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Just pulled the trigger on an Orange Tube C8

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#1 Augustus

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Posted 15 May 2018 - 12:55 PM

I'm sure some of you were probably quite worried that I had gone down to just one classic scope after selling the 2080, parting out the Super Space Conqueror, and selling the C60.

 

Well, that era of one Classic is over once again, as I've bought an orange C8 from a fellow CN user. It's in great shape apart from needing the secondary re-shimmed, a task I am eager to do anyways. 

 

I only purchased the OTA. I can't stand <11" fork mounted SCTs, as I like to observe objects near the pole a lot, and one cannot fit their head between the fork arms! Thus, I am mounting it on a CG-5 I bought off Craigslist which has an RA drive and hand controller (the DEC drive jack was broken so I sold the drive to someone that could fix that).

 

The practical justification of this scope is mainly for outreach. My 16" Dob is just too big to easily transport and set up for regular outreach sessions, which I am doing a lot more of lately, and I couldn't possibly set it up on the balcony of the local observatory without a crane. The 6" Dob I have is currently completely dismantled (needs rebuilding) and in any case it's very low to the ground and easily bumped. At the same time, the C8 offers me a little more light gathering than the 6" Dob and the motor drive offers some convenience, so I figure it'll be used for shorter observing sessions from 30-90 minutes in length, such as times when I wake up very early in the morning or there's a near-full Moon.

 

The OTA ships Friday and I should get it sometime next week. I'm looking for a used dovetail and f/6.3 reducer, but if I cannot find a used dovetail I will probably forego the reducer and get a dovetail from ADM.

 

More info soon!


Edited by Augustus, 15 May 2018 - 12:56 PM.

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#2 Defenderslideguitar

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Posted 15 May 2018 - 01:04 PM

Congrats,

 

Cant wait to see the pics......

 

I have grown fond of the  Celestron orange .....


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#3 jallbery

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Posted 15 May 2018 - 01:10 PM

Congrats, and enjoy!


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#4 terraclarke

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Posted 15 May 2018 - 01:57 PM

Good move! Have fun!


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#5 KentTolley

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Posted 15 May 2018 - 02:00 PM

+1 on your outreach.  Everyone should be able to look through a telescope.  And congratulations on the scope.  Please share your fixing it.


Edited by KentTolley, 15 May 2018 - 02:02 PM.

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#6 Augustus

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Posted 15 May 2018 - 02:00 PM

Good move! Have fun!

Thanks! After reading your and others' posts talking about how good the Orange C8s are, as well as using the 10" LX6, I decided to give SCTs another shot. I don't think I'll be disappointed!


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#7 shredder1656

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Posted 15 May 2018 - 02:06 PM

Congrats!!
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#8 Bomber Bob

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Posted 15 May 2018 - 02:40 PM

Congratulations!  I've looked through just a few O/T C8's, but they all performed very well on a wide variety of objects.

 

I only purchased the OTA. I can't stand <11" fork mounted SCTs, as I like to observe objects near the pole a lot, and one cannot fit their head between the fork arms!

 

Yeah, my C5 is easier to use on a Polaris, but it just don't look right...


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#9 Chuck Hards

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Posted 15 May 2018 - 02:49 PM

I looked through my first C8 around 1974.  Congrats Zane!


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#10 Augustus

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Posted 15 May 2018 - 03:11 PM

I looked through my first C8 around 1974.  Congrats Zane!

The first I actually looked through was a Celestar at the local observatory that I was using for outreach on the balcony. It was out of collimation and yet still showed a ton.

 

That was a few weeks ago.

 

Also, the Celestron OTAs are so light compared to the Meades....


Edited by Augustus, 15 May 2018 - 04:35 PM.

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#11 starman876

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Posted 15 May 2018 - 04:30 PM

Nice buy. I am sure you will be pleased.  I have been pleased with every orange C8 I have bought.


Edited by starman876, 15 May 2018 - 07:56 PM.

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#12 JakeJ

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Posted 15 May 2018 - 06:59 PM

LOL, the irony.


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#13 clamchip

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Posted 15 May 2018 - 07:44 PM

Here's some overview while you wait for your new baby:

 

http://www.scoperevi.../C8History.html

 

http://www.scopereviews.com/CSCTs.html

 

I can't say I was ever in love with a CAT, except for Missy she was our kitty when I was growing up

but I would not want to be without a C8, and the orange one in particular.

