what would you do? (advice/opinions please)

spearo (Frank) · #1 27-02-2006, 06:46 PM

Hello again,

I continue with my struggling research of the "perfect" buy in the multidimentional matrix of options/factors to consider when it comes to selecting the "right" telescope/mount/GOTO/imageing/autoguiding combination for me.

Please tell me what you think of this (yes you may assume I'll stick a camera on the system (hopefully in time a light weight cooled ccd, and we can assume i'm straying from fork mounts a bit as tempting as they are...they do look sooooo cool):

1) I am considering buying a Skywatcher 10" on EQ6 with skyscan GOTO SW252SKY (about $3k). In time i may put an Advanced Ritchey Chretien 10" (maybe 12") as prices fall (another $3300 ?). This will enable me to master the basics and yet have a good enough mount to "upgrade" later keeping the total somewhat reasonable.

1a) Alternatively I am considering the LXD75 SN 10" (aprox $2800)
but not sure if the mount would support later "upgrade" and how well it compares with an EQ6 GOTO. Not sure about future autoguiding limitations. But it just looks soo nice!

2) Or should I get the C11 SGT XLT with starbright coatings ($4500)
not sure how good the mount is. Not sure if all C11 OTAs are as good as each other. This would forfeit my option of eventually upgrading to a Ritchey Chretien (not enough in the coffers...). Not sure how the C11 of this SGT would compare with a RC 10".

I'm also unclear as to whether or not there is a difference between EQ6 and HEQ6 (Google search doesnt give much, only write up i find of HEQ6 describes EQ6-suggests terms are interchangeable). I'm assuming HEQ6=EQ6.

I'll leave the quagmire of camera/CCD/autoguiding options for another post (unless I get seriously flammed for the above questions, in which case i'll just go and buy equipement blindly!)

Any ideas/suggestions/coments (and offers of donations-kidding) will be most welcome.
Thanks
I really appreciate (and trust) all the input i read on this site.
Boy am I glad I discovered it BEFORE committing to anything!
Hurry! The astrobug has got me bad and I'd like to purchase something that could be delivered (and mastered) yesterday...

Spearo

davidpretorius · #2 27-02-2006, 07:14 PM

let me look at one of my mates c9.25 this weekend, chew the fat and see what i think from a dobbers point of view. in a few years i will be going over to the dark side!

Miaplacidus (Brian) · #3 27-02-2006, 07:21 PM

Sorry, Spearo, I have no recommendations. But I just have to post. That last comment from Dave just made me cough up my beer.

[1ponders] (Paul) · #4 27-02-2006, 08:01 PM

C9.25 before a C11. RCOS would leave the C11 for dead and for the price it should. Not even in the same ball park.

If you are thinking of a RCOS then to do it justice you need to be thinking up a level in the mount area. Hve you checked out Brad Moores new RCOS thread? Get ready to hock your house.http://www.iceinspace.com.au/forum/s...highlight=RCOS

EQ6 V LXD75?? EQ6

I'd be considering EQ6 V Losmandy G11 rather than LXD75. Nothing wrong with them (LXD75) as mounts but from what I have read and seen and compared my order from first to last would be G11, EQ6, LXD75

At this stage go the Skywatcher on the EQ6. If you do decide to get the RCOS then you will still have a good travel mount and scope

Striker (Tony) · #5 27-02-2006, 08:58 PM

Surely your not considering a true RCOS like Brad Mores....I think you might be considering the meade RC series which arn't a true RC anyway.

If you are considering a true RCOS I wouldn't even think of a g11...thats a $20000 scope on a $5000 mount...well out of balance....you would be better of with a much cheaper scope and spend the money on the mount...go the paramount ME.

But like I said I think your meaning the Meade series so all what I said above means nothing....lol

BTW...no such thing as a HEQ6...their all EQ6's even the pro version.

You cant go wrong with C9.25 on the heaviest mount you can afford...preferable a G11.

acropolite (Phil) · #6 27-02-2006, 09:08 PM

I would tend to agree with Tony, maybe the RC LX200 OTA only on a G11, or C9.25

JohnG (John) · #7 27-02-2006, 09:09 PM

Hi

You do realize that a 10" RCOS is $14,100 USD just for the OTA, then you got to add the extras. Then the mount, nothing less than a SB Paramont would do a rig like that justice.

I think a little more research and a real good look, and I also mean look through other peoples rigs is in order so you can get an idea as to what you really want, I think I said in a previous post that Astroboy is just up the road from (Lake Bathurst) give him a call, I am sure he would show you what he has.

JohnG

Lester · #8 27-02-2006, 09:46 PM

I'wd say get the best you can afford, and don't skimp on the mount. If you are going to be using it within a observatory then wind buffering the telescope won't be an issue.

From my limited understanding the RC type is only an advantage when photographing or viewing at wide field over the SCT. But if you want the best then go for the true RC= their images are stunning. Haven't seen anything done by the Meade RC as yet.

Good luck.

spearo (Frank) · #9 28-02-2006, 12:04 AM

Thanks everyone and Paul,
BTW, I am surprised anyone thought i might mean the RCOS...my fault i should have specified, I was thinking OTA of the "meade 200r RC"
no way in the world I will ever, ever, ever be able to afford an RCOS (not to mention that it would be seriously wasted on someone like me!).

Thanks for all the info this already helps a lot. The input re the 9.25 is now opening up new considerations for me as I'd never even considered it before but sounds really good/excellent from the info here and elswhere.

It's narrowing it down!
I couldnt wait to come and read the replies! I feel like I'm getting somewhere now.
Thanks heaps
Spearo

[1ponders] (Paul) · #10 28-02-2006, 10:19 AM

From what I have read and heard the 9.25 is considered by many to be the "pick" of the SCTs for imaging. I know of a number of imagers who had a C11 only to "down scale" to the 9.25. Particularly the carbon fiber one.

spearo (Frank) · #11 01-03-2006, 10:12 PM

Thanks everyone,
This has been unbelievably helpful.
I have made my mind up and I'll go for the C9.25 for my first proper scope.
I'm hunting down the best deal.
Who knows I might even try to get it for the weekend (I wasn't kidding ...I want it yesterday!)
Thanks for all the excellent and quick advice.
I'll let you know when I get it.
Cheers
spearo

Robert_T · #12 01-03-2006, 10:48 PM

Quote:

Originally Posted by spearo

Thanks everyone,
This has been unbelievably helpful.
I have made my mind up and I'll go for the C9.25 for my first proper scope.
I'm hunting down the best deal.
Who knows I might even try to get it for the weekend (I wasn't kidding ...I want it yesterday!)
Thanks for all the excellent and quick advice.
I'll let you know when I get it.
Cheers
spearo

Hey Spearo, you might want to try Andrews COmmunications - they were by far the cheapest when I bought my C9.25, especially if you're looking to buy just the OTA separately.

cheers,

ausastronomer (John Bambury) · #13 01-03-2006, 11:08 PM

Quote:

Originally Posted by [1ponders]

From what I have read and heard the 9.25 is considered by many to be the "pick" of the SCTs for imaging.

Paul,

This is because the primary mirror in the C9.25 has an F-Ratio of F2.5 whereas all other SCT's made by Celestron and Meade use an F2 primary. The primary mirror in a SCT is spherical and the slower primary mirror offers a flatter field. The C9.25 is also my pick of all portable SCT's for visual work also.

Nice choice Spearo, you will love it. Stick it on the best mount you can afford and I would recommend looking for a used Losmandy G11.

CS-John B

spearo (Frank) · #14 02-03-2006, 09:03 PM

Robert_T and Ausastronomer,
Thanks
I am going to Andrews tomorrow morning (day off work). A nice 3.5 hour driev to go get the 9.25.
I wont be getting the carbon fibre one i dont think but the generl package deal with CG5 goto etc.
I'll start off with this mount and spend the rest of my cash on descent eye pieces and possibly a cooled CCD (anyone wanna donate an SBIG?).
I reckon that the light weight of a cooled CCD will make up for the weight factor of the heavier non-carbon fibre tube.
Anyways,
In time i'll no doubt upgrade the mount, probably to a G11 when I win the lottery.
Cant wait to get the scope, hope it all works ok!
Thanks everyone,
It has really made a difference getting all your input and I feel I can trust Andrews based on all the good feedback in the group here.
Ill let you know how I go, hopefully with some pics too!
cheers
Spearo

Robert_T · #15 02-03-2006, 09:24 PM

Good Stuff Spearo, you'll find the metal tube not much heavier than the carbon fibre anyway. I deliberately wanted the metal tube because they cool quicker. The CG5 Goto should be fine to start, I use my C9.25 on a Meade LXD75 which is much the same.

cheers,

Quote:

Originally Posted by spearo

Robert_T and Ausastronomer,
Thanks
I am going to Andrews tomorrow morning (day off work). A nice 3.5 hour driev to go get the 9.25.
I wont be getting the carbon fibre one i dont think but the generl package deal with CG5 goto etc.
I'll start off with this mount and spend the rest of my cash on descent eye pieces and possibly a cooled CCD (anyone wanna donate an SBIG?).
I reckon that the light weight of a cooled CCD will make up for the weight factor of the heavier non-carbon fibre tube.
Anyways,
In time i'll no doubt upgrade the mount, probably to a G11 when I win the lottery.
Cant wait to get the scope, hope it all works ok!
Thanks everyone,
It has really made a difference getting all your input and I feel I can trust Andrews based on all the good feedback in the group here.
Ill let you know how I go, hopefully with some pics too!
cheers
Spearo

matt · #16 02-03-2006, 09:46 PM

You won't be disappointed. It's a beautiful scope.

Welcome to Club 9.25

Get Bob's Knobs fitted as soon as you can and definitely have a look around for a mount to do it justice.

Best of luck and enjoy the journey.

g__day (Matthew) · #17 03-03-2006, 08:54 PM

Good question, suggest you look here http://www.iceinspace.com.au/forum/s...ead.php?t=8135

Cause I've listed all the mounts, there retail prices, carrying capacities and Peroidic error (pointing ability) along with typical OTA weights.

If you're considering astro imaging than a equatorial goto mount is preferrable, with auto guiding if you will consider long exposure shots. So a EQ6 + skyscan $2,100 is probably the bottom of your line up. The Losmandy GM-11 + Gemini Go To at $5,000 is probably the options your more suited to, else a Celestron CGE mount.

spearo (Frank) · #18 06-03-2006, 11:56 PM

Thanks folks,
I'll let you know how I go on the steep learning curve
I think the scope doesnt come with a polar scope, Anyone know the best deal on an illuminated polar scope that fits the CG% goto mount of this scope?
Spearo
(why noone has designed a polar-self-aligning mount is beyond me...)

[1ponders] (Paul) · #19 07-03-2006, 12:03 AM

Quote:

(why noone has designed a polar-self-aligning mount is beyond me...)

What and take all the fun out of it?

spearo (Frank) · #20 10-03-2006, 09:31 PM

Hello everyone,

Well, it's done. I've acquired a C9.25 GOTO CG5 XLT from Andrews Comm.
Works like a charm, The visual is beautiful (Saturn and M42 are just amazing) and the mount is great.
I can tell I have a steep learning curve ahead of me before i get some descent pictures but that's half the fun of it I reckon!

By the way, I am glad I got your advice in regards to the C9.25 and where to get it.

I recommend Andrews for their very professional service, expert advice and prompt communications with me (Mr Andrews replied to all my emails on the same days I sent them!)
BTW, Andrews staff now include a pro from another shop (good to see poaching is alive and well!), he knows his stuff and is very good with customers.

Thanks to everyone

Spearo