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Equipment Discussions >> Cats & Casses

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Ennis
scholastic sledgehammer


Reged: 09/11/06

Loc: The Outer Limits
Re: Have telescopes made a big step forward, or BACK new [Re: NewAstronomer]
      #5130199 - 03/19/12 11:54 AM

"We need a good GEM mount that is lightweight and has a legitimate 40-50 pound capacity that 'just works' without tinkering or error codes etc. I think Astrophysics calls it a Mach1 GTO....but for the rest of us...no such luck."

I have found the Losmandy GM 8 and G-11 equatorial mounts to both be excellent right out of the box. The machining is at a higher level than Celestron, Meade, etc., too.


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Dwight J
sage
*****

Reged: 05/14/09

Loc: Lethbridge, Alberta, Canada
Re: Have telescopes made a big step forward, or BACK new [Re: Ennis]
      #5130384 - 03/19/12 01:43 PM

Yes, I harken back to the good old days when I set up my tuning fork C8 and drift aligned forever so I could squint into the guiding eyepiece and stand still for hours on end hoping the focus was good, that the object was framed well, and the guiding went well while trying to stay warm in subzero temps. Then I looked forward to waiting for the developed film to look at the 3 keepers I got out of that roll of 36 that took 6 months to use. I also enjoyed hauling that big dob out with a buddy because it took two to carry it and then loading the big monster back onto the truck when we were tired and drive an hour home. My favorite part was when my eyelashes froze to the eyepiece. On the serious side, the tech advances couldn't have come at a better time as I age as they keep me into the hobby as much as the good old days. Even my eyepieces are gathering dust as I use a Mallincam now to observe. My buddy has glaucoma now and can't see $&@& in the eyepiece anymore but he can see the image on the TV screen just fine. Without tech advances he would be outta luck and I may have observed 10 X a year instead of almost every clear night now. More capability for less money works for me! My C8 cost $2000 in 1983 dollars.

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Jon Isaacs
Postmaster
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Reged: 06/16/04

Loc: San Diego and Boulevard, CA
Re: Have telescopes made a big step forward, or BACK new [Re: Patrick]
      #5130521 - 03/19/12 03:04 PM

Quote:

My truss newt by comparison is a PITA to setup and use. It's heavy and awkward, and assembling and collimating it is literally a pain in my back. It's anything but simple. Then, actually using it is also painful. Where is that object? I can starhop to where it should be, but where is it?




How long does it take to setup your Truss Newt? It takes me 10 minutes to setup either my 12.5 inch or my 16 inch and that is starting with the scopes disassembled sitting on the bed of the motor home.

How heavy is your truss Newtonian? I see the CPC-1100 weighs 65lbs... That's more than the assembled OTA of my 16 inch Dobstuff Dob. The 12.5 inch OTA is about 50 lbs assembled.

Just kind of wondering.

Jon


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teskridg
Pooh-Bah


Reged: 01/15/08

Loc: PA
Re: Have telescopes made a big step forward, or BACK new [Re: Jon Isaacs]
      #5132391 - 03/20/12 02:33 PM

What would a 70's era orange C8 with its manual mount sell for in 2012 dollars? If memory serves, they were a fortune back then. I have a CPC-1100 now; I observe with it on a Scopebuggy with the tripod collapsed at its lowest height, and vibration is minimal. I used to manually slew with an ETX-125 to find objects without goto and it was very interesting and informative, but very time consuming and frustrating. If my electronics fry, I can remount my SCT and move on with a goto GEM or perhaps an Ioptron, or have it serviced by Dr. Clay, or sell the OTA and buy another goto SCT. These are options unavailable in the 1970's because goto was unavailable then, too. Here in SC PA, I get one or two cloudless, moonless nights a month and also work during the day, so I don't have the time to search Ophiuchus or Monoceros for one blame dad gum object every 1/4-1/2hr. Give me goto or give me death! Tim

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amicus sidera
Carpal Tunnel
*****

Reged: 10/14/11

Loc: East of the Sun, West of the M...
Re: Have telescopes made a big step forward, or BACK new [Re: teskridg]
      #5133670 - 03/21/12 01:30 PM

Quote:

What would a 70's era orange C8 with its manual mount sell for in 2012 dollars? (snip)




Basic models were around $1000 back then, weren't they? According to the Inflation Calculator webpage, $1000 in 1978 dollars is equivalent to $3304.41 in 2010 dollars.