It's a fantastic instrument and if my house was on fire I would grab my Edmund 4 inch f/15 and and

my orange C8.

 

Robert


Edited by clamchip, 15 May 2018 - 07:50 PM.

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#14 terraclarke

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Posted 15 May 2018 - 09:04 PM

If Swiss Army made a telescope, it would be a red C8 with a cross on it!


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#15 Augustus

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Posted 16 May 2018 - 11:20 AM

I couldn't find any used dovetails so I got a nice new one from Baader Planetarium which is a monolithic piece of metal, unlike the ADM dovetails that use radius blocks. Should work well.



#16 terraclarke

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Posted 16 May 2018 - 11:43 AM

The radius blocks move the tub away from the rail a little bit and help with not getting the tube nicked or bumped by the saddle’s clamping jaw during mounting and unmounting.


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#17 Augustus

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Posted 16 May 2018 - 11:57 AM

The radius blocks move the tub away from the rail a little bit and help with not getting the tube nicked or bumped by the saddle’s clamping jaw during mounting and unmounting.

The Baader has "radius blocks", but they're built into the dovetail so it's just one piece.


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#18 clamchip

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Posted 16 May 2018 - 05:12 PM

I installed a Farpoint bar with radius blocks.

When clamped in my Unistar mount it puts the focuser knob at 6 o' clockfrown.gif  but the finder on the rightsmile.gif

Notice I filled the fork mounting holes with short set screws, DO NOT USE the original screws they are

too long to put back in the holes and they will hit the primary. I have since replaced these set screws

with stainless steel ones like all the other fasteners Celestron used on the telescope.

Robert

 

post-50896-14074190866828_thumb.jpg

post-50896-14074190865203_thumb.jpg


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#19 deSitter

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Posted 16 May 2018 - 05:58 PM

Here's some overview while you wait for your new baby:

 

http://www.scoperevi.../C8History.html

 

http://www.scopereviews.com/CSCTs.html

 

I can't say I was ever in love with a CAT, except for Missy she was our kitty when I was growing up

but I would not want to be without a C8, and the orange one in particular.

It's a fantastic instrument and if my house was on fire I would grab my Edmund 4 inch f/15 and and

my orange C8.

 

Robert

I can't believe I chose lab coats over telescope honeys, but I did :)

 

-drl


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#20 starman876

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Posted 16 May 2018 - 08:00 PM

I installed a Farpoint bar with radius blocks.

When clamped in my Unistar mount it puts the focuser knob at 6 o' clockfrown.gif  but the finder on the rightsmile.gif

Notice I filled the fork mounting holes with short set screws, DO NOT USE the original screws they are

too long to put back in the holes and they will hit the primary. I have since replaced these set screws

with stainless steel ones like all the other fasteners Celestron used on the telescope.

Robert

 

attachicon.gif post-50896-14074190866828_thumb.jpg

attachicon.gif post-50896-14074190865203_thumb.jpg

beautiful scope



#21 Augustus

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Posted 18 May 2018 - 04:38 PM

Dovetail is here. Baader sure did a good job on this thing! 

 

The OTA is supposed to have shipped out today. No idea when it arrives at the moment, but probably sometime next week. Hopefully I can at least bring it to the Stamford Observatory public night on Friday so I don't have to use that fork-mounted Celestar.......


Edited by Augustus, 18 May 2018 - 04:39 PM.


#22 Augustus

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Posted 18 May 2018 - 10:40 PM

OTA arrives tomorrow!

 

First light Sunday night. Depending on conditions I may or may not swap it out with the 16" after a couple hours and continue observing with the latter.


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#23 Augustus

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Posted 19 May 2018 - 07:40 PM

OTA didn't get here today, unfortunately. I'd guess it'll be here Tuesday.



#24 Augustus

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Posted 22 May 2018 - 03:47 PM

Scope arrived today. Had to pull off the corrector and shim the secondary but it's fine now!

 

c8.JPG


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#25 Augustus

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Posted 22 May 2018 - 03:57 PM

The Baader rail fits nicely on the bottom.

 

mewithc8.jpg


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