Best rig for beginner (suitable to Sky-Watcher AZ-GTi in equatorial mode)

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Carlos Rios avatar
Hi i have the az-gti eq mode and i have a 102-1300 maksutov, but now i want a deep sky telescope, i know the mount can only have  5kg weight, some recomendations?
Wonderweb avatar
Hi Carlos 

Alot depends on your budget. Something like a Redcat 51, a sharpstar 61 or a SW evostar 72 ed depending on what you want to spend woukd be ideal, along with a 533mc camera.
jratino avatar
I would say something in 60mm range. I used a William Optics Z61 for over a year with it. And easily got five minutes subs with it. There's quite a few options in that range.
astronomythecus avatar
I'm using an Askar 71F along with IMX585 and performs pretty well
Oliver Hext avatar
I have a Redcat 51mm on an AZ-GTI mount in EQ mode.  No issues.
phistiegler avatar
I did some stuff with Az-GTi in eq mode with a Lacerta 80/500… It worked but nevertheless I would recommend a short 72mm Apo at max (the Lacerta one is a fine piece if scope in my opinion).
Wonderweb avatar
To be honest, it all comes down to your pixel scale. I had a takahashi fs60cb on my azgti with either a 585mm or 533mm giving me a pixel scale of around 2 - 2.7 arcseconds per pixel and my azgti would merrily guide to around 1 - 1.5 arcseconds per pixel so I was good for up to 5 minute exposures no problem. 

If you're not looking at guiding with your rig, then, with a scope in the 250-400mm focal length range, and a camera with a pixel size of around 3-4 microns, you should be fine for 1 minute exposures unguided so long as you're polar alignment is good. You may end up throwing the odd sub away due to start trails but it shouldn't be too bad.
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dummieastro avatar
Askar 65 PHQ, Askar FMA 180 pro, Redcat 51.
Oscar H. avatar
Redcat 51
Aloke Palsikar avatar
As an alternative you can also look at Askar SQA 55 f/4.8  along with any OSC such as ZWO ASI M533 MC Pro.

It is quite price competitive as compared to Redcat with same performance
AstroRBA avatar
I would say something in 60mm range. I used a William Optics Z61 for over a year with it. And easily got five minutes subs with it. There's quite a few options in that range.

I use this combo as a travel scope (with an ASI294MC Pro and ASI AIR) - very easy to pack and set up etc.
Elwin Afman avatar
I use a poor mans RedCat:  Evoguide50 ED for imaging (and a ZWO585MC pro), great combination and cheaper than the RedCat.
Oscar H. avatar
Elwin Afman:
I use a poor mans RedCat:  Evoguide50 ED for imaging (and a ZWO585MC pro), great combination and cheaper than the RedCat.

OP will need to get the Starizona flattener for this one. Skywatcher FF doesn't allow the use of a filter drawer because it has only 17.5mm backfocus, if I remember correctly. Pretty sure OP would want to use a UV IR cut at least, because the 585 uses an AR window.
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Elwin Afman avatar
@oscas
Oscar H.:
Elwin Afman:
I use a poor mans RedCat:  Evoguide50 ED for imaging (and a ZWO585MC pro), great combination and cheaper than the RedCat.

OP will need to get the Starizona flattener for this one. Skywatcher FF doesn't allow the use of a filter drawer because it has only 17.5mm backfocus, if I remember correctly. Pretty sure OP would want to use a UV IR cut at least, because the 585 uses an AR window.

True, i use the new V3 EvoFF with the 55mm backfocus.
framoro avatar

Hi,

I assume it is for deep sky astrophotography since it is on eq mode.

Considering the camera, the lens and the guiding system if you are using a DSLR you will probably need to have a lighter lens (samyang 135mm). If you want to use a telescope in the range of 60/360 ot 70/420 you may need a lighter camera.

I have tried several setups on an azgti in eq mode. I did not have problems with a Canon 6d with camera lens nor with a TSO photoline 70/420 and ASI2600. Instead, I had stability problems with the 70/420 coupled with the Canon 6d, I guess for exceeding the weight.

CS

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