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Equipment Discussions >> Cats & Casses

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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: mclewis1]
      #6171258 - 11/01/13 11:35 PM

Thanks Mark and Eric. With the straight through finder coming on the C6 and my RACI and Telrad from the dob, I should be able to find what is best for my needs. I think the Telrad or the straight through finder may be awkward with the 90 deg. diagonal. Will have to wait and see.

For the time being, I will use the scope on a heavy duty tripod with a fluid head. If the height is adjusted properly, I may not have too much trouble bobbing around sighting and observing.

Mark, it is interesting and encouraging to hear you like your scope with 1.25 accessories.


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: brianb11213]
      #6171263 - 11/01/13 11:40 PM

Brian, thank you for the comments. I agree at this point with your opinion of the right angle finders. I have always found them difficult to use. I normally just rely on the telrad.

Jan, I have looked at the Rigel finders and have always wondered if I would like them as well as the telrad. Both are rather large, IMO. Thanks for the comment.


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: dpippel]
      #6171275 - 11/01/13 11:51 PM

Quote:

Quote:

Personally I think going 2" on a C6 is a waste of time. It has a straw-diameter central baffle and very little real estate on the rear cell. A 2" diagonal crowds the focuser knob.




Depends. If you already have a few 2" eyepieces then a 2" diagonal is a good investment IMO. I can go up to a 2" 31mm Baader Aspheric in my C6 with no noticeable vignetting, and the 2" GSO SCT diagonal I have doesn't crowd the focuser knob at all on an alt/az mount. YMMV of course on a GEM, where rotating the diagonal is often necessary to get an optimal viewing angle.




There you go, confusing me again . Reading all this advice, I have pretty much decided to try the diagonal that comes with the scope, and then if I think the views would improve, go for a better quality 1.25 diagonal. I only have two 2" EP's but my barlow is also 2 inch. I am not so worried about having to rotate the diagonal, as this scope will most likely always be on some sort of alt-azimuth mount. I may buy a T mount to attach my Nikon dslr for terrestrial use, but I don't forsee trying astro-photography or even a GEM.


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: dpippel]
      #6171288 - 11/02/13 12:04 AM

Quote:

I bought mine specifically for use as a grab-and-go too, and it works admirably in that role. What are you going to mount it on?




Glad you asked! At first, I will mount it on a HD photo tripod or I also have an Orion Paragon Plus tripod. I also have a bogen fluid head which I may try. I have used it with the 25X100 binos which weigh around 10 lbs. Oh, another crazy idea I have is to try the OTA on the parallelogram I built for the 10 lb binos. I can move them anywhere, and any direction with one finger, and they just hang where ever I let go of them.

Like I said in a previous post, I have recently installed degree circles on my dob and a digital level which makes finding objects fairly easy. I use Stellarium to get the locations.

I like to tinker, and although it may sound foolish, I may try to build a table top dobsonian type mount where I can use degree circles just like my 10" dob. I may even be able to adapt this little mount to a pier in my backyard or use it on a picnic table at camp. Sounds crazy, huh?


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: tomcat141]
      #6171294 - 11/02/13 12:12 AM

Well, you're all probably tired of my ramblings, but seriously, I want to thank everyone for the sound advice. Different ideas and opinions is what I was looking for, and you all came through. I hope I did not miss recognizing anyone, but I want to thank each and every one for the comments. Thank you

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mclewis1
Thread Killer
*****

Reged: 02/25/06

Loc: New Brunswick, Canada
Re: Question about new C6A-XLT SCT?? new [Re: tomcat141]
      #6171773 - 11/02/13 11:33 AM

Quote:

Oh, another crazy idea I have is to try the OTA on the parallelogram I built for the 10 lb binos. I can move them anywhere, and any direction with one finger, and they just hang where ever I let go of them.



Tom, I've done this with my C6 and a UA T-mount parallelogram mount. It wasn't well balanced (the attachment point wasn't in the perfect position) but it does work, sort of. It was however a bit too bouncy for my liking for anything more than the lowest power wider field work, something that isn't as much of a problem at the lower 25x with the binoculars.

