From: Matt Russell (matthewr_at_antispamdomain.not)
Date: Wed Oct 29 2003 - 19:17:05 EST
I'm pretty sure it was because I forgot to remove a skylight filter.
But, I obviously won't be sure until I get out at night again.
They weren't too hard to remove -- just needed to create a lot of
masks.
Matt
--- In digital_astro_.at._yahoogroups.com, "Forrest Egan" <fegan_.at._b...>
wrote:
> Matt,
>
> That's awesome! Shame about the little circles...did you figure
out
> what's causing them?
>
> Forrest
>
> -----Original Message-----
> From: Matt Russell [mailto:matthewr_.at._t...]
> Sent: Wednesday, October 29, 2003 1:29 PM
> To: digital_astro_.at._yahoogroups.com
> Subject: [digital_astro] 8 Image Mosaic of Aurora in Colorado
>
> Hi all,
>
> Now that I got some rest, I thought I'd get a little serious on my
> processing.
>
> Anyways, here's an 8 image mosaic of my observing area here in
> Colorado Springs. The span of this image is over 100 degrees.
>
> Each subframe:
>
> Canon 10D on Tripod
> 30 seconds
> ISO 400
> 35mm Lens
>
> The file is rather large at 290kb, but I think it will be worth the
> wait.
>
> Don't get lost!
>
> http://www.telescopes.cc/images/northernlightsmosaic.jpg
>
> Matt Russell
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