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Equipment Discussions >> ATM, Optics and DIY Forum

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jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355192 - 09/25/09 01:53 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


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jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355195 - 09/25/09 01:53 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


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jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355196 - 09/25/09 01:54 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


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jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355197 - 09/25/09 01:54 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


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jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355198 - 09/25/09 01:55 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355199 - 09/25/09 01:55 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355201 - 09/25/09 01:55 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355203 - 09/25/09 01:56 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355204 - 09/25/09 01:56 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355208 - 09/25/09 01:58 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355210 - 09/25/09 01:59 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355213 - 09/25/09 02:00 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355214 - 09/25/09 02:00 AM



--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


Post Extras: Print Post   Remind Me!   Notify Moderator  
jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355226 - 09/25/09 02:12 AM

This project received the most outstanding senior research award in physics at LSU in 2008-09.

This project also helped me to decide what I want to be when I grow up. And that is an optical engineer. I applied to go to grad school at The University of Arizona Optical Sciences Center and got in! So I moved to Tucson and I am now 1/3 the way into the semester at the moment. But unfortunately I am 1400 miles away from my refractor and some of the darkest skies I have ever seen are just a short drive away. But I picked up a baby 60mm f/15 refractor to keep me amused at the moment. Can't wait to do some astrophotography here!


Took a trip up to Kitt Peak and was it dark!

Thanks for lookin!

James

--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


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Mike I. JonesModerator
Carpal Tunnel
*****

Reged: 07/02/06
Posts: 1572
Loc: Fort Worth TX
Re: 6" F/15 Refractor Project new [Re: jcham21]
      #3355484 - 09/25/09 08:01 AM

Way to go James!! Who's your graduate advisor? Do you have a thesis or dissertation topic yet? I came within a nanometer of going to U of A myself with Roland Shack as my advisor in 1979, then the offer came in from General Dynamics and I chose that route instead. After 7 years in school the money just sounded too good. In retrospect I wish I'd gone on for the PhD in Optical Sciences - would have been a breeze for me. Glad to see you're taking that path, you will not regret having done it.

Soooo - bring your refractor back with you next trip home!

Keep us informed here,
Mike


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plyscope
sage


Reged: 11/23/06
Posts: 327
Loc: Perth, West Australia
Re: 6" F/15 Refractor Project new [Re: Mike I. Jones]
      #3355558 - 09/25/09 09:06 AM

Thanks for posting more pictures James. Your refractor project is very inspirational. I wish you all the best for your studies and future ATM projects.

--------------------
Andy

6" f15 refractor
90mm f16.7 refractor


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jcham21
sage
*****

Reged: 12/02/07
Posts: 358
Loc: Tucson, Arizona
Re: 6" F/15 Refractor Project new [Re: Mike I. Jones]
      #3357997 - 09/26/09 02:27 PM

Quote:

Way to go James!! Who's your graduate advisor? Do you have a thesis or dissertation topic yet?




My temporary advisor at U of A is Dr. Carl Maes. I also have a fellowship with Space Dynamics Laboratory out of Logan, Utah. My advisor there is Dr. Blake Crowther. I will be interning at SDL during the summers so my master's thesis will most likely be on a project I'm working on there. I am going for my masters so I should be finished with grad school in two years.

Quote:

Thanks for posting more pictures James. Your refractor project is very inspirational. I wish you all the best for your studies and future ATM projects.




Thanks Andy, I will definately be making more telescopes in the future. Hopefully a nice astrograph down the road.

James

--------------------
James
Canon XTi
Canon EF 200mm f/2.8L II Camera Lens
Celestar 8
Main Astrophotography Gallery

Comet Lulin Gallery

How To Make a 6" F/15 Refractor


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johnnyha
Pooh-Bah
*****

Reged: 11/12/06
Posts: 1139
Re: 6" F/15 Refractor Project [Re: jcham21]
      #3358926 - 09/26/09 11:57 PM

I remember this project congrats James, extremely well executed design.

--------------------
Johnny

Spicewood, TX

Sherman Oaks, CA



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