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Equipment Discussions >> Classic Telescopes

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Stargoat
sage
*****

Reged: 04/10/05

Loc: Illinois
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5231601 - 05/20/12 10:25 PM

Quote:

Saturn is gorgeous! The only hybrid diagonal is a plastic one that came with a
90s tasco 60mm. At least the prism is glass! So I'm using that so I can use a favorite UO flat top 6.8mm ortho, that seems to show the
Most detail without losing contrast too much.

The mount
Is very stable. I can keep the planet centered while holding the ra cable and not jiggle the image.




Hello Tim,

I knew you would like the view thru the scope. Splitting double stars at or above the theoretical limit is a real treat in this scope.

The scope being f8 will perform it's best especially at higher powers using the best prism diagonal you can get. Unless I'm using 2" eyepieces. I use the Baader T-2 Prism Star Diagonal, best prism I've used. On good nights, 100+ per inch is no problem. The scope loves to be pushed to it's limit.

Enjoy,
Stephen


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Lew Chilton
Carpal Tunnel


Reged: 10/20/05

Loc: SoCal
Re: Tak FC76 on P2 mount, 1982 new [Re: Stargoat]
      #5231914 - 05/21/12 03:07 AM

Tim,

Clint (Caveman) told me about your acquisition while we were observing the eclipse out in east Palmdale earlier today. Now I see what he was talking about when he said what an amazing find you made. Congrats!

(How was the eclipse from Cedar City?)

-Lew


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TxStars
Pooh-Bah
*****

Reged: 10/01/05

Loc: Lost In Space
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5232105 - 05/21/12 09:06 AM

Great find. Congrats
I think you might still be able to get the R.A. drive from Tak.


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: TxStars]
      #5232133 - 05/21/12 09:34 AM

Thanks for the congrats everybody. LGM, by all means you can have as many peeks as you want! Thanks for posting about it. I wouldn't have even seen the ad, because I search for "telescope" in the title and with pics (tired of sorting through all those car ads with telescoping steering columns!), and the seller didn't have "telescope" in the title. Only "Takahashi FC-76 refractor"! Yikes!!

We saw the eclipse from about a mile south of the centerline south of Newcastle, about a half hour west of Cedar City. Tim Hogle had scouted out a spot off the road on a dirt road up the side of a hill about 200 feet above the floor of the valley. We had a completely clear, cloudless, good seeing view of the entire event! Fourth contact occurred seconds before the sun started to set! I caught the whole thing with my Coronado Solarmax II on a super polaris mount with iOptron Gotonova kit installed, using a Pt Grey Scorpion 2MP firewire monochrome camera and Astro IIDC on my Macbook Pro. I set it to take a frame per second, and so the 16-bit video is about 34GB and over 7000 frames (I set it to take a 10000 frame video just in case, and simply stopped it when the sun disappeared below the horizon). At the very end, the gotonova HC beeped and said that the scope was pointed below the horizon, and it stopped tracking! So for that segment, I had to hit the RA fast button to keep the sun centered.

I also set up the Tak so people could watch the event in white light. I didn't make a full-aperture filter, just one over the hole in the center of the lens cap. But the definition on sunspots was amazing, and the scope got used continuously by others in my party throughout the eclipse.

I've got to drive to Tahoe today, but will try to process some of the video tonight and post it in the Solar forum. Maybe even my facebook page!

-Tim.


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5232144 - 05/21/12 09:43 AM Attachment (41 downloads)

Here's a teaser screen capture, though:

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5232736 - 05/21/12 03:58 PM

So I'm amazed I get signal out here. Hwy 50 about 100 miles wear of Eureka in the middle of East Jesus!

We were lucky yesterday. Clouds are rolling in from the west

Tim


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5233297 - 05/21/12 10:42 PM

Quote:

Here's a teaser screen capture, though:




That's a 10!