I think the fluid head will be a better choice for anything but the very lowest magnifications on the C6.

A slightly angled (or perhaps even straight up) simple wooden alt az style mount(using dob style bearings) would likely work very well with the C6. It's certainly small enough for a table top mount. You'll just have to be a bit careful of the tipping potential. The idea I like is to tip the az axis over in order to approximate your latitude to create equatorial motions. Sort of a mini fork mount like what Celestron offered years ago with the C5 as a table top setup.


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: mclewis1]
      #6171833 - 11/02/13 12:07 PM

Quote:

Quote:

Oh, another crazy idea I have is to try the OTA on the parallelogram I built for the 10 lb binos. I can move them anywhere, and any direction with one finger, and they just hang where ever I let go of them.



Tom, I've done this with my C6 and a UA T-mount parallelogram mount. It wasn't well balanced (the attachment point wasn't in the perfect position) but it does work, sort of. It was however a bit too bouncy for my liking for anything more than the lowest power wider field work, something that isn't as much of a problem at the lower 25x with the binoculars.

I think the fluid head will be a better choice for anything but the very lowest magnifications on the C6.

A slightly angled (or perhaps even straight up) simple wooden alt az style mount(using dob style bearings) would likely work very well with the C6. It's certainly small enough for a table top mount. You'll just have to be a bit careful of the tipping potential. The idea I like is to tip the az axis over in order to approximate your latitude to create equatorial motions. Sort of a mini fork mount like what Celestron offered years ago with the C5 as a table top setup.




Thanks Mark. I love to tinker, so will probably try more than one option. I was really impressed with the parallelogram mount and the binos, but I can see it might be shakey with higher power. I am doing some searching and trying to formulate ideas for the dob style mount primarily so I can use the degree circles.

Thanks for the input.


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azure1961p
Postmaster
*****

Reged: 01/17/09

Loc: USA
Re: Question about new C6A-XLT SCT?? new [Re: jrbarnett]
      #6172212 - 11/02/13 04:19 PM

Quote:

The stock diagonal is "okay". I would not, however, make replacing the diagonal a top priority if I was budgeting. Like all SCTs, dew control is essential. You can go passive in the form of a dew shade, which buys you a little time before the corrector dews up, or active in the form of a dew heater strip and a dew heater controller and suitably large battery to battery to power it, or combine the passive and active (best) and observe dew free pretty much year-round.

Personally I think going 2" on a C6 is a waste of time. It has a straw-diameter central baffle and very little real estate on the rear cell. A 2" diagonal crowds the focuser knob.

I dislike straight through finders of any kind, whether RDFs or magnified. I strongly prefer a right angle correct image magnified finder. To add one to the C6 you'll need to but a finder shoe that fits the C6 and a finder. I like the Orion 6x30 RACI on the C6 as it's light weight and has a large 7-degree field of view. The bigger 8x50 and 9x50 finders work, but are awfully large in proportion to the size of the OTA. They also have smaller fields of view than the 6x30.

Regards,

Jim




+1 on all that Jim.

Frankly I can't see needlessly bashing the stock diagonal . A lot of folks have but it actually fares quite well next to my TV. Its not quite as good but its still quite functional.

Pete


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: azure1961p]
      #6172398 - 11/02/13 06:40 PM

Thanks Pete. Happy to hear that.

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doug mc
super member
*****

Reged: 03/21/09

Loc: Tamborine Mountain Australia
Re: Question about new C6A-XLT SCT?? new [Re: tomcat141]
      #6174616 - 11/03/13 10:31 PM Attachment (10 downloads)

Regards the finder situation, i use a right angle 8x50 with a laser pointer . Just send up the beam to the place you want and hey presto its there in your finder. Also attached to the back of the dovetail i made a rightangle bracket to screw on a handle i had from an angle grinder. Sitting down behind my c6 i can easilly point and view with ease. Wonderfull scopes these cats.

