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Celestron C8 Registry

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#551 Joerhatfield

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Posted 30 August 2018 - 10:03 AM

I have a WHITE TUBE C8, Celestron-Byers drive, Starbright coating, Celstron tripod, White tube Celestron 8x50 finder, under carriage adjustable weights, with many other extras. I purchased it new from S&S Optika in Englewood Colorado in about 1984-85. Serial number is 824122. Cathy at S&S explained to me when I purchased it that they purchased 100 of these from Celestron and they were manufactured according to S&S specs and desires. Still works great. Celestron recoated the mirror in about 2007 (free) under the 25 year warranty. I have all the papers and manual. Several eyepieces and other adapters were supplied in a foam lined Orange plastic case. The scope was packaged in a large black trunk. All the eyepieces were manufactured by Clave.


Edited by Joerhatfield, 30 August 2018 - 10:04 AM.

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#552 B 26354

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Posted 30 August 2018 - 01:21 PM

Photos... PLEASE!


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#553 CCD-Freak

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Posted 30 August 2018 - 02:40 PM

YES !!!!!  We love pictures!

 

 

John

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#554 Masvingo

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Posted 20 October 2018 - 01:07 PM

Many thanks to olguy, Sojourner1x1x1, NMBob (great to have the original sale date and optics numbers), Rugheimer (nice to hear of another early C8 – please can we have some more photos?), Glenn Graham (please can we have some more photos and can I check that the last digit of the serial number is 8 and not 9?), gcdunlap, Returning-to-the-sky (could your father have purchased the scope in 1979?), STELLAR49 (nice to hear of a Tuthill scope – could we have some pictures please of the various Tuthill additions?), Zekester, afernald (thanks for the original sale date), Dale65, whizbang, Ptkacik, Joerhatfield (thanks for the details on the special production run for S&S Optika and I second B 26354 and John (CCD-Freak) in a request for photos please?) and toyhole (nice to have another tri-colour on the list and great to get an original sale date for an 8 series serial #) for the serial numbers and other details of their C8s.

 

I’ve now added them to the C8 Registry and bumped it to the 15th Edition.  As usual, the new entries are highlighted in blue and to keep the file size down I've only shown an image of the top part of the list in the image below, however the orange link above will take you to a jpg of the full version.

 

With regard to motor numbers, as I’ve noted in the C5 Registry thread, whilst Don is right in that when looking at a single C8 in isolation, the motor date only gives the earliest date that the scope could have been made (assuming of course that the motors haven’t been replaced at some later stage) because Celestron could have purchased 100,000 motors in 1975 and be still using them for scopes produced in 1982, this is where I think there is value in recording the motor dates along with the serial numbers as it then gives an idea of how quickly Celestron’s stock of motors was turned over. 

 

Unfortunately, when we get to the scopes produced after 1979 which have serial numbers with no date indicators we don’t really have much to go on other than motor dates and the odd data point provided by a scope that has a verified purchase date (and even then there is no telling how long it might have sat in the dealer’s stock). 

 

As ever, all contributions, clarifications and corrections gratefully received and remember – we love pictures too (and they help to detail the smaller changes over the years such as whether phillips or hex head screws were used for the secondary adjustment.)

 

James

C8serialnumber15.jpg


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#555 Daniel Mounsey

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Posted 20 October 2018 - 01:30 PM

This registry is very cool! It's an honor to be part of it. 


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#556 Masvingo

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Posted 20 October 2018 - 01:43 PM

Thanks Daniel and thanks to every one who has contributed.


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#557 Masvingo

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Posted 20 October 2018 - 03:34 PM

Following on from my comments on the C8 Registry update in a previous post (#554), whizbang’s serial number is a bit of an oddity. 

 

I’ve confirmed with him that it is 3 7020 6 which would indicate a scope manufactured in the third quarter of 1976 – however, the sequential production number (the middle 4 digits – 7020 in this case) is out of sequence for the third quarter production although it would fit into the fourth quarter looking at the serials on the registry from around that time:

  • 2 5694 6 – a 2nd quarter 1976 scope with production number 5694
  • 3 6040 6 – a 3rd quarter 1976 scope with production number 6040
  • 3 6121 6 – a 3rd quarter 1976 scope with production number 6121
  • 3 6542 6 – a 3rd quarter 1976 scope with production number 6542
  • 4 6620 6 – a 4th quarter 1976 scope with production number 6620
  • 4 6623 6 – a 4th quarter 1976 scope with production number 6623
  • 4 6793 6 – a 4th quarter 1976 scope with production number 6793
  • 4 7189 6 – a 4th quarter 1976 scope with production number 7189

A scope with production number 7020 would fit in the 4th quarter but would have serial 4 7020 6 or  if it is a 3rd quarter scope then a production number of 6020 (serial 3 6020 6) would make more sense.  It may be that the Celestron employee stamping the serial numbers was having an off day and  either used a '3' instead of a '4' for the first digit or a '7' instead of a '6' for the second. 

 

The motor date may help to narrow down whether the number should have been 3 6020 6 or 4 7020 6 as scope #  3 6121 6 is reported to have motors dated 12/75 (so the Dec 1975 motors stock lasted into the 3rd quarter of 1976) whereas scope 4 6793 6 is reported to have motors dated 9/76.

 

Gotta love these Celestron serials – very so often they throw you a curveball!  question.gif

 

James


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#558 davidmcgo

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Posted 21 October 2018 - 10:23 AM

I swapped forks on my 233835 due to a friend having one that gives better mesh to the motors and tighter declination feel.  My original one must have had some eccentricity to the drive gear because it would keep developing play after running the drive for a while.  Kind of bothers me that the serial number is on the base rather than the tube since mine has really nice optics and was recoated by Celestron with Starbright about 10 years ago.  Anyway, serial number on the new fork mount is 151736.

 

Dave



#559 randy_1701

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Posted 01 November 2018 - 01:56 PM

Just added my second C8, this time an Orange Tube from around 1980. S/N 811625.  Already registered here by CNer Augustus, the scope made its way to me via CNer slsnider423 in New Mexico.  It has been deforked, and I will use the OTA on a classic Vixen Polaris mount, which I had acquired from CNer TerraClarke. mounted on an added "C8 to Polaris" reverse dovetail adapter.

 

I have managed to clean up and re-assemble the optics in the scope, it had the unfortunate luck to have the Secondary come unglued in transit to me in South Carolina.  I can confirm the Corrector number etching the same as CN Augustus, 6247.  Thankfully no permanent damage to the optics, despite the Secondary Baffle bouncing and rolling around in the tube like a brick in a washing machine!!! shocked.gif

 

He will become "Sampson" (s.b. "Samson" but I already have the name decals completed, so I will use the "Greek Translation")  here is the logo to be on each side of the OTA, near the front...

 

samson-pushing-down-pillars Final Publish Tiny.jpg

 

Meant for Outreach and just fun everyday usage with a C8 that is more grunt-and-hernia than grab-and-go...grin.gif   My other C8, "Atlas" is the heave-and-hernia type, (I'll get the S/N for him and follow up, here) is a Celestar8 from 1998/99 one owner for me that has been converted to a Deluxe forks and base, and a larger Super C8-style field tripod and wedge rather than the old wedgepod.

 

Regards and Clear Skies,

Randy

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