Improved manufacturing techniques and low Chinese wages tend to skew these results, I believe... probably a figure in the neighborhood of $2400, in today's dollars, would be a better approximation.


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amicus sidera
Carpal Tunnel
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Reged: 10/14/11

Loc: East of the Sun, West of the M...
Re: Have telescopes made a big step forward, or BACK new [Re: amicus sidera]
      #5133729 - 03/21/12 01:55 PM

It would appear that the divisions that began forming between amateurs when go-to instruments were first introduced has widened considerably over the intervening years. Not quite as pronounced as the crevasse between the APO crowd and everyone else, but significant nonetheless.

Excellent...


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rmollise
Postmaster
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Reged: 07/06/07

Re: Have telescopes made a big step forward, or BACK new [Re: amicus sidera]
      #5133752 - 03/21/12 02:06 PM

Quote:

It would appear that the divisions that began forming between amateurs when go-to instruments were first introduced has widened considerably over the intervening years. Not quite as pronounced as the crevasse between the APO crowd and everyone else, but significant nonetheless.

Excellent...




That threatened to happen, that there'd be a divide between go-to/no-go-to amateur astronomers like the code-no code divide between radio amateurs (which participants make the most ardent APO/no APO folks look like cotton picking WIMPS).

It took ham radio the better part of three decades to get over that and move on. Luckily it didn't take us near as long.

The go-to/no-go-to controversy is dead. Why? Amateurs voted with their feet--er..."eyes." Go-to has taken our avocation by storm. The number of even "simple" Dobs without go-to or at least DSCs is becoming ever smaller.

Why did we have an easier time with this conflict than the hams did? Maybe because astronomy is not regulated. Anybody who wants to be an amateur astronomer _is_ an amateur astronomer, and there are no rules as to HOW our avocation must be practiced. The majority saw the advantages of go-to, and even if they don't want to use it themselves, they are OK with other amateurs using it.

Yeah there are still a few curmudgeons who have their noses out of joint that novices don't have to pay their starhopping dues, but mostly you don't much hear their guff anymore. Maybe because most of 'em have their eyes on a go-to rig as the Next One.


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amicus sidera
Carpal Tunnel
*****

Reged: 10/14/11

Loc: East of the Sun, West of the M...
Re: Have telescopes made a big step forward, or BACK new [Re: rmollise]
      #5133798 - 03/21/12 02:26 PM

"The go-to/no-go-to controversy is dead."

And yet, it lives...


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Classic8
professor emeritus


Reged: 04/12/06

Loc: Naperville, IL, USA
Re: Have telescopes made a big step forward, or BACK new [Re: rmollise]
      #5134131 - 03/21/12 05:37 PM

Quote:

Quote:

It would appear that the divisions that began forming between amateurs when go-to instruments were first introduced has widened considerably over the intervening years. Not quite as pronounced as the crevasse between the APO crowd and everyone else, but significant nonetheless.

Excellent...




That threatened to happen, that there'd be a divide between go-to/no-go-to amateur astronomers like the code-no code divide between radio amateurs (which participants make the most ardent APO/no APO folks look like cotton picking WIMPS).

It took ham radio the better part of three decades to get over that and move on. Luckily it didn't take us near as long.

The go-to/no-go-to controversy is dead. Why? Amateurs voted with their feet--er..."eyes." Go-to has taken our avocation by storm. The number of even "simple" Dobs without go-to or at least DSCs is becoming ever smaller.

