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Old 05-24-2019, 10:32 AM
Terri Finch's Avatar
Terri Finch Terri Finch is offline
Event Manager
Join Date: May 2008
Location: Phoenix AZ
Posts: 2,745
Default 20" RC OPTICAL SYSTEMS - 20” F/8.2 Ritchey–Chretien

20" RC OPTICAL SYSTEMS - 20” F/8.2 Ritchey–Chretien
Please see attached PDF ad with all the details you need to know to get in touch with the current owner.

Additional info:
Seeking To Sell - 20" RC OPTICAL SYSTEMS - 20" F/8.2 Ritchey-Chretien (see attached)

The above noted telescope has never been used, other than set up once, and then re-packed in its original crate; was inherited, and we desire to sell the scope. The scope is currently in crated storage in Prescott, AZ.

This scope is in the original shipping crate from when purchased new in 2010 for $67,500 from RC Optical Systems, Flagstaff, AZ; seeking reasonable/fair offers.

RC Optical Systems of Flagstaff is no longer in business. Deep Sky Instruments, 262 E Parkwood Rd, Decatur, GA 30030, (404) 906-1024, email: , acquired all intellectual property assets, design files and trade secrets to carry on developing and building the extensive line of RC Optical Systems products and services (TCC and TIM excepted).

James, who was involved in RC Optical Systems, is still operating his business in Flagstaff, under the name of Right Ascension LLC, 3736 North Manor Road, Flagstaff, AZ 86004, (928) 714-1615, email:, who continues to produce the TCC and TIM controllers, plus provide service and repair for RCOS legacy products.

Should you know of anyone who might be interested in purchasing this scope, we’d appreciate the referral; or any suggestions of who we might contact; finding a new home for such a fine piece of equipment, where it can be utilized.

Thank you in advance for your consideration.

Best regards,


Allen G. Nel

(928) 460-3901 C

(928) 999-3908 H (928) 999-3909 F

12300 N. Tonto Road, Prescott, AZ 86305
Attached Files
File Type: pdf Telescope for Sale Allen Nel.pdf (358.4 KB, 197 views)
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