffle.
- 6061 Aluminum Mounting Rings - CNC Machined.
- Active Cooling.
- RCOS "Focus and Forget" Technology.
- Shipped fully Assembled, Collimated and Ready to Use.
- RCOS CNC Machined "light weight" Dovetail Plates (Losmandy compatible) - top and bottom with matching Paramount VersaPlate hole pattern, allows dovetail mounting plate to be bolted to VersaPlate once scope is balanced.
- Losmandy RDF-90 Finder Scope 3-point Mounting Bracket.
- CNC machined Composite Dust Cover over primary mirror.

Drawings and Documents

Complete and fully assembled OTA Price: $59,730

Options and Accessories
RCOS Telescope Command Center (TCC-II) Controller - Thermal monitor of primary, secondary and ambient air temperature, includes and controls fans, secondary focus position, secondary dew heater operation, and operation of optional Instrument Rotator. Includes Servo DC motor to electronically operate the secondary focuser. Price: $2,450
RCOS 100mm Series - Precision Instrument Rotator (PIR-100mm). Controlled by the Telescope Command Center. Large clear aperture will not vignette today's 50mm square detectors. Price: $3,750
RCOS 100mm Series - Field Flattener / Corrector. Eliminates field curvature present in all reflective telescopes while eliminating astigmatism and reducing spot size. Price: $3,750
RCOS 100mm Series - Fixed Instruments Rear Cell Adapter / Spacer Set (FIA-100mm). Also large clear aperture to eliminate vignetting. Fits into 100mm PIR. Price: $105 each
Mini Borg 45 ED, Mini Borg 50 Ach, Borg 77mm ED, Borg 101 ED, or Borg 125 ED Refractors. Can be used for Piggy Back Guide Scope, Finder Scope, or Wide Field Imager. Price: Call
FSQ-106 the "NEW Q" by Takahashi (FSQ-106). Piggy back onto your RC! Superb Wide Field Imaging! Price: $4,200 (OTA only)
RCOS Custom Shipping Crate (Crate 20RC). Ship your 20RC secure and safe anywhere in the world with peace of mind. Custom fit and padded internally to reduce shock. Price: $850

	Related Documents and Drawings...
	Layout Drawing (typical) of an RCOS 16" f/9 Carbon Truss Ritchey-Chretien Telescope with ION Milled Optics .
	Isometric / 3 View Drawing (typical) of a 16RC Carbon Truss Telescope Dovetail Mounting Plate.