Why did we have an easier time with this conflict than the hams did? Maybe because astronomy is not regulated. Anybody who wants to be an amateur astronomer _is_ an amateur astronomer, and there are no rules as to HOW our avocation must be practiced. The majority saw the advantages of go-to, and even if they don't want to use it themselves, they are OK with other amateurs using it.

Yeah there are still a few curmudgeons who have their noses out of joint that novices don't have to pay their starhopping dues, but mostly you don't much hear their guff anymore. Maybe because most of 'em have their eyes on a go-to rig as the Next One.




I'm not THAT much of a curmudgeon! And for me it's more a matter of spending my days punching keys and looking at a screen, so I don't want to spend my nights punching keys on a keypad and looking at the little menu screens. Reminds me too much of work.


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ahlberto
Pooh-Bah
*****

Reged: 09/06/08

Loc: lisbon-portugal
Re: Have telescopes made a big step forward, or BACK new [Re: Classic8]
      #5134321 - 03/21/12 07:13 PM

Im a bit of a tech maniac like many guys here and i really like GO-TO.This weekend i will go to a messier star party and i can easely nab all messier objects(or those above horizon...) with a cheap but flawless Heq5 and mi C8.
Sometimes i just bring my dob with mi...


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Rick Woods
Postmaster
*****

Reged: 01/27/05

Loc: Inner Solar System
Re: Have telescopes made a big step forward, or BACK new [Re: amicus sidera]
      #5134339 - 03/21/12 07:25 PM

Quote:

"The go-to/no-go-to controversy is dead."

And yet, it lives...




Truthfully, I don't think it does. Nobody really cares any more. We all observe the way we enjoy it most, and nobody feels the need to justify anything any more.

It's all good.


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ahlberto
Pooh-Bah
*****

Reged: 09/06/08

Loc: lisbon-portugal
Re: Have telescopes made a big step forward, or BACK new [Re: Rick Woods]
      #5134378 - 03/21/12 07:43 PM

Indeed Rick,very true,-its all good

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rmollise
Postmaster
*****

Reged: 07/06/07

Re: Have telescopes made a big step forward, or BACK new [Re: amicus sidera]
      #5134479 - 03/21/12 08:42 PM

Quote:

"The go-to/no-go-to controversy is dead."

And yet, it lives...




For a few, yes, for a few...


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rmollise
Postmaster
*****

Reged: 07/06/07

Re: Have telescopes made a big step forward, or BACK new [Re: Classic8]
      #5134482 - 03/21/12 08:43 PM

Quote:



I'm not THAT much of a curmudgeon! And for me it's more a matter of spending my days punching keys and looking at a screen, so I don't want to spend my nights punching keys on a keypad and looking at the little menu screens. Reminds me too much of work.




You are only one if it bothers you SOMEONE ELSE DOES.


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Ira
Carpal Tunnel
*****

Reged: 08/22/10

Loc: Mitzpe Ramon, Israel
Re: Have telescopes made a big step forward, or BACK new [Re: rmollise]
      #5134533 - 03/21/12 09:18 PM

I just used a goto mount for the first time tonight in my 40 years as an amateur astronomer. It was really cool. Especially not having to worry about the object drifting out of the fov. You really do see more when you don't have to chase the object. And yet, I still plan to use my T-Rex manual alt-az mount. I like it for different reasons - simplicity, purity of design, purity of natural fluids...no, wait, that was from something else...

/Ira

Edited by Ira (03/21/12 09:19 PM)


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amicus sidera
Carpal Tunnel
*****

Reged: 10/14/11

Loc: East of the Sun, West of the M...
Re: Have telescopes made a big step forward, or BACK new [Re: amicus sidera]
      #5134648 - 03/21/12 10:51 PM

Apparently I expressed a viewpoint which deviates from the crowd - bad Amicus! Marginalization/ridicule accepted - after all, it's the only way I'll ever learn...