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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: doug mc]
      #6176120 - 11/04/13 07:28 PM

Quote:

Regards the finder situation, i use a right angle 8x50 with a laser pointer . Just send up the beam to the place you want and hey presto its there in your finder. Also attached to the back of the dovetail i made a rightangle bracket to screw on a handle i had from an angle grinder. Sitting down behind my c6 i can easilly point and view with ease. Wonderfull scopes these cats.




Looks like a nice setup. I like your handle idea. My fluid head also has a nice handle to guide my scope.

I just received my C6 today and it looks great. Of course the clouds came with it. I have mounted it on my Paragon Plus tripod with a Bogen fluid head. I think I can easily add a setting circle for azmuith and attach my digital level for alt. If this proves to be stable enough, I may not even try building a tabletop dob mount.

I love the looks of the C6. Looking through it in the backyard, I was very impressed with how sharp the images were. The 25mm which was included seemed fairly nice, and my ES 82's will work, although they are pretty wide for this scope. The field stops are not sharp I think due to the AFOV. They will be alright, I think.

Even with my ES 82* 6.7mm, I could easily bring things into sharp focus. I will get some pics posted tomorrow, I promise.


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doug mc
super member
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Reged: 03/21/09

Loc: Tamborine Mountain Australia
Re: Question about new C6A-XLT SCT?? new [Re: tomcat141]
      #6176470 - 11/04/13 10:32 PM

Sitting down on an adjustable stool behind this scope is the most comfortable set up for me. I have an eq newt and a dob mount for it, but still point and shoot with the laser, then look in the right angle finder then the eyepiece is enjoyable viewing. The c6 is a terrific scope, you will enjoy it.

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T1R2
Pooh-Bah


Reged: 06/11/13

Loc: NeverWhere
Re: Question about new C6A-XLT SCT?? new [Re: doug mc]
      #6176759 - 11/05/13 03:49 AM

I like my 1.25 prism diagonal, I have a 189$ 2" mirror that I compared it to and could see no difference, and I currently have it attached to the back of a 60mm refractor and it gets a lot of use, theres just something neat about a prism, and it matches well with the scope your getting it with, and I even use it with the C11 it came with, prisms have a special quality that I just love, but just haven't nailed it down as to what it is yet.

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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: doug mc]
      #6176972 - 11/05/13 08:49 AM

Quote:

Sitting down on an adjustable stool behind this scope is the most comfortable set up for me. I have an eq newt and a dob mount for it, but still point and shoot with the laser, then look in the right angle finder then the eyepiece is enjoyable viewing. The c6 is a terrific scope, you will enjoy it.




The convenience of sitting more in one place is one of my reasons for buying the C6. I still like my dob, but I was constantly having to adjust the height or move the stool, stand up or otherwise move something everytime I pointed the dob differently. Getting very lazy in my old age.


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: T1R2]
      #6176975 - 11/05/13 08:51 AM

Quote:

I like my 1.25 prism diagonal, I have a 189$ 2" mirror that I compared it to and could see no difference, and I currently have it attached to the back of a 60mm refractor and it gets a lot of use, theres just something neat about a prism, and it matches well with the scope your getting it with, and I even use it with the C11 it came with, prisms have a special quality that I just love, but just haven't nailed it down as to what it is yet.




So far, I'm very impressed with what I have seen of the C6. I don't know that I will have to replace anything, but I am sure I will still want to buy something, LOL .


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tomcat141
sage
*****

Reged: 08/20/11

Loc: SE Ohio
Re: Question about new C6A-XLT SCT?? new [Re: tomcat141]
      #6177358 - 11/05/13 01:04 PM

As promised, here are some photos of the new arrival.





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dpippel
scholastic sledgehammer
*****

Reged: 04/05/13

Loc: Desierto de Sonora
Re: Question about new C6A-XLT SCT?? [Re: tomcat141]
      #6177399 - 11/05/13 01:29 PM

Very nice Tom! I'm sure you'll enjoy the views. The C6 is a fine little instrument.

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