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Nave
Pooh-Bah


Reged: 02/23/10

Re: Tak FC76 on P2 mount, 1982 new [Re: Datapanic]
      #5233379 - 05/21/12 11:44 PM

Are those solar flares visible at 3 o'clock and 4:30 (and 2:30, for that matter)?

Awesome.


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: Nave]
      #5233772 - 05/22/12 09:47 AM

Yes.

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5238268 - 05/25/12 12:22 AM

So, I'd like to take this puppy with me to RTMC tomorrow, but I don't know if I will.

I've been looking for accessories for it online, but no luck. No RA drives, no 1 1/4" visual back or extension tube (better still would be 2" adapters).

The scope has a nice camera bracket built into the tube clamp, and I've got this great old Meyer Optik 300mm lens that I could probably turn a 1 1/4" adapter to fit one of my firewire cameras. If I had a 1 1/4" visual back for the Tak, I could mount the clamp ring to a dovetail plate or directly to the EM-10 mount and guide with the Meyer Optik and image with the Tak while I'm at RTMC.

But I might just take one of my classic buddies up there instead... ...but which one?

-Tim.


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jwaldo
Smart Mime
*****

Reged: 04/26/04

Loc: Simi Valley, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5238300 - 05/25/12 01:10 AM

Now that's a pretty telescope! You'd better bring it to CSPAMP. Mars has been around for a few billion years, I think it can wait a while longer

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: jwaldo]
      #5238796 - 05/25/12 11:21 AM

My scope is identical to the one in the center picture here, but with the short tripod and pier extension of the left picture, from 1981 (though mine is 82, based on the serial numbers on the scope and mount):

http://www.astrosurf.com/re/taka_telescopes_1981-01.jpg

I still don't know where to find a drive for it, though. Would love to ad one!
-Tim.


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5238802 - 05/25/12 11:25 AM

Oops, sorry. more like this:

OTA and finder = center pic
Mount - right pic
Pier extension and tripod - left pic

Oh, the humanity!

-Tim.


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5244656 - 05/28/12 08:54 PM Attachment (33 downloads)

It was cold Friday and Saturday nights at RTMC, and I left Sunday evening (even though the weather was beautiful then!), so I didn't set up the Tak there.

I did set it up this afternoon, though, so I could fiddle with it this evening. Here it is with a white light solar filter and the Vixen 1 1/4" adapter, Lumicon diagonal, and flat-top UO Orthos, all lined up and ready to gee whiz with!

I think they like it there!


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5244658 - 05/28/12 08:55 PM Attachment (33 downloads)

A tad closer shot

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5245380 - 05/29/12 10:34 AM Attachment (21 downloads)

In the dark

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Dave M
Postmaster
*****

Reged: 08/03/04

Loc: Ohio
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5245402 - 05/29/12 10:43 AM

Tim, How does those University Flat tops perform in the scope ?

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: Dave M]
      #5245421 - 05/29/12 10:54 AM

They work very well. But I have to admit, the Tak .965s work just as well. I only wish I had more of them, and/or a Tak barlow.

One thing I might do is experiment with imaging with the .965 adapter and an adapter for my Flea2 camera to fit that. Since the ccd in the flea2 is 1/3", it shouldn't matter that the aperture is .965, so long as the tube wall isn't too thick.

-Tim.


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Tak FC76 on P2 mount, 1982 new [Re: tim53]
      #5253237 - 06/03/12 11:14 AM Attachment (23 downloads)

I forgot to post this pic of the setup and site near Newcastle, Utah, where I imaged the annular eclipse on May 20th.

Edited by tim53 (06/03/12 11:16 AM)


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Venus transit, 2nd contact, Tak 76 new [Re: tim53]
      #5258084 - 06/06/12 11:51 AM Attachment (22 downloads)

Here's 2nd contact with the Tak 76, taken from a video sequence that started just after first contact. I had the Tak stopped down with the filter over the opening in the lens cap for this. Later, I took that off and made a full-aperture filter.

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