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Posts Made By: Bob Chester

October 17, 2004 03:07 PM Forum: Equipment Talk

Good wide field refractor for astrophotography.

Posted By Bob Chester

This might be worth a consideration.

http://www.astromart.com/classifieds/details.asp?classified_id=304635

Bob

November 7, 2004 10:51 PM Forum: CCD Imaging and Processing/Solar System

Fire in the Sky

Posted By Bob Chester

With the big Dipper.
5 minutes later, same exposure.
Bob

January 1, 2005 04:28 AM Forum: Equipment Talk

Heaters for a refractor.

Posted By Bob Chester

Check out this page and it's links for some helpful info on building your own heater strips.

http://www.gbronline.com/ronkeating/heaters/nichrome.html

Hope it helps.
Bob

January 2, 2005 08:28 PM Forum: Equipment Talk

Building a Dob

Posted By Bob Chester

Floyd,
Here is a good source for alum. tubes.

http://www.hipco-ne.com/scope.htm

Bob

January 3, 2005 09:23 PM Forum: CCD Imaging and Processing/Solar System

A way cool 3D moon!

Posted By Bob Chester

Way cool indeed!!
Thanks for sharing,
Bob

February 1, 2005 08:42 PM Forum: Film Astrophotography - Imaging and Processing

Focus for film

Posted By Bob Chester

Jay,
You may also check out this site on home-made knife edge focusers.

http://www.astropix.com/HTML/I_ASTROP/I08/I0815/I0815.HTM
( Click the foward and backward arrows of this link for various focusing methods )

I purchased a junk matching camera body from a local camera shop for $10, tore out the shutter and cut a hole in the back and glued on an old .965 diagonal, and now have a poor mans stiletto focuser.

Bob

February 7, 2005 09:38 PM Forum: Equipment Talk

Info on hard-to-obtain shipping boxes

Posted By Bob Chester

I generally make my own boxes. Your local picture framer should have 40x60 sheets of cardboard for sale or empty glass boxes that they just throw away. Plumbers might have empty water heater boxes and Sears might have empty refrigerator boxes that they would be happy to give you.
Bob

February 20, 2005 04:30 PM Forum: Equipment Talk

Casady vs AP saddle

Posted By Bob Chester

Dave,
I have not compared the two saddles but own the AP and can tell you that the Losmandy plates do tip into it also.
Bob

March 1, 2005 10:02 PM Forum: Beginning Astronomy?

Polar Scope ???

Posted By Bob Chester

William,
Here is a link to Vixen's instructions. It is a pdf file and requires Adobe Acrobat reader.

http://www.vixenamerica.com/Pdf/Mounts/VixenNorthAmerica_GP_GPDX_Part_02_Equatorial_PolarScope_Circles.pdf

Hope it helps.
Bob

March 7, 2005 08:46 PM Forum: Birding Optics and Photos

Pelicans on Ice

Posted By Bob Chester

And a pair of eagles.
Bob