From: Dale J Martin <dale@massapoag.org>

Date: October 7, 2008 9:27:00 PM MDT

To: Astro_IIDC@yahoogroups.com

Subject: Re: [Astro_IIDC] Heart Nebula


Milton,


The stacking is average and not sum....


Dale



On Oct 7, 2008, at 10:27 PM, Dale J Martin wrote:

- Are you averaging or summing the 60 images when you stack to create the work image?





I'm using Nebulosity for stacking and I believe Craig is summing.