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Equipment Discussions >> Mounts

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Per Frejvall
sage


Reged: 09/28/12

Loc: Saltsjöbaden, Sweden
Re: 10Micron new [Re: Tonk]
      #6019033 - 08/11/13 01:17 PM

OK, you need to upgrade your firmware. Time to bring out the little old computer

Let me know if you need some help with that.

/per


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orion69
scholastic sledgehammer


Reged: 05/09/10

Loc: Croatia
Re: 10Micron new [Re: Per Frejvall]
      #6049683 - 08/27/13 09:12 PM

Several dealers (TS, Baader...) lately changed max. capacity of GM1000HPS from 25kg to 35kg.
Is that official change or something else?


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EFT
Vendor - Deep Space Products
*****

Reged: 05/07/07

Loc: Phoenix, AZ
Re: 10Micron new [Re: orion69]
      #6049839 - 08/27/13 11:00 PM

Quote:

Several dealers (TS, Baader...) lately changed max. capacity of GM1000HPS from 25kg to 35kg.
Is that official change or something else?




I looked on both the TS and Baader sites and saw only 25kg listed for the GM1000HPS so I am not sure where you saw that and am unaware of any change to the GM1000HPS specs at this time.


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orion69
scholastic sledgehammer


Reged: 05/09/10

Loc: Croatia
Re: 10Micron new [Re: EFT]
      #6050116 - 08/28/13 06:38 AM

Here:

TS (click on english flag for english version), interestingly, english version says 35kg but german says 25kg... :
http://www.teleskop-express.de/shop/product_info.php/info/p4789_10-Micron-GM1...
Interestingly,

Baader:
http://baadersites.de/10micron/files/downloads/2012/03/hps-mont-poster-e.pdf


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EFT
Vendor - Deep Space Products
*****

Reged: 05/07/07

Loc: Phoenix, AZ
Re: 10Micron new [Re: orion69]
      #6050380 - 08/28/13 10:13 AM

As far as I know those are mistakes but I will confirm that. I couldn't find those when I went looking.

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EFT
Vendor - Deep Space Products
*****

Reged: 05/07/07

Loc: Phoenix, AZ
Re: 10Micron new [Re: orion69]
      #6055347 - 08/31/13 12:05 AM

There has been no change to the mount specifications so those two pages listing the capacity as 35kg are incorrect.

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orion69
scholastic sledgehammer


Reged: 05/09/10

Loc: Croatia
Re: 10Micron [Re: EFT]
      #6055580 - 08/31/13 06:28 AM

Thx

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TerraPassenger
member


Reged: 12/26/13

Re: 10Micron new [Re: orion69]
      #6299403 - 01/08/14 06:54 AM

I've got a couple of questions for 10 Micron mount owners. (I'm thinking about getting a GM1000HPS) as follows:

1) Are you using 10 Micron's Perseus software? If so, do you like it? If not, what software are you using?

2) Does anyone have experience with the 10 Micron Aries Tripod?


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Per Frejvall
sage


Reged: 09/28/12

Loc: Saltsjöbaden, Sweden
Re: 10Micron new [Re: TerraPassenger]
      #6299453 - 01/08/14 07:43 AM

Hi Passenger!

Question 1...
Nope. Package still unopened. I use MaximDL, Nebulosity 3, FocusMax, ACP and CCD Autopilot. Occasionally I use Cartes du Ciel and Stellarium for planning, usually not connected to the scope (works fine, though).

2
I have the Arcturus tripod. It is extremely steady

/per


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TerraPassenger
member


Reged: 12/26/13

Re: 10Micron new [Re: Per Frejvall]
      #6300551 - 01/08/14 06:09 PM

One more question... The GM1000HPS can be ordered with "polar laser pointer support." What's included if I purchase this? The user manual doesn't cover this option and I can't find any information about it on the Internet.

Thanks.

Dave


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Tonk
Postmaster
*****

Reged: 08/19/04

Loc: Leeds, UK, 54N
Re: 10Micron new [Re: TerraPassenger]
      #6301318 - 01/09/14 04:22 AM

You really don't need a polar laser pointer for the 1000HPS.

The built in polar alignment procedure is based off building a regular multi-star pointing model and does not require a clear view of the Polaris region at all. The procedure is very accurate and reproducable.

My experiments doing multiple polar aligns (from scratch each time as a reproducability test) consistently got me within 15 arc seconds of true pole after 3 iterations of the model-building/polar-aligning routines. This took roughly 20-30 minutes for each go and doing it manually with a astrometric eyepiece (with illumated reticule cross-hairs) centering 12 - 15 nominated stars spread over the visible sky (you can go up to 100 stars in the model - good for permanent setups but takes longer to complete by hand).

If you have the right software (plate solving stuff etc), Per Frejvall has writen a very nice graphical utility that totally automates the pointing model building part (so does all steps bar the necessary alt/az knob adjustments for the polar align step)

I guess if you have a view of Polaris a laser pointer gets the rough(er) alignment started off without hassle. Notably the 1000HPS come with no provision to fit a polar scope.

(as a side note I had a polar scope fitted on my GM-8 but once I got the Gemini controller I had no real use for the Polar scope as the Gemini PAC polar align routine did the job. A rough starting align using a compass was all that was needed - YMMD)

Hope this helps


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Art43
member
*****

Reged: 10/09/07

Re: 10Micron new [Re: Tonk]
      #6302817 - 01/09/14 07:13 PM

Tonk,

By chance do you have images taken with use of your 10 Micron GM 1000 HPS.

