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Equipment Discussions >> Mounts

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seeker372011
scholastic sledgehammer


Reged: 03/05/04

Loc: Sydney , Australia
IOptron Smart Star A AltAz-EQ mount astroimaging?
      #3622101 - 02/13/10 03:25 AM

I just wonder if anyone has used this (the SmartStar A) for astroimaging ?

http://www.ioptron.com/products_con.aspx?pro=GPS%20TELESCOPES&id=33

- even for widefields with just a DSLR/50mm or upto 300mm lens? seems light, portable and maybe can be a cheaper option to Skymemo or Astrotrac-on top of having goto features ?



Narayan


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Cobalt5120
sage
*****

Reged: 06/24/09

Loc: Bremen, IN (just south of Sout...
Re: IOptron Smart Star A AltAz-EQ mount astroimaging? new [Re: seeker372011]
      #3636490 - 02/20/10 12:54 PM

I'm looking for the same type of product as you are for DSLR photography. Having a wedge built in, it does seem like it meets all the requirements to get some good wide angle time exposed shots.

Anybody have any thoughts as to what the astrotrac will offer that this won't as far as track accuracy?


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Lenardo
sage


Reged: 02/19/09

Loc: Ma
Re: IOptron Smart Star A AltAz-EQ mount astroimaging? new [Re: Cobalt5120]
      #3638844 - 02/21/10 04:36 PM

steve at trapezium made an eq mount for the minitower and it works well so i IMAGINE that provided the equipment is light enough, it'll work fine.

(4 or 5 " reflector "base" or ~80mm refractor with the dslr would be fine.

i know of someone that takes dslr shots with the smartstar(nontilting) in alt/az- its good for sub minute shots


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seeker372011
scholastic sledgehammer


Reged: 03/05/04

Loc: Sydney , Australia
Re: IOptron Smart Star A AltAz-EQ mount astroimaging? new [Re: Cobalt5120]
      #3642041 - 02/23/10 04:55 AM

Quote:

I'm looking for the same type of product as you are for DSLR photography. Having a wedge built in, it does seem like it meets all the requirements to get some good wide angle time exposed shots.

Anybody have any thoughts as to what the astrotrac will offer that this won't as far as track accuracy?




exactly-at mega bucks less than the astrotrac or the skymemo

I am thinking just a DSLR and the kit zoom lens ..but you get go to-and if one could gt say one minute subs-or even 45 sec subs-well you could take 100 images and stack 'em

the astrotrac offers very accurate tracking but for just a DSLR..maybe this is the poor man's alternative

I am so tempted to try...but would love to hear from anyone who already has before I pull the trigger


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seeker372011
scholastic sledgehammer


Reged: 03/05/04

Loc: Sydney , Australia
Re: IOptron Smart Star A AltAz-EQ mount astroimaging? new [Re: Lenardo]
      #3642044 - 02/23/10 04:57 AM

Quote:

steve at trapezium made an eq mount for the minitower and it works well so i IMAGINE that provided the equipment is light enough, it'll work fine.

(4 or 5 " reflector "base" or ~80mm refractor with the dslr would be fine.

i know of someone that takes dslr shots with the smartstar(nontilting) in alt/az- its good for sub minute shots




so hopefully on the wedge one could go say 5 min with a 50 mm lens? I would be happy with that (i Think!)

can you autoguide these things????


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seeker372011
scholastic sledgehammer


Reged: 03/05/04

Loc: Sydney , Australia
Re: IOptron Smart Star A AltAz-EQ mount astroimaging? new [Re: seeker372011]
      #3741996 - 04/13/10 06:29 AM

well I asked IOptron Tech Support at Woburn, MA, and this was the answer

quote

This SmartStar-A mount is a basic GPS altiazi mount with an EQ wedge for
limited equatorial performance. Altazi mount is OK for photograph, but filed
rotation will occur in about a minute. Long time astro-photograph needs a
very good polar alignment and adequate EQ mount. This A mount may give you
limited capability for Astro-photograph.

The autoguiding means guiding a telescope either using a camera with ST-4
port or via computer ASCOM with a USB camera. In your case should be the
later one. The mount will work with PHD and your equipment seems OK for the
payload.
unquote

well its a bit garbled, but it seems to suggest that its not designed for astrophotography ; at the same time says _ I think (!)- that it can be autoguided ..(in answer to my question)

now I am even more confused!

Does anybody actually own this mount???

Edited by seeker372011 (04/13/10 06:31 AM)


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