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Celestron CR150 f/8 HD6 ?

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#126 Echolight

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Posted 22 May 2020 - 10:09 PM

Hope it makes it there this time!! Should be a great scope. They are classic scopes. Speaking of, here is one used as a finder on a 30 inch dob:

 

That's awesome!



#127 GOLGO13

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Posted 22 May 2020 - 10:35 PM

That's awesome!

That was a very memorable night. Perfect conditions, a fireball, crazy amount of details with the 30 inch dob on Saturn (so many moons), my friend's new 16 inch Telekit was rocking. And I just brought that little 80mm. Then we slept on the deck there and looked up. I remember seeing the double cluster naked eye and it was just magical. Nights like that are not common for me. Especially nowadays. I hope to get some dark sky viewing again. Actually, that wasn't even an extremely dark sky there (greenish). But the conditions were so good.  Of course I'd take a green sky nowadays.


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#128 Echolight

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Posted 22 May 2020 - 11:22 PM

That was a very memorable night. Perfect conditions, a fireball, crazy amount of details with the 30 inch dob on Saturn (so many moons), my friend's new 16 inch Telekit was rocking. And I just brought that little 80mm. Then we slept on the deck there and looked up. I remember seeing the double cluster naked eye and it was just magical. Nights like that are not common for me. Especially nowadays. I hope to get some dark sky viewing again. Actually, that wasn't even an extremely dark sky there (greenish). But the conditions were so good.  Of course I'd take a green sky nowadays.

That little 80 looks sweet. Something like that is next on my list. And then I'll be set for a good while...

As long as the C6R comes in.

 

I'm  hoping to find time to go to some darker sites this summer. A couple of hours drive in just about any direction should put me under some dark skies.

 

The old Nexstar 8 will be a decent knock about grab and go for the closer trips. But I'll want something with a wide field of view if I go somewhere special.

 

There are several International Dark Sky Parks here in Texas. I think the closest is probably three or four hours away at least. But I'd have to look up the classifications to verify.

 

My cousin is in West Virginia. Up at Harpers Ferry. It's a very beautiful state. And then there's this

https://youtu.be/6LPqK4Fr36c


Edited by Echolight, 22 May 2020 - 11:34 PM.


#129 GOLGO13

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Posted 23 May 2020 - 06:38 AM

Yes...it is quite beautiful here! We just moved here 3 years ago (hard to believe it's been that long). I love being so close to great fishing/hiking/mountains.

 

I agree it would be nice to have a little grab and go 80mm to pair with the C6R. They are nice for quick wide field views. And if you get an ED version, they do fairly well on the moon and planets. But of course aperture limited, so that has to be understood beforehand. They also seem to be pretty good cost wise. This one from our sponsor looks like a very nice value: https://www.astronom...ractor-ota.html

 

I no longer have that one in the picture (it was a William Optics 80mm FD on a Vixen Porta Mount). But I do have the Vixen 81s which is super nice (little pricier though). However, they come on the used market for good deals fairly often.

 

You live anywhere close to pan handle of Oklahoma? I went to a Star Party there called Okie Tex. It was pretty nice. I live too far from there now though. Here is a picture of my setup there:

 

DSC 0211

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#130 Echolight

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Posted 23 May 2020 - 07:21 AM

Yes...it is quite beautiful here! We just moved here 3 years ago (hard to believe it's been that long). I love being so close to great fishing/hiking/mountains.

 

I agree it would be nice to have a little grab and go 80mm to pair with the C6R. They are nice for quick wide field views. And if you get an ED version, they do fairly well on the moon and planets. But of course aperture limited, so that has to be understood beforehand. They also seem to be pretty good cost wise. This one from our sponsor looks like a very nice value: https://www.astronom...ractor-ota.html

 

I no longer have that one in the picture (it was a William Optics 80mm FD on a Vixen Porta Mount). But I do have the Vixen 81s which is super nice (little pricier though). However, they come on the used market for good deals fairly often.

 

You live anywhere close to pan handle of Oklahoma? I went to a Star Party there called Okie Tex. It was pretty nice. I live too far from there now though. Here is a picture of my setup there:

 

That's a real nice setup you have. Love that short 150.

And no doubt a mid size dob will come this way some day. Looks huge though. I'll have to build a new shed before I get something that large, because I'd want to store it assembled and acclimated. The refractors are pretty easy to store. And the C8 will likely stay set up most of the time.

 

I'm around Dallas. On the outer edge of suburbia. Looks pretty bright on the charts. I'm guessing 7.5 on the scale.

 

I think the closest registered dark sky site might be Enchanted Rock in the Hill Country of central Texas. I'm sure there's lots of good viewing up in the panhandle. And along the coast south of Corpus Chtisti. And West Texas out in the desert and mountains is probably best.



#131 GOLGO13

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Posted 23 May 2020 - 08:10 AM

That's actually a 5 inch Vixen 130SS ED refractor. I no longer have it, but it was a nice scope. Sadly had to sell it to fund other astro projects. 

 

This is the 6 inch F5:

 

Resized 20200427 201607 5198

 

The 6 inch F5 is a pretty specialized scope. I think your 6 inch F8 will do better on most situations. A more well rounded scope.


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#132 Echolight

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Posted 23 May 2020 - 01:28 PM

That's actually a 5 inch Vixen 130SS ED refractor. I no longer have it, but it was a nice scope. Sadly had to sell it to fund other astro projects. 

 

This is the 6 inch F5:

 

 

 

The 6 inch F5 is a pretty specialized scope. I think your 6 inch F8 will do better on most situations. A more well rounded scope.

The black with orange script will definitively match better with the rather largish grab and go I picked up this morning. Although a 130SS ED is kind of a fantasy of mine.

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#133 GOLGO13

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Posted 23 May 2020 - 02:11 PM

That's a beautiful scope! I had a 5 inch version of that at one point. It was an awesome scope.

#134 Echolight

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Posted 27 May 2020 - 07:31 PM

That's a beautiful scope! I had a 5 inch version of that at one point. It was an awesome scope.

Thanks! I think. I guess I might keep it around a while. 

 

That 6 inch f/5 looks terrific! Like a sports car! Really fast!

 

Speakin of fast... I got that four letter word "FAST ACHRO" in today!

 

My second order was cancelled by the shipper! I guess because my ship to address was different than billing address. And that always causes some confusion. Or maybe it was my bank thought it wasn't on the up-n-up so they declined it. I was just so fed up with it that I was just not going to mess with it anymore.

 

But then.... The original box came in today! It was beat to heck and looked like it had been around the world and retaped a time or two. They had already credited my account and requested that it be returned to shipper. But it came here this morning...and nobody tried to rebill me that I know of.

 

It had a nickel, maybe quarter size ding in the tube. And the ring bolts were bent. 

 

I don't know yet if they paid a claim and just brought it over and dropped it off on the porch or what.

 

This thing is HUGE!....but not too heavy.


Edited by Echolight, 27 May 2020 - 07:33 PM.


#135 GOLGO13

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Posted 27 May 2020 - 08:22 PM

Yep. It's a good sized scope. Very cool.

#136 gpsfool

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Posted 23 June 2020 - 09:28 PM

Let’s see a pic of the scope all mounted and ready for use! AND...  How’s it working out for you? 
 

Regards, 

Gpsfool


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#137 Echolight

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Posted 24 June 2020 - 09:45 AM

Let’s see a pic of the scope all mounted and ready for use! AND...  How’s it working out for you? 
 

Regards, 

Gpsfool

I love it. And the AVX is very simple to use.

 

Here it is next to the old Nexstar 8 that I bought when I thought the C6R would never show up. 

 

The big refractor is my preference between the two.

 

I've been debating on which 2 inch diagonal to update it with. And someday down the line will likely upgrade the focuser.

And a right angle finder would be nice also. 

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Edited by Echolight, 24 June 2020 - 09:50 AM.

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#138 sunrag

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Posted 24 June 2020 - 01:52 PM

I just bought a used Celestron CR150/HD6 from a nice CN member here. I am able to put it on my CG-5 mount no problem. One of the reasons i got this was to evaluate my own ATM build 150mm/F8 using an ES AR-152 objective i got last year. Happy to report that while the Celestron CR150 gives tack sharp views of stars, my own crude build is not too far behind. In fact i could not tell much difference at all.

I love to look through refractors (looking from either end, as i like seeing the baffles as much as the night sky).

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Edited by sunrag, 24 June 2020 - 01:54 PM.

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#139 gpsfool

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Posted 24 June 2020 - 02:01 PM

Echolight - Nice looking scopes - I hope you have lots of fun with them.

 

There is one here on CN for sale not far from me -  it’s been causing me to itch for a few days now. 
 

They remind me of a big Potato Cannon I once had - haha.

Regards,

Gpsfool


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#140 Echolight

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Posted 24 June 2020 - 02:58 PM

Echolight - Nice looking scopes - I hope you have lots of fun with them.

 

There is one here on CN for sale not far from me -  it’s been causing me to itch for a few days now. 
 

They remind me of a big Potato Cannon I once had - haha.

Regards,

Gpsfool

Thanks. I've been considering trading off the Nexstar 8 to try and get a little 80 to 90 ed refractor for a grab and go. But I should maybe give it a little more time.



#141 clearwaterdave

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Posted 24 June 2020 - 08:19 PM

Here is my answer to the mount problem.,I built this because I didn't like being perched on a stool or sitting on the ground using my frac's.,I wanted to sit comfy and have the eyepiece come to me.,This holds my AR 127 very steady,.and I think would do fine with a few more pounds.,It's outside and ready to go.,I put the cradle and scope of choice on an it's good to go.,Food for thought for a good mount for a 6"f8.,

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#142 gpsfool

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Posted 28 June 2020 - 09:54 PM

All this talk about the C6R - I pulled the trigger. A short drive down the thruway to meet up with a fellow CN’er and I’m now a proud owner of my very own vintage CR150 yard cannon.  Yea they are big and hefty.  No real first light yet, although I did look at the moon in daylight with it, mounted on a EQ6-R.   The Moon was near zenith so, yea you guessed it, I was down on the ground looking through the eyepiece.  
 

Yea the focuser is a bit, um, how shall I say....  unpolished; but it works.  I’m going to hot glue a jar lid to the focus knob for a bit more control.

 

Clear Skies,

 

Gpsfool


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#143 Echolight

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Posted 28 June 2020 - 11:06 PM

All this talk about the C6R - I pulled the trigger. A short drive down the thruway to meet up with a fellow CN’er and I’m now a proud owner of my very own vintage CR150 yard cannon.  Yea they are big and hefty.  No real first light yet, although I did look at the moon in daylight with it, mounted on a EQ6-R.   The Moon was near zenith so, yea you guessed it, I was down on the ground looking through the eyepiece.  
 

Yea the focuser is a bit, um, how shall I say....  unpolished; but it works.  I’m going to hot glue a jar lid to the focus knob for a bit more control.

 

Clear Skies,

 

Gpsfool

Cool. The new ones must have an aluminum dew shield. It's very light and I was able to balance it and extend the tripod high enough that I don't have to get too low.

Still want to add a heavier focuser and diagonal to get a little more rear balance. And a short pier for the AVX.



#144 Echolight

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Posted 25 July 2020 - 09:53 PM

I've heard this, time and time again. It might even be true, but despite that, my 6" f/8 S-W achro beat the snot out of my 8" SCT for planetary details and double stars almost every single night.

 

And I fuzzed endlessly over that SCT. Collimated it every night at 400x, had it outside for hours to cool down, etc. The achro I could just take outside, and bam! Twenty minutes later, I could observe Mars at 200 - 250x and see loads of details. It was just a much less frustrating experience overall. 

 

 

Clear skies!
Thomas, Denmark

This is exactly my experience so far.



#145 Echolight

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Posted 25 July 2020 - 10:32 PM

Congrats on the purchase.  Now that you've got one on the way, I would suggest you shop and buy a new dewshield for the scope; I bought an Astrozap flexible shield for mine - if I recall correctly it was the AZC5 at Scopestuff.  Reason being the stock dewshield is a 2lb steel weight, which is excess and unnecessary weight up top.  Removing the stock shield for something lighter shifts the CG back some allowing you to move the scope a little higher in the saddle.

 

As for the pier extension, I very much appreciate mine, as it allows me to keep the legs retracted and adds needed weight down low, making it more stable, and it keeps the scope away from the legs.  Before adding the extension, I always had to watch my goto's to ensure my focuser wasn't going to run into a tripod leg.  That said, the AVX is different than all the other previous Celestron/Synta mounts, even the CG5 it replaced.  The coupling between mount and tripod are different.  If you order an extension (which is a three piece assembly, tube and two endcaps) you'll have to find someone to fabricate two new aluminum endcaps which perform the coupling.

Turns out that my new C6R has a lightweight dewshield. Aluminum I think.



#146 tommy10

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Posted 25 July 2020 - 11:44 PM

I had a CR6 for 14 years, fought the CA wars with filters, aperture mask, etc, . I finally bought a cheap 8 inch dob and haven’t used the refractor at all since in the last three years, The views are somewhat similar, but seeing a white Jupiter  red grs and brown and tan bands with blue festoons beats the Cr view with purple haze, grape bands,. The CR-150 is a huge PIA, heavy , I had to buy pads to slow the vibrations, the scope is a windsock, useless in any breeze at all, if you have to move the scope .it is a back breaker with scope, mount, and heavy weights . Anything high in the sky means laying on the ground, you have to stand up to view stuff near the horizon. The dob is a breeze to use , carry the tube, set it in the cradle and sit down comfortably and observe all night .move the scope around, no problem.


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#147 Echolight

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Posted 26 July 2020 - 10:04 AM

I had a CR6 for 14 years, fought the CA wars with filters, aperture mask, etc, . I finally bought a cheap 8 inch dob and haven’t used the refractor at all since in the last three years, The views are somewhat similar, but seeing a white Jupiter  red grs and brown and tan bands with blue festoons beats the Cr view with purple haze, grape bands,. The CR-150 is a huge PIA, heavy , I had to buy pads to slow the vibrations, the scope is a windsock, useless in any breeze at all, if you have to move the scope .it is a back breaker with scope, mount, and heavy weights . Anything high in the sky means laying on the ground, you have to stand up to view stuff near the horizon. The dob is a breeze to use , carry the tube, set it in the cradle and sit down comfortably and observe all night .move the scope around, no problem.

I guess the CA doesn't bother me. And mine is pretty stable on the AVX mount. And the goto and tracking are terrific for a rookie in a light poluted back yard watching mostly high magnification targets.

 

Also, an 8 inch dob won't fit in my backyard storage box without taking the base apart. So I'd have to store it inside and then wait for it to acclimate to the temperature. And wonder if the particle board and mirror coating will hold up for 14 years.

But I'd still like to try an 8 inch dob.

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Edited by Echolight, 26 July 2020 - 11:34 AM.

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#148 Rutilus

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Posted 26 July 2020 - 02:47 PM

I had a CR6 for 14 years, fought the CA wars with filters, aperture mask, etc, . I finally bought a cheap 8 inch dob and haven’t used the refractor at all since in the last three years, The views are somewhat similar, but seeing a white Jupiter  red grs and brown and tan bands with blue festoons beats the Cr view with purple haze, grape bands,. The CR-150 is a huge PIA, heavy , I had to buy pads to slow the vibrations, the scope is a windsock, useless in any breeze at all, if you have to move the scope .it is a back breaker with scope, mount, and heavy weights . Anything high in the sky means laying on the ground, you have to stand up to view stuff near the horizon. The dob is a breeze to use , carry the tube, set it in the cradle and sit down comfortably and observe all night .move the scope around, no problem.

As always with these scope, there is broad range of quality.  My 6 inch Sky-watcher shows the color of the bands and festoons  

well. Over the years the GRS has changed from salmon pink to orange/deep orange, with the color showing well in my scope.

When the bands are more white, they have appeared as such. My scope shows a purple/bluish  haze around the planet, but it   

does not leach onto the bands.

Here are three drawings made back in 2010 when the SEB had all but faded to a ghostly greyish band.

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#149 delorehal

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Posted 26 July 2020 - 03:19 PM

These drawings are awesome, they look better than pics




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