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Mike Phillips
Post Laureate
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Reged: 02/21/06

Loc: Swift Creek, NC - 35.682 N, 78...
Astrometry packages
      #5601540 - 01/02/13 04:26 PM

I would love to dig deeper into comets and asteroids with the hope of contributing to the MinorPlanetCenter (MPC). I realize that using astrometry packages is paramount to the process. The list seems dated:

http://www.minorplanetcenter.net/iau/info/Astrometry.html#equip

Are there any other packages available and why no opensource options? I hate to be cheap, but it is really a bummer that I have cough up cash for science!

Mike


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Denimsky
professor emeritus


Reged: 01/21/07

Loc: BC, Canada
Re: Astrometry packages new [Re: Mike Phillips]
      #5601636 - 01/02/13 05:32 PM

So do you need plate solving software?

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Charlie B
scholastic sledgehammer


Reged: 03/22/08

Loc: Sterling, Virginia
Re: Astrometry packages new [Re: Mike Phillips]
      #5601672 - 01/02/13 06:00 PM

Elbrus is free. Look for it in Yahoo Groups.

Charlie B


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Mike Phillips
Post Laureate
*****

Reged: 02/21/06

Loc: Swift Creek, NC - 35.682 N, 78...
Re: Astrometry packages new [Re: Charlie B]
      #5601934 - 01/02/13 08:46 PM

I'm not sure it's a need for plane solving. I seem to be able to find things ok with the GoTo and if need be a quick upload to astrometry.net or even astrobin.com. I think what's needed for MPC submissions are more exacting. They state that you need a software package that supports "least-squares plate-constants (LSPC) solution" I don't know if Elbrus supports this, but it seems that someone using it has an asteroid discovery!?

Thanks,

Mike


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Mike Phillips
Post Laureate
*****

Reged: 02/21/06

Loc: Swift Creek, NC - 35.682 N, 78...
Re: Astrometry packages new [Re: Mike Phillips]
      #5602066 - 01/02/13 10:26 PM

Also there is Iris, which I've used for DSLR and planetary processing, but not Astrometry...

http://www.astrosurf.com/buil/us/iris/astro/astro.htm

Mike


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Charlie B
scholastic sledgehammer


Reged: 03/22/08

Loc: Sterling, Virginia
Re: Astrometry packages new [Re: Mike Phillips]
      #5602470 - 01/03/13 07:55 AM

Quote:

I'm not sure it's a need for plane solving.




Plate solving for at least 3 known stars is the first step in determining the least-squares plate constants. Either Iris or Elbrus should work for you to do this. Once you have the solutions for 3 star positions, a simple excel program can do the least squares fitting to the plate constants.

Regards,

Charlie B


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*skyguy*
Carpal Tunnel
*****

Reged: 12/31/08

Loc: Western New York
Re: Astrometry packages new [Re: Mike Phillips]
      #5602725 - 01/03/13 10:53 AM

Mike,

Try the freeware astrometry program: "Project CLEA Toolkit for Astrometry (Research Version)":

http://www3.gettysburg.edu/~marschal/clea/toolkit.html

I started out in astrometry using this program. It's more than capable of producing the accurate measurements needed for submission to the MPC.

Jim


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Mike Phillips
Post Laureate
*****

Reged: 02/21/06

Loc: Swift Creek, NC - 35.682 N, 78...
Re: Astrometry packages new [Re: *skyguy*]
      #5603214 - 01/03/13 03:19 PM

Thanks all! The CLEA and Elbrus packages look good!

Wish me luck, I'm off hunting!

Mike


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SabiaJD
scholastic sledgehammer


Reged: 02/20/05

Loc: Clarks Summit, PA
Re: Astrometry packages new [Re: Mike Phillips]
      #5603885 - 01/03/13 11:23 PM

The packages Astrometrica (http://www.astrometrica.at/) and MPO Canopus (http://bdwpublishing.com/) are two good software packages,I use both.

Astrometrica would be a good long term investment for than $35 USA dollars.

Very easy to learn and used by many, excellant support.

John D Sabia


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