Seriously... people are, and should be, free to purchase whatever instrument they desire and can afford. If they insist on owning a whirring monstrosity of a go-to telescope, which robs them of a truly intimate knowledge of the heavens, they are welcome to it... all I request is that they use it out of my earshot, and to please ask someone else to locate a pair of guide stars for them.


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orion61
Vendor(Clear Edge Optical)
*****

Reged: 10/20/07

Loc: NW Iowa BURRRR
Re: Have telescopes made a big step forward, or BACK new [Re: amicus sidera]
      #5134785 - 03/22/12 12:31 AM

I think I may have found my personal favorite scope, I have 2 NexStars and a Big 12" LX200 I love em, the C's are quite bouncy but I have an old 70's C8, superb optics.
Then I put a JMI MiniMax hand held computer on it, WHY? Because I can unlock the cluches slew/Star hop enjoy, then if I have questions or am not sure of the object,
I use the computer.
I just get so bored with to constant Go-To, and the "tethered" felling, once aligned your are at the mercy of the scope,
no moving to the odd glow over there, etc.. (without GRINDING the motors) after about 30 minutes BORED.. This thread started with me, but not really... To explain, I came in one night and the Wife said,
"You have really been coming in early lately". Please let me clarify I thnk OTA's made now have really advanced the out of box satisfaction rating.
NICE opinions here tho... and this is all I wanted.
Reading and re-reading has opened my eyes a little, thanks to you guys
It's not about "me" or what I like, its about keeping the hobby alive and doing what we need as a " GROUP"
Just as all tech has evolved, I guess, I have to admit it
we need to as well.
But just think about it.. right now.. go look at your scope.
It is beautiful,
But they are like a Cat, you really never own them, you just become part of their lives.
Some day they your scope will belong to someone else..


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Patrick
Postmaster
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Reged: 05/16/03

Loc: Franklin, Ohio
Re: Have telescopes made a big step forward, or BACK new [Re: amicus sidera]
      #5134809 - 03/22/12 12:52 AM

Quote:

If they insist on owning a whirring monstrosity of a go-to telescope, which robs them of a truly intimate knowledge of the heavens, they are welcome to it...




I don't understand how this statement can really be true. We can get a truly intimate knowledge of the heavens in a lot of different ways, not just by starhopping. Anyway, starhopping may be one of the most tedious and difficult ways to learn what's up there. I've spent my fair share of time starhopping to faint blobs, and I can tell you I didn't learn that much in the process because a good portion of the time I've come up empty handed and unable to find the object. What do we learn during that process? Uh...the object may be there, but then again it might not be? Or, maybe it's too faint to see in my telescope and sky conditions? Or maybe I just didn't look in the right place after 30 minutes of searching. Hmmm....can you say 'frustration'?

No, gimme a good old fashioned goto telescope. Ahh, that's better. Now I can find the object I'm looking for without loosing any more hair.

Patrick


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Jon Isaacs
Postmaster
*****

Reged: 06/16/04

Loc: San Diego and Boulevard, CA
Re: Have telescopes made a big step forward, or BACK new [Re: Patrick]
      #5134961 - 03/22/12 07:01 AM

Quote:

Quote:

If they insist on owning a whirring monstrosity of a go-to telescope, which robs them of a truly intimate knowledge of the heavens, they are welcome to it...




I don't understand how this statement can really be true. We can get a truly intimate knowledge of the heavens in a lot of different ways, not just by starhopping. Anyway, starhopping may be one of the most tedious and difficult ways to learn what's up there. I've spent my fair share of time starhopping to faint blobs, and I can tell you I didn't learn that much in the process because a good portion of the time I've come up empty handed and unable to find the object. What do we learn during that process? Uh...the object may be there, but then again it might not be? Or, maybe it's too faint to see in my telescope and sky conditions? Or maybe I just didn't look in the right place after 30 minutes of searching. Hmmm....can you say 'frustration'?

No, gimme a good old fashioned goto telescope. Ahh, that's better. Now I can find the object I'm looking for without loosing any more hair.

Patrick




Patrick:

- I do not recommend Starhopping to anyone who doesn't enjoy Starhopping. This thing we do is a hobby and it is supposed to be fun.

I think for someone who does not truly enjoy starhopping, it is difficult to understand that some of us just really enjoy it. It's a different paradigm, a different mind set. If your goal is to look at specific objects from a list, GOTO is probably faster, at least in the beginning, and can allow you to spend more time looking at specific objects on that list.

For me, I just truly enjoy starhopping... I like the simplicity and freedom. I enjoy scanning the sky and "discovering" objects and identifying them rather than working only from a list. I enjoy digging back into my mind and finding an object once again by remembering exactly how to find it...

Starhopping, one learns the sky on a different scale, a different level, than one does using DSCs or GOTO. It maybe in bits and pieces, especially at first, but those bits and pieces slowly come together one develops an intimate knowledge of many parts of the sky, it is just a natural result of the process...

Last night I was able to zero in on the faint nebulosity in NGC 2467 in Puppis from my light polluted backyard. It's 30 degrees above the horizon at best and in the muck of light pollution. It is an object I had first "discovered" just wandering around from a dark site with a larger scope, but last night, with an O-III filter and my NP-101 I put it right in the eyepiece just because I knew exactly how to find it.

Rod likes to think that starhopping is unpopular and I imagine he is right for those who frequent this forum. In general "Cats and Casses" are poorly suited for starhopping because their long focal lengths and slow focal ratios make for narrow fields of view that typically are quite dim. The maximum well illuminated TFoVs associated with a C-8 are narrower than those of a 16 inch F/4.4 Newtonian...

Starhoppers typically choose fast scopes because they provide bright widefield views, an advantage both in locating a target but also well suited for just scanning the sky and looking around. The refractor forum and the reflector forum is where starhoppers are more likely to hang out. Starhopping ain't that big a deal with fast 4 inch refractor with a 4+ degree TFoV.

One of my favorite things to do is to just put in a ~30mm 2 inch widefield eyepiece in a fast Newtonian and just work my way in broad strokes through the summer Milky Way, the myriad of small objects, the valleys and mountains of nebulosity, it is just pure visual pleasure. It's like wandering around with a pair of binoculars, but those big bright views that are detailed on a fine scale.

So, if Starhopping is only a means to an end and not part of the joy of the observing, forget it, if it's not fun, it's not worth doing.

On the other hand, there are many who enjoy it. And it's not just us old geezers. My observing buddy, he's no luddite. If you have a CDMA phone, it is most likely he developed the lowest level software that talks to the actual silicon chips. He has a XT-10i, never used the Intelliscope.. My other buddy, he had a Nexstar 11. It's gone in favor of a big dob and some smaller Newts and refractors...

There are many ways to enjoy this hobby. Discovering what I enjoyed about amateur astronomy was really the key that transformed an enjoyable experience into a passion. Hopefully each of has been able to do that, whatever it might be.

Jon

P.S.: One doesn't spend 30 minutes looking for an object with GOTO, if you don't see it in a few minutes of looking, you know it is not there to be seen. The same is true of Starhopping.


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amicus sidera
Carpal Tunnel
*****

Reged: 10/14/11

Loc: East of the Sun, West of the M...
Re: Have telescopes made a big step forward, or BACK new [Re: Patrick]
      #5135009 - 03/22/12 08:00 AM

Quote:

Quote:

If they insist on owning a whirring monstrosity of a go-to telescope, which robs them of a truly intimate knowledge of the heavens, they are welcome to it...




I don't understand how this statement can really be true.(snip)




Pure opinion, as are the majority of my comments... true for me, but not necessarily true for anyone else. That said, I will always feel that much of value is lost, and very little of value gained, by use of a computer where one's mind and hands would suffice.


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