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Equipment Discussions >> Mounts

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Doug76
Long Achro Junkie
*****

Reged: 12/05/07

Loc: Refractor Heaven
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: eric_zeiner]
      #4452184 - 03/15/11 07:04 PM

Quote:

This really is total torture as I am so broke that I cannot even pay attention How long are they on sale for?




Until they are gone. It was a special buy, like the Omni XLT102ED kit they also have on sale.


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N1ghtSc0p3
member
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Reged: 02/19/11

Loc: Texas
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Doug76]
      #4454912 - 03/16/11 11:37 PM

I see the pic at the start of this thread with an AT72ED, and I'm wondering if that combo, when the mount is motorized, would make a decent budget imaging setup? Im considering the AT72, and would run either a CCD or my light DSLR. Thanks!

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Starhawk
Space Ranger
*****

Reged: 09/16/08

Loc: Tucson, Arizona
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: N1ghtSc0p3]
      #4455409 - 03/17/11 09:13 AM

Don't replace the battery pack. In periodic use, you'll go through a set if D cells in 6 months. The instant you set GOTO aside, power requirements drop to nothing. The controller has no voltage or current protection. It is safe on D cells. The replacement drive costs a lot of D cells.

-Rich


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meteorite

*****

Reged: 01/28/06

Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Starhawk]
      #4456137 - 03/17/11 02:50 PM

GOTO? This mount isn't GOTO.

-Walter


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N1ghtSc0p3
member
*****

Reged: 02/19/11

Loc: Texas
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: meteorite]
      #4456431 - 03/17/11 05:57 PM

I think the point is simply that GOTO consumes a LOT of power, and that this mount is 'aside' from GOTO, and therefore the drives will run much longer on D batteries...

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meteorite

*****

Reged: 01/28/06

Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: N1ghtSc0p3]
      #4456631 - 03/17/11 07:55 PM

ahhh, okay. I see.

-Walter


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Starhawk
Space Ranger
*****

Reged: 09/16/08

Loc: Tucson, Arizona
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: meteorite]
      #4456794 - 03/17/11 09:37 PM

GOTO has trained us to be ready for massive power demands. But non- GOTO mounts use very little power, so stop thinking about how you'll need to replace lots of batteries, because you won't.

-Rich


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meteorite

*****

Reged: 01/28/06

Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Starhawk]
      #4457338 - 03/18/11 08:14 AM Attachment (51 downloads)

Hello Everyone,

I am the OP. I ordered a pair of replacement RA and Dec knobs from http://www.focusknobs.com/ this week. I think they look great on the mount.

-Walter

Edited by meteorite (03/18/11 08:15 AM)


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N1ghtSc0p3
member
*****

Reged: 02/19/11

Loc: Texas
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: meteorite]
      #4457505 - 03/18/11 10:07 AM

Very nice addition Walter!! I picked up this mount last night w/ Astronomics' sale...can't wait to take receipt! Now debating between a used WO Zenithstar 80, or a new AT72ED...

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Bart
Carpal Tunnel
*****

Reged: 05/28/06

Loc: Somewhere near Charlottesville...
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: N1ghtSc0p3]
      #4458767 - 03/18/11 09:35 PM

The CG-4 came today. I was able to use it for about an hour before the clouds rolled in, I have to say that I really like this little mount. Sure it's not a GoTo, but with a drive installed it'll be perfect for my ED80.

I'm a happy camper.


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meteorite

*****

Reged: 01/28/06

Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Bart]
      #4459122 - 03/19/11 01:51 AM

Hello Bart,

I can't speak of the ZenithStar 80 because I don't own one. The only problem (a small one) I have noted with the AT72 is with my 2 inch diagonal, eyepiece and finder, the scope is heavy on the back end. The mounting foot on the scope is about as long as he saddle on the mount so there is no room to play with the Dec balance.

It doesn't affect me personally as I just tighten down on the Dec clamp a little more than I otherwise would. It may be an issue if you are attaching a dec motor drive. It may cause stress on the drive. I don't know. Anyone have an opinion on this?

I suppose you could attach the AT72 to an 8 inch dovetal plate. Has anyone done this?

This may be a good question for the Refractor forum or a new thread here.

-Walter


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Bart
Carpal Tunnel
*****

Reged: 05/28/06

Loc: Somewhere near Charlottesville...
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: meteorite]
      #4459430 - 03/19/11 08:29 AM

Walter,

I have the Orion ED80. The length of the scope, diagonal included, lends itself to being perfectly balanced. So far no problem. I should be getting the drive by this Friday. I'll let you know how it installs.


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meteorite

*****

Reged: 01/28/06

Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Bart]
      #4459502 - 03/19/11 09:45 AM

Hello Bart,

Ahhh, that's good news. Single (RA) or dual drive? I have looked around and it appears no one except Orion is selling the single RA drive anymore. Maybe Celestron d/c the single drive?

-Walter


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Bart
Carpal Tunnel
*****

Reged: 05/28/06

Loc: Somewhere near Charlottesville...
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: meteorite]
      #4459505 - 03/19/11 09:50 AM

I sprang for the dual drive. Celestron doesn't sell a single drive.

I recently talked with an Orion sales persons. He said with all the GoTo mounts being sold, the market for single drives has all but dried up.


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AlienRatDog
Carpal Tunnel
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Reged: 07/15/05

Loc: Ann Arbor
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Bart]
      #4462436 - 03/20/11 05:07 PM

Ok I may buy one at this point so in a nutshell, to double check...think the Orion 100ED f/9 be ok on the mount (better than portamount)? AND does the Orion Single Drive system for the Astroview mount work on this??

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Happy-Idiot
Stuck with it
*****

Reged: 04/06/06

Loc: 3rd Rock
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: AlienRatDog]
      #4466498 - 03/22/11 02:23 PM

Thanks everyone, now i am $200 poorer and im still just as ugly.

BTW nice knobs Walter. I will have to look into them myself.


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SteveG
Post Laureate
*****

Reged: 09/27/06

Loc: Seattle, WA
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: AlienRatDog]
      #4466590 - 03/22/11 03:00 PM

Quote:

Ok I may buy one at this point so in a nutshell, to double check...think the Orion 100ED f/9 be ok on the mount (better than portamount)? AND does the Orion Single Drive system for the Astroview mount work on this??




Abe

This mount would be excellent for the ED100. I'm sure you can find a single axis drive for it, and yes, an owner here posted that the Astroview drive works with this mount.


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Guy Noir
sage
*****

Reged: 04/27/05

Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: SteveG]
      #4466856 - 03/22/11 04:47 PM

Oh wow, that looks like a nice replacement for my Astroview mount ... it looks a bit like its built like the Orion SVP mount, and on the website it says its 33.5 lbs.

Can anybody comment on this? Is this mount comparable to the Orion SVP in terms of stability, max load, and vibration damping?

I would mount either a 5' MakCass or 120 mm ST refractor on it.

Thanks fo the advice,
Michael


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Guy Noir
sage
*****

Reged: 04/27/05

Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Guy Noir]
      #4466905 - 03/22/11 05:11 PM

Actually, this mount looks physically much like the skywatcher EQ3-pro mount, or EQ3 synscan
http://www.skywatcher.com/swtinc/product.php?id=121&class1=3&class2=304
So I guess it would be slightly less stable that the Skywatcher EQ5 mount or the Orion SVP mounts.

Basically, my question is if this Celestron CG-4 mount would be an improvement over my Astroview mount, and if so would this be a significant improvement ...

Comments apreciated.
Michael


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gustavo_sanchez
sage


Reged: 12/30/10

Loc: Puerto Rico, US
Re: Celestron CG-4 Mount only $199.00 at Astronomi new [Re: Guy Noir]
      #4467035 - 03/22/11 06:10 PM

Quote:

Actually, this mount looks physically much like the skywatcher EQ3-pro mount, or EQ3 synscan
http://www.skywatcher.com/swtinc/product.php?id=121&class1=3&class2=304
So I guess it would be slightly less stable that the Skywatcher EQ5 mount or the Orion SVP mounts.

Basically, my question is if this Celestron CG-4 mount would be an improvement over my Astroview mount, and if so would this be a significant improvement ...

Comments apreciated.
Michael




Well, I think the CG-4 is the same mount head as the Astroview. The tripod is a different story, as it uses the same tripod as in the EQ-G Sirius (I got both the CG-4 and the Sirius).

The SVP mount head is like the CG-5 head, but the CG-5 tripod legs are 2" instead of 1.75" (CG-4, Sirius).


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