From: Terrence Redding <tredding@mac.com>

Date: July 23, 2009 11:27:27 AM MDT

To: Astro_IIDC@yahoogroups.com

Subject: Re: [Astro_IIDC] Just starting

Thank you for the reminder. Would you put the filter on the Powermate 2.5, or before the Powermate?

I am inclined to put it before the Powermate on the nose of the camera.

Terry - W6LMJ

Terrence R. Redding, Ph.D. RTN

How do amateur astronomers learn?

On Jul 23, 2009, at 1:18 PM, Milton Aupperle wrote:

Don't forget to use an IR Filter. Most CCD cameras are IR sensitive and that cause focus issues.

HTH..

Milton Aupperle