Thank you


Art


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EFT
Vendor - Deep Space Products
*****

Reged: 05/07/07

Loc: Phoenix, AZ
Re: 10Micron new [Re: TerraPassenger]
      #6302824 - 01/09/14 07:15 PM

Quote:

One more question... The GM1000HPS can be ordered with "polar laser pointer support." What's included if I purchase this? The user manual doesn't cover this option and I can't find any information about it on the Internet.

Thanks.

Dave







Not strictly necessary, but nice if you already have a GLP.


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Tonk
Postmaster
*****

Reged: 08/19/04

Loc: Leeds, UK, 54N
Re: 10Micron new [Re: EFT]
      #6303513 - 01/10/14 05:02 AM

Quote:

By chance do you have images taken with use of your 10 Micron GM 1000 HPS.




Sure - these samples are on Astrobin. Tracking times were chosen for the targets I was shooting. I.e. fast moving very bright comets like Lovejoy couldn't be pushed to far, while comet Lemmon was so slow moving (and dim) I could use 10 minute subs. All are unguided.

http://astrob.in/full/65740/0/ 4 min subs
http://astrob.in/full/67937/0/ 8 min subs
http://astrob.in/full/67940/0/ 10 min subs
http://astrob.in/full/68315/0/ 5 min subs

The 10 min subs are just starting to show a hint of non-roundness. However I shot that image (and the 8 minute sample) before I discovered the dual-tracking mode that works to reduce the small drift in both RA and DEC I had due to polar mis-align. I need to have another go at 10 minutes to see how dual-tracking faires. The 4 and 5 minutes samples had dual-tracking mode enabled.


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Per Frejvall
sage


Reged: 09/28/12

Loc: Saltsjöbaden, Sweden
Re: 10Micron new [Re: Tonk]
      #6304216 - 01/10/14 01:24 PM

Those shots are excellent, Tonk!
/per


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TerraPassenger
member


Reged: 12/26/13

Re: 10Micron new [Re: Tonk]
      #6304330 - 01/10/14 02:12 PM

Thanks for the responses.

How long does it take to set up the GM1000HPS in the field - at a location you've never been to before - in preparation for astrophotography? If it makes any difference for your answer, I would be using a laptop and would center stars by looking at the laptop display.


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Tonk
Postmaster
*****

Reged: 08/19/04

Loc: Leeds, UK, 54N
Re: 10Micron new [Re: TerraPassenger]
      #6304436 - 01/10/14 03:05 PM

Quote:

How long does it take to set up the GM1000HPS in the field




Per hopefully will help re commenting on his automated software for building pointing models as this speeds things up. However I can help by commenting on the long winded way using an astrometric eyepiece for star centering.

OK as long as you had a solid base for the tripod fixed up I have been able to get fully set up within twilight time - so that 40 to 60 minutes tops. I can actually do this routinely between 20 - 30 minutes now I've had practice. This includes balancing, building a 12 - 15 star model followed with the polar align procedure and repeating this 3 times if needed. The mount estimates the pointing accuracy and polar misalignment off the pointing model. If you get polar alignment within 20" then you are good to go. Turn on dual tracking. Also add a barometer to your kit and enter the barometric pressure and site altitude if your target is below 30 degrees alt to get differential tracking accurate as possible

I will say the setup method is very similar to using a Losmandy mount and Gemini controller and I had 10 years experience with that system - so I was nearly up to speed at the outset - main thing was learning a new handset/menu layout and slightly different function terminology but that wasn't too hard.

My biggest puzzle at first was working out how to sync to a star (just a long hold on the enter key) and where PEC training was (the latter does not exist it has APEC which is totally automatic)

Quote:

Those shots are excellent, Tonk!




Thanks Per - gives me confidence that the mount was worth it


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Art43
member
*****

Reged: 10/09/07

Re: 10Micron new [Re: Tonk]
      #6305309 - 01/11/14 12:41 AM

Thanks for posting the URL's to the images. These have been very helpful as I review mounts. I am considering a new portable mount. With none of the frames guided, I am stunned at the 10 Micron performance.

Mr. Frevjall also had some images I reviewed. There were a different type of object imaged, but with the same round star, beautiful results. There are also small galaxies visible in the Comet LoveJoy image.

I appreciate you taking the time to share some of your images with the mount.

A


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famax
member


Reged: 07/01/07

Re: 10Micron new [Re: Art43]
      #6308041 - 01/12/14 12:22 PM

Just to add my experience from late night about quick polar align.
In juste one pass (3star align +polar correction , about 10minutes job)
i gave me 15" polar misalignement, verified with a PE measurment gave 6" dec drift in almost 50 minutes.
Pretty good....


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GIR
super member


Reged: 01/02/10

Loc: Finland
Re: 10Micron new [Re: famax]
      #6308059 - 01/12/14 12:32 PM

Quote:

Just to add my experience from late night about quick polar align.
In juste one pass (3star align +polar correction , about 10minutes job)
i gave me 15" polar misalignement, verified with a PE measurment gave 6" dec drift in almost 50 minutes.
Pretty good....




How do you know it's 15" (both RA and DE) if you don't verify it with another proper plate solve set ? Just wondering...


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