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Old 20-08-2013, 10:38 AM
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h0ughy (David)
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MORAVIAN G2-8300ccd WITH EXTERNAL FILTER WHEEL OR QSI 683WS- 8 ccd

Ok I know I shouldn’t do it but I can see I have to - my cooled 40D’s are too expensive to repair – so now might be the time to bite the bullet.

Which one do I get?

The QSI is $5299 plus filters

The Moravian is $2999 with a 5 x 2” filter wheel internal plus filters

now the other question was can i get away with 1.25" filters or do i have to get 2" filters when imaging wiht this chip?

Scopes that this will be used on are an ed80, 127ED, C11, C8 and a meade 14" ACF, and maybe a canon lens or two


given the location at home i need to move this way?
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Old 20-08-2013, 10:58 AM
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PRejto (Peter)
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I own the G2-8300 with internal filters. It is a fine camera. My only reservation is the state of current drivers. It has native drivers for AstroArt and MaxIm, but not TheSkyX. ASCOM works erratically with TSX but fine in other programs. Moravian promises an X2 driver for TSX but it has been "delayed." If you don't need TSX support than I think it's an excellent choice with very good cooling.

BTW, you need 31mm unmounted filters, not 1.25" in this camera. At least this was the recommendation. You might get away with 1.25" but I wouldn't want to test this. 31 mm unmounted are available from Astronomik and Astrodon and probably some others.

Feel free to contact me if you need some other help.

Peter
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Old 20-08-2013, 11:06 AM
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Quote:
Originally Posted by PRejto View Post
I own the G2-8300 with internal filters. It is a fine camera. My only reservation is the state of current drivers. It has native drivers for AstroArt and MaxIm, but not TheSkyX. ASCOM works erratically with TSX but fine in other programs. Moravian promises an X2 driver for TSX but it has been "delayed." If you don't need TSX support than I think it's an excellent choice with very good cooling.

BTW, you need 31mm unmounted filters, not 1.25" in this camera. At least this was the recommendation. You might get away with 1.25" but I wouldn't want to test this. 31 mm unmounted are available from Astronomik and Astrodon and probably some others.

Feel free to contact me if you need some other help.

Peter
any pics of the camera and filters Peter? would the 1.25 cause vignetting?

i see there are now external filter wheels for these cameras? no not using the TSX but would be ASCOMming it with either nebulousity or something else?
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  #4  
Old 20-08-2013, 12:51 PM
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What about a QHY9. Same chip, good ASCOM drivers, dual stage cooling. Worth considering.
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Old 20-08-2013, 01:09 PM
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What about a QHY9. Same chip, good ASCOM drivers, dual stage cooling. Worth considering.
so whats its reliability like?
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Old 20-08-2013, 02:35 PM
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David
I have the QSI583wsg and 1 1/4" Astronomic filters. Never missed a beat.
Allan
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Old 20-08-2013, 03:58 PM
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Dave,

I have the QSI683ws8 and 1 1/4" LRGB & NB Astronomic filters loaded in the 8 position wheel.

It works, easily hits -20 all year round and doesn't dew up. Best money I've spent on Astrophotography. Wondering if I should have spent a bit more to get the oag version upfront however I suspect I could replace the front cover if I wanted to go that way. Troy converted his 583ws5 to a 583ws8 without too much fuss.

Peter
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Old 20-08-2013, 05:26 PM
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+1 on the QSI 683 wsg-8 with astrnomik lrgbhas2o3 - well chuffed, if only the sky would clear. -20 all year, lightest weight, and beautifully integrated package. Worked straight out of the box.
Cheers,
Andrew.
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Old 20-08-2013, 06:20 PM
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Quote:
Originally Posted by h0ughy View Post
any pics of the camera and filters Peter? would the 1.25 cause vignetting?

i see there are now external filter wheels for these cameras? no not using the TSX but would be ASCOMming it with either nebulousity or something else?
I can't comment on the 1.25" filters. They may be fine but I'm using 31mm unmounted with no issue.

This camera also has dual stage cooling and I also get -20 all year without any problem.

What pictures are you looking for? Pictures using the camera or pictures of the camera? Some of my photos are here: http://www.pbase.com/prejto Please just keep in mind that I'm pretty new to imaging and I'm imaging with quite a bit of light pollution!

Peter
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Old 20-08-2013, 07:03 PM
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I've had it for a couple of years and it has been very good. Both camera and filter wheel have been ultra reliable. I don't have any web images, but there is some fantastic QHY9 images getting around, including a couple of APODs.

Check out some of this guys work!

http://www.astroanarchy.blogspot.com.au/

Anyway, you will buy what you want in the end. I just think you need to widen your search a bit.
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Old 20-08-2013, 08:21 PM
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Get the WSG - you know you want it!

DT
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Old 20-08-2013, 09:48 PM
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thanks for the replies so far. its hard to put together a comparison, price, value, build, weight, overall costs, software, support, reliability, filters......
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Old 20-08-2013, 10:17 PM
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Dave, getting narrow band filters into the wheel as well as LRGB is a real bonus. I had 7x36mm filters in my last starlight wheel on a qhy9 and it was great, but I think the QSI683 cameras can put the filters close enough to the sensor to do 7 or 8 x 1.25" filters. I believe they also have dual stage cooling so you can run the same temps all year round and you can get an OAG built in. I'd be going that way for an 8300 camera.

Last edited by Tandum; 20-08-2013 at 10:31 PM.
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  #14  
Old 22-08-2013, 08:22 AM
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Quote:
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Dave, getting narrow band filters into the wheel as well as LRGB is a real bonus. I had 7x36mm filters in my last starlight wheel on a qhy9 and it was great, but I think the QSI683 cameras can put the filters close enough to the sensor to do 7 or 8 x 1.25" filters. I believe they also have dual stage cooling so you can run the same temps all year round and you can get an OAG built in. I'd be going that way for an 8300 camera.
thanks Robin,

what would be the best way to match the camera to the scope if i was thinking about different camera? i own these scopes and would like a universal tool so to speak:

ed80, 127ED, C11, C8 and a meade 14" ACF
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  #15  
Old 22-08-2013, 10:06 AM
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You get what you pay for David. I have been using QSI gear for as long as they have been released. Great camera's low noise. Not as good as say the more expensive cameras, but solid and dependable. I don't know about the other camera, but you have seen my images taken with it. The extra filters in the 8 filter wheel is great.

QSI all the way.
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Old 22-08-2013, 10:10 AM
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BTW 683WSG-8 is the way to go. Cooling in winter -30C easy. Most of the time I use -25C. Summer still use -25C, just some nights are too hot for imaging anyway.
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  #17  
Old 22-08-2013, 10:44 AM
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Quote:
Originally Posted by Paul Haese View Post
You get what you pay for David. I have been using QSI gear for as long as they have been released. Great camera's low noise. Not as good as say the more expensive cameras, but solid and dependable. I don't know about the other camera, but you have seen my images taken with it. The extra filters in the 8 filter wheel is great.

QSI all the way.
so you are using 1.25" filters or 2"
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Old 22-08-2013, 03:28 PM
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The 683WSG8 uses 1 1/4 " filters. I use the 583wsg on both my 10" and 5" scopes. Works brilliantly with both of them with never a worry.
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Old 22-08-2013, 05:47 PM
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The 8 pos version probably wont suit the hyperstar though.
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Old 22-08-2013, 06:31 PM
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The 8 pos version probably wont suit the hyperstar though.
was never meant to Peter - that's a special setup just for some quick shots

when I learn to become a jedi light knight I will learn the ways of the force and how to collimate the hyperstar, and the Zen for